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Protein structural motif
The beta sheet (β-sheet, also β-pleated sheet) is a common motif of the regular protein secondary structure. Beta sheets consist of beta strands (β-strands)
Beta_sheet
Protein structure
In protein structures, a beta barrel (β barrel) is a beta sheet (β sheet) composed of tandem repeats that twists and coils to form a closed toroidal structure
Beta_barrel
Second letter of the Greek alphabet
islets, which produce insulin; and beta sheet, a common motif in protein secondary structure. The uppercase letter beta is not generally used as a symbol
Beta
Structural motif in proteins above the secondary structure level
adjacent to, but not necessarily geometrically aligned with, each other. The beta sheet is anti-parallel, and alternate strands run in the same directions. The
Supersecondary_structure
Toroid protein structure formed from beta sheets
Together the beta-sheets form a funnel-like active site. Each beta-sheet typically has four anti-parallel β-strands arranged in the beta-zigzag motif
Beta-propeller
Term in biochemistry
and a C-terminus. Many proteins may adopt a beta sheet as part of their secondary structure. In beta sheets, sections of a single polypeptide may run side-by-side
Antiparallel_(biochemistry)
Protein structural motif
(the N-terminus of one sheet is adjacent to the C-terminus of the next), and linked by a short loop of two to five amino acids. Beta hairpins can occur in
Beta_hairpin
Ionizing radiation
clothing or thin metal sheets; the distance is dependent on the particle's energy and the air's density and composition. Beta particles are a type of
Beta_particle
Protein family
common fold. The core of each enzyme is an alpha/beta-sheet (rather than a barrel), containing 8 beta strands connected by 6 alpha helices. The enzymes
Alpha/beta hydrolase superfamily
Alpha/beta_hydrolase_superfamily
Change of a linear protein chain to a 3D structure
of secondary structure are the structures known as alpha helices and beta sheets that fold rapidly because they are stabilized by intramolecular hydrogen
Protein_folding
Fine, lustrous, natural fiber produced by various arthropods
weight. Silk fibroin contains hydrophobic beta sheet blocks, interrupted by small hydrophilic groups. The beta-sheets contribute to the high mechanical strength
Silk
American scientist and activist (1901–1994)
biological molecules, and showed the importance of the alpha helix and beta sheet in protein secondary structure. Pauling's approach combined methods and
Linus_Pauling
Secondary protein structure
Corey in 1951. The hydrogen bonding pattern in an alpha sheet is similar to that of a beta sheet, but the orientation of the carbonyl and amino groups in
Alpha_sheet
Type of biological prediction
a likely helix may still be able to adopt a beta-strand conformation if it is located within a beta-sheet region of the protein and its side chains pack
Protein_structure_prediction
Group of peptides
Amyloid beta (Aβ, Abeta or beta-amyloid) denotes peptides of 36–43 amino acids that are the main component of the amyloid plaques found in the brains
Amyloid_beta
Protein fold
alternating beta strands and alpha helical segments where the beta strands are hydrogen bonded to each other forming an extended beta sheet and the alpha
Rossmann_fold
General three-dimensional form of local segments of proteins
most common secondary structural elements are alpha helices and beta sheets, though beta turns and omega loops occur as well. Secondary structure elements
Protein_secondary_structure
adjacent to the diagonal. Antiparallel beta sheets appear in HB plot as cross-diagonal. Parallel beta sheets appears in the HB plot as parallel to the
Protein_contact_map
Protein found in humans
During the process of seeded nucleation, alpha-synuclein adopts a cross-beta sheet structure characteristic of amyloid fibrils. The human alpha-synuclein
Alpha-synuclein
Type of secondary structure of proteins
steel, including ubiquitin and a potassium channel tetramer. 310 helix Beta sheet Davydov soliton Folding (chemistry) Knobs into holes packing Pi helix
Alpha_helix
in APP processing and degradation. Amyloid beta monomers are soluble and contain short regions of beta sheet and polyproline II helix secondary structures
Biochemistry of Alzheimer's disease
Biochemistry_of_Alzheimer's_disease
A beta bulge can be described as a localized disruption of the regular hydrogen bonding of beta sheet by inserting extra residues into one or both hydrogen
Beta_bulge
Metabolic disease involving abnormal deposited amyloid proteins
proteins aggregate into distinctive fibrillar forms with a beta-sheet structure. The beta-sheet form of amyloid is proteolysis-resistant, meaning it can
Amyloidosis
Family of RNA-binding proteins
superfamilies, and folds. The LSm protein structure is an example of a small beta sheet folded into a short barrel. Individual LSm proteins assemble into a six
LSm
Prediction of protein structures
analyses of the relative frequencies of each amino acid in alpha helices, beta sheets, and turns based on known protein structures solved with X-ray crystallography
Chou–Fasman_method
Dephosphorylation enzyme
Importantly, while all natural ATPases have some beta-sheet structure, the designed "Alternative ATPase" lacks beta sheet structure, demonstrating that this life-essential
ATPase
Group of cytokines
beta and IL-1 receptor antagonist). The crystal structures of IL1A and IL1B have been solved, showing them to share the same 12-stranded beta-sheet structure
Interleukin
Protein family
horseshoe shape with an interior parallel beta sheet and an exterior array of helices. One face of the beta sheet and one side of the helix array are exposed
Leucine-rich_repeat
Protein structural motif
helices. Type II beta turns, on the other hand, often occur in association with beta-sheet as part of beta-links. The four types of beta turn are distinguished
Beta_turn
Protein family
monomer being organised into a six-bladed beta-propeller fold and a small antiparallel two-stranded beta-sheet. The beta-propeller fold is important in fucose
Fungal_fucose-specific_lectin
Class of proteins
region consists of a five-stranded beta-sheet and two alpha helices, whereas the back side is a three-stranded beta-sheet The shoulder part of the N-terminal
Single-stranded binding protein
Single-stranded_binding_protein
consisting of alpha helices), all beta proteins (domains consisting of beta sheets), and mixed alpha helix/beta sheet proteins. While most proteins adopt
List_of_proteins
Artificial protein
beta sheets, β, in its secondary structure. Overall, the structure consists of two alpha helices packed on a five-stranded anti-parallel beta sheet.
Top7
Mammalian protein found in Homo sapiens
embedded within the main body of the protein (specifically the top of beta sheet A). This feature is in common with other serpins such as heparin cofactor
Antithrombin
Stages in development and support of computer software
Public Beta" (Press release). Apple Inc. 2000-09-13. Retrieved 2024-01-28. "Microsoft Windows Vista October Community Technology Preview Fact Sheet" (Press
Software_release_life_cycle
Protein structure
A beta helix is a tandem protein repeat structure formed by the association of parallel beta sheet in a helical pattern with either two or three faces
Beta_helix
Self-stabilizing region of a protein that binds to specific DNA sequences
a single zinc ion and consists of a recognition helix and a 2-strand beta-sheet. In transcription factors these domains are often found in arrays (usually
DNA-binding_domain
Protein family
the alpha1 helix and the beta sheet lying parallel and the hydrophobic faces tightly packed against each other. The beta sheet is composed of two long
Methyl-CpG-binding_domain
Protein family
composed of an alpha helices, beta sheet, and three loops. The C-terminal domain is made of two alpha helices and one beta sheet. Alternatively, CATH divides
Replication terminator Tus family
Replication_terminator_Tus_family
Biological database of proteins
beta proteins [48724] (174): Domains consisting of β-sheets Alpha and beta proteins (a/b) [51349] (147): Mainly parallel beta sheets (beta-alpha-beta
Structural Classification of Proteins database
Structural_Classification_of_Proteins_database
Two opposing antiparallel beta sheets that commonly occur in proteins
in proteins. They are characterized by two opposing antiparallel beta sheets (β-sheets). The number of strands found in such domains may differ from one
Beta-sandwich
Pathogenic type of misfolded protein
fibers in which individual PrP molecules are stacked via intermolecular beta sheets. However, 2-D crystalline arrays have also been reported at lower resolution
Prion
Method of prediction of secondary structure of protein
its analysis. The GOR method analyzes sequences to predict alpha helix, beta sheet, turn, or random coil secondary structure at each position based on 17-amino-acid
GOR_method
Visual representation of allowable protein conformations
DynoPlot in PyMOL wiki Link to Ramachandran Plot Map of alpha-helix and beta-sheet locations Archived 2006-10-11 at the Wayback Machine Link to Ramachandran
Ramachandran_plot
Chemical compound
g., plaques composed of amyloid beta found in the brains of Alzheimer's disease patients). When it binds to beta sheet-rich structures, such as those in
Thioflavin
Protein motif
cyanobacterial proteins. This motif contains a series of beta-strands and turns that form a self-contained beta-sheet. Schwarz EM, Benzer S (September 1997). "Calx
Calx-beta_motif
Protein family
equinatoxin II and sticholysin II both revealed a compact beta-sandwich consisting of ten strands in two sheets flanked on each side by two short alpha-helices
Sea_anemone_cytotoxic_protein
Protein family
it is now instead considered a "beta-protein." Beta-keratins were named due to their composition of stacked beta sheets in the epidermal stratum corneum
Beta-keratin
Protein structural motif
stranded beta sheet, and cystine knot conformation. Inhibitor cystine knot (ICK) is a structural motif with a triple stranded antiparallel beta sheet linked
Cystine_knot
Protein domain
is an alpha/beta domain. This domain only makes a small contribution to the dimer interface. The domain comprises a six-stranded beta sheet of the Rossmann
Ku_(protein)
American biophysicist
return to the same beta-sheet end from which it left. A crossover connection involves the peptide backbone extending out of one beta-sheet and looping around
Jane_S._Richardson
Atomic, molecular, and optical physics
negative if the rotation first decreases. A protein structure such as a beta sheet shows a negative Cotton effect. Cotton–Mouton effect Eliel, Ernest L.;
Cotton_effect
These revealed compact molecules composed of five-stranded, antiparallel beta sheet cores and peripheral alpha helices. A histidine-rich motif, previously
Relaxase
Protein in cow and sheep milk
purely of alpha helices, despite the fact that the native structure is beta sheet. Evolution has probably selected for the helical intermediate to avoid
Β-Lactoglobulin
Protein domain
within the sequence, the WW domain folds into a meandering triple-stranded beta sheet. The identification of the WW domain was facilitated by the analysis of
WW_domain
Topics referred to by the same term
Canadian professional ice hockey player Beta bulge, a localized disruption of the regular hydrogen bonding of a beta sheet British and Commonwealth English term
Bulge
Accumulation of clumps of misfolded or disordered proteins
a protein's secondary structure, such as forming an alpha helix or a beta sheet, and tertiary structure. Interactions between amino acid residues in a
Protein_aggregation
Protein family
PDZ domain by beta sheet augmentation. This means that the beta sheet in the PDZ domain is extended by the addition of a further beta strand from the
PDZ_domain
proteins, and higher contact order belonging to proteins with a high beta-sheet content. Protein structure prediction methods are more accurate in predicting
Contact_order
Protein family
consisting of a long alpha-helix wrapped in a much curved antiparallel beta-sheet. The folding pattern for this structure closely resembles that found in
Haemolymph juvenile hormone-binding protein
Haemolymph_juvenile_hormone-binding_protein
Prion that infects fungal hosts
based on the stacking of the prion domains in an in-register and parallel beta sheet conformation. An important finding by Chernoff, in a collaboration between
Fungal_prion
Superfamily of hydrolytic enzymes
are two components to the NUDIX family: the so-called NUDIX fold of a beta sheet with alpha helices on each side and the NUDIX motif which contains catalytic
Nudix_hydrolase
Topics referred to by the same term
Look up Beta, beta, béta, or bêta in Wiktionary, the free dictionary. Beta (B, β) is the second letter of the Greek alphabet. Beta or BETA may also refer
Beta_(disambiguation)
Peptide used as medication
(April 2004). "Self-association process of a peptide in solution: from beta-sheet filaments to large embedded nanotubes". Biophysical Journal. 86 (4): 2484–501
Peptide_therapeutics
Type of toxic lectin
approximately 50% of the polypeptide arranged into alpha-helices and beta-sheets. The three domains form a pronounced cleft that is the active site of
Ricin
Proposed alternative scenarios related to abiogenesis
submicroscopic polypeptides. An origin-of-life theory based on self-replicating beta-sheet structures has been put forward by Maury in 2009. The theory suggest that
Alternative abiogenesis scenarios
Alternative_abiogenesis_scenarios
Protein family
repair, and recombination. It has a structure of three beta-strands to a single six-stranded beta-sheet to form a protein dimer. DNA-binding protein Single-stranded
Single-strand DNA-binding protein
Single-strand_DNA-binding_protein
Insoluble protein present in silk
complex. The heavy fibroin protein consists of layers of antiparallel beta sheets. Its primary structure mainly consists of the recurrent amino acid sequence
Fibroin
Enzyme
helices and eight beta sheet and is covalently bound to FAD. Domain II comprises five alpha helices surrounded by eight beta sheets. Enzymes that share
Tetrahydrocannabinolic acid synthase
Tetrahydrocannabinolic_acid_synthase
Family of insects
silkworm silk, being made of long, repetitive proteins with an extended beta-sheet structure. The Orthoptera Species File lists two subfamilies: tribe Ametrini
Gryllacrididae
Reflecting only some colours of light
determine the secondary structure of proteins (e.g., alpha helix and beta sheet) and the folding properties of DNA. Magnetic Circular Dichroism (MCD):
Dichroism
Family of GTP-binding proteins
proteins generally possess a GTPase fold, which consists of a six-stranded beta sheet which is flanked by five alpha helices. Rab GTPases regulate many steps
Rab_(G-protein)
Protein used by single-celled organisms
transmembrane alpha helices and an extracellular-facing, two-stranded beta sheet. Bacteriorhodopsin is synthesized as a protein precursor, known as bacterio-opsin
Bacteriorhodopsin
Class of enzymes
seven-stranded beta sheet. The N-terminal domain consists of a Rossman type mononucleotide fold, with a four strand part of the beta sheet surrounded on
Phosphoribosylglycinamide formyltransferase
Phosphoribosylglycinamide_formyltransferase
Class of enzymes
contains five beta strands in a twisted beta sheet bound together by three alpha helicies. The active site is located in between a beta strand and an
Gelatinase
Rare neurodegenerative disease caused by prions
secondary and tertiary structure. The PrPSc isoform is more enriched in beta sheets, while the normal PrPC form is enriched in alpha helices. The differences
Kuru_(disease)
Protein family
alpha/beta domain consisting of a four-stranded beta sheet and three alpha helices with an alpha-beta-alpha-beta-alpha-beta-beta topology. The beta sheet face
CRM_domain
Protein superfamily
in evolution. The PROSITE pattern of this superfamily is located in a beta sheet in the central section of the protein that is conserved across all members
Tumor necrosis factor superfamily
Tumor_necrosis_factor_superfamily
Protein-coding gene in the species Homo sapiens
antiparallel beta-sheet, eight-residues long at its centre, covered by a second layer consisting of two segments of two-stranded antiparallel beta-sheets (beta1-beta4
TGF_beta_receptor_2
Family of proteins involved in anatomical development
interleukin 1-beta. Both families have the same beta trefoil fold consisting of 12-stranded beta-sheet structure, with the beta-sheets are arranged in
Fibroblast_growth_factor
Molecule produced by a living organism
alternates above and below the sheet. Hemoglobin contains only helices, natural silk is formed of beta pleated sheets, and many enzymes have a pattern
Biomolecule
Protein family
The YjeF N-terminal domain is a three-layer alpha-beta-alpha sandwich with a central beta-sheet surrounded by alpha helices. The conservation of the
YjeF N terminal protein domain
YjeF_N_terminal_protein_domain
These novel PAs contain three regions: a hydrophobic tail, a region of beta-sheet-forming amino acids, and a charged peptide epitope designed to allow solubility
Peptide_amphiphile
Marker on immune cells
composed of two beta sheets (strands ABED and A'G'GFCC'C''). Hydrophobic interaction between residues at the interface of these two β-sheets together with
CD8
Protein domain
HTH-containing proteins frequently include an additional alpha helix and beta sheet at the N-terminus of the domain. The BTB domain is primarily a protein-protein
BTB/POZ_domain
Class of enzymes
alpha-helical domain and a smaller beta-alpha-beta domain, containing a mixed parallel and anti-parallel 6-stranded beta sheet. NADP is bound in a cleft in
6-Phosphogluconate dehydrogenase
6-Phosphogluconate_dehydrogenase
Protein-coding gene in the species Homo sapiens
beta-sheet further extended by an antiparallel strand. In addition to the seven long strands of the main pleated sheet, a short parallel beta-sheet (strands
Biliverdin_reductase_B
Fatal neurodegenerative disease of cattle
converted into a beta sheet. The prion induces normally-folded proteins to take on the misfolded phenotype in an exponential cascade. These sheets form small
Bovine spongiform encephalopathy
Bovine_spongiform_encephalopathy
Protein family
structure of flavodoxin is characterized by a five-stranded parallel beta sheet, surrounded by five alpha helices. They have been isolated from prokaryotes
Flavodoxin
Protein family
the core domain at the top of the lever helices; the clamp domain has a beta-sheet structure. ATPase domain (connected to the core domain), which has a classical
MutS-1
Chemical compound
a cationic cyclic decapeptide and has a structure of an anti-parallel beta-sheet. Gramicidin S molecule is amphiphilic, with hydrophobic amino acids (D-Phe
Gramicidin_S
Type of beta barrel protein domain structure
fold or supersecondary structure composed of eight beta strands arranged in two four-stranded sheets. The name of the structure was introduced by Jane
Jelly_roll_fold
Sort of RNA-binding protein in molecular genetics
each provides a beta ribbon and an alpha helix. Together, the beta ribbons of each monomer come together to form an antiparallel beta-sheet which binds to
Repressor
Protein family
about 50 amino acid residues which form a structure of a four stranded beta-sheet "blade". This sequence motif is found in between five and eight tandem
Kelch_motif
Protein-produced toxins that create pores in cell membrane
While all of these toxins feature a head domain and a larger, extended beta-sheet tail domain, in the Toxin_10 family, the head is formed exclusively from
Pore-forming_toxin
Extracellular deposits of the amyloid beta protein
prion paradigm, certain proteins misfold into shapes that are rich in beta-sheet secondary structure. Abundant Aβ plaques, along with neurofibrillary tangles
Amyloid_plaques
Protein family
of two antiparallel beta-sheets, first a double-stranded one, that is linked by a disulfide bond to a triple-stranded beta-sheet. The second conserved
Fibronectin_type_I_domain
Group of endogenous cysteine proteinase inhibitors
tertiary structure of an alpha helix lying on top of an anti-parallel beta sheet. The family is subdivided as described below. Cystatins show similarity
Cystatin
Structural fibrous protein
and claws of birds. These keratins are formed primarily in beta sheets. However, beta sheets are also found in α-keratins. Recent scholarship has shown
Keratin
Protein domain
ribonuclease H fold consisting of two beta sheets and one alpha helix, arranged as a beta-alpha-beta motif. Each beta sheet has five strands, arranged in a
Ydc2_protein_domain
BETA SHEET
BETA SHEET
Biblical
Beth (Hebrew)|house of the sun
Female
English
Short form of English Elizabeth, BETH means "God is my oath."Â
Female
English
Short form of English Elizabeth, BET means "God is my oath."Â
Female
Spanish
 Short form of Spanish Aleta, LETA means "winged." Compare with another form of Leta.
Boy/Male
Hindu, Indian, Sanskrit
Emperor; Single Beat
Female
English
Czech and Polish form of German Bertha, BERTA means "bright."
Female
Native American
 Native American Blackfoot name PETA means "golden eagle." Compare with another form of Peta.
Female
Polish
Polish name derived from Latin beatus, BEATA means "blessed."Â
Female
English
English name derived from the second letter of the Greek alphabet, beta, related to Hebrew bet, BETA means "house."Â
Boy/Male
Bengali, Hindu, Indian, Sanskrit
Heart Beat
Male
Hebrew
(בֶּלַע) Hebrew name BELA means "destruction." In the bible, this is the name of several characters, including a king of Edom.
Female
English
Short form of English Beatrix, BEA means "voyager (through life)."Â
Female
Hebrew
(× Ö¶×˜Ö·×¢) Hebrew unisex name NETA means meaning "plant, shrub."
Female
German
Short form of German Margarete, META means "pearl."
Female
Hungarian
Hungarian form of Greek Elisabet, ERZSÉBET means "God is my oath."
Female
Italian
 Variant spelling of Italian Zita, ZETA means "little girl." Compare with another form of Zeta.
Boy/Male
Scottish Shakespearean
Son of Beth.
Female
Polish
Polish form of Greek Elisabet, ELŻBIETA means "God is my oath."
Girl/Female
Indian, Marathi
Our Heart Beat
Girl/Female
Greek Hebrew English
From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. Famous bearer: Old...
BETA SHEET
BETA SHEET
Girl/Female
British, English, French, German, Greek
Woman from Magdala; Of Magdala; From the High Tower
Boy/Male
Muslim
Jurist, Scholar of religious laws, Wise, Scholar in fight (Islam)
Boy/Male
American, Australian, British, Chinese, Christian, Danish, Dutch, English, French, German, Latin
Crowned with Laurels; Form of Lawrence; Laurel-crowned; From Laurentium
Boy/Male
Muslim
Wise. Intellectual.
Boy/Male
Arabic
Worship
Girl/Female
Gujarati, Hindu, Indian
Full of Devotional
Girl/Female
Australian, French
Child-like
Girl/Female
Indian, Rajasthani
Great; Powerful; Awesome
Girl/Female
Hindu
Bee
Male
German
Contracted form of Old High German Berahthraben, BERHTRAM means "bright raven."
BETA SHEET
BETA SHEET
BETA SHEET
BETA SHEET
BETA SHEET
v. i.
To make a sound when struck; as, the drums beat.
v. t.
To beat thoroughly or severely.
v. i.
To make a succession of strokes on a drum; as, the drummers beat to call soldiers to their quarters.
v. t.
To give the signal for, by beat of drum; to sound by beat of drum; as, to beat an alarm, a charge, a parley, a retreat; to beat the general, the reveille, the tattoo. See Alarm, Charge, Parley, etc.
imp.
of Beat
v. t.
To beat severely.
v. t.
That on which bets are laid; the subject of a bet.
v. t.
To strike repeatedly; to lay repeated blows upon; as, to beat one's breast; to beat iron so as to shape it; to beat grain, in order to force out the seeds; to beat eggs and sugar; to beat a drum.
n.
The rise or fall of the hand or foot, marking the divisions of time; a division of the measure so marked. In the rhythm of music the beat is the unit.
p. p.
of Beat
n.
A sudden swelling or reenforcement of a sound, recurring at regular intervals, and produced by the interference of sound waves of slightly different periods of vibrations; applied also, by analogy, to other kinds of wave motions; the pulsation or throbbing produced by the vibrating together of two tones not quite in unison. See Beat, v. i., 8.
imp. & p. p.
of Bet
pl.
of Seta
v. t.
To beat.
v. i.
A round or course which is frequently gone over; as, a watchman's beat.
n.
The common beet (Beta vulgaris).
n.
A recurring stroke; a throb; a pulsation; as, a beat of the heart; the beat of the pulse.
v. i.
A cheat or swindler of the lowest grade; -- often emphasized by dead; as, a dead beat.