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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
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
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
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
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)
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 domain
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
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
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
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
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
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
Protein domain
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 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
Biomaterials made from silk proteins
crystalline beta-sheet form, Silk II. Most processing is concerned with controlling the conversion between the two, since a higher beta-sheet content produces
Silk_biomaterial
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
Protein family
followed by the central seven-residue beta-strand, which is flanked by two other beta-strands in a small beta-sheet. Endopeptidase Clp Clp protease family
ATP-dependent Clp protease adaptor protein ClpS
ATP-dependent_Clp_protease_adaptor_protein_ClpS
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
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
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
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
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
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
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
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
Enzyme involved in amino acid biosynthesis
whereby six-stranded twisted and parallel beta sheet with loops and alpha helices surrounding the core beta sheet. The Structure of Shikimate dehydrogenase
Shikimate_dehydrogenase
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
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
Protein family
cross-linked by 3 disulfide bridges. Ptu1 contains a beta-sheet region made of 2 antiparallel beta-strands and consists of a compact disulfide-bonded core
Insect_toxin
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
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
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
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
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
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
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
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)
Class of enzymes
Importantly, while all natural ATPases have some beta-sheet structure, the designed "Alternative ATPase" lacks beta sheet structure, demonstrating that this life-essential
ATPase
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
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
Protein family
contains a seven-stranded beta-sheet surrounded by helices on both sides. The second domain contains a five-stranded beta-sheet with two alpha-helices packed
Formate–tetrahydrofolate ligase
Formate–tetrahydrofolate_ligase
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
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
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
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
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 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
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
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
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
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
Protein family
a beta-sandwich of two major twisted antiparallel beta-sheets. The beta-sandwich comprises a major concave beta-sheet and a minor convex beta-sheet, in
L-type_lectin_domain
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
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
Subunit of a protein
one of the common secondary structures found in proteins, along with beta sheet. Fibrinogen Peptide Lesieur, Claire (2014-06-18). Oligomerization of Chemical
Alpha_chain
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
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
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 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 structure classification tool
respectively. Two types of beta sheet structures exist; a beta bridge has symbol B while longer sets of hydrogen bonds and beta bulges have symbol E. T is
DSSP_(algorithm)
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 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
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
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
Type of 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
Protein family
strands. Also present in the structure is a two-stranded anti-parallel beta-sheet, whose strands are connected by a four-residue wing. During interaction
Excisionase
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
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
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)
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
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
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
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
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 family
domain with a beta-beta-alpha-beta-beta topology, where the single alpha-helix is tilted away from the twisted, anti-parallel beta-sheet. The conserved
GYF_domain
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
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
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)
Second brightest star in the southern constellation of Pictor
Beta Pictoris (abbreviated β Pictoris or β Pic) is the second brightest star in the constellation Pictor. It is located 63.4 light-years (19.4 pc) from
Beta_Pictoris
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
Protein family
superfamily, consisting of a single domain with a core four-stranded parallel beta-sheet flanked by alpha-helices. Berger JM, Riley LW, Senaratne RH, Mougous JD
Stf0_sulfotransferase
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
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
Protein family
Proteins in this family are predicted to consist of eight transmembrane beta-sheets and four cell surface-exposed loops. It is thought that Ail directly
Virulence-related outer membrane protein family
Virulence-related_outer_membrane_protein_family
Protein-coding gene in the species Homo sapiens
and is 343 amino acids from the C-terminus. A SWISS-MODEL predicts two beta sheets and three alpha helices contained within the domain. While its exact
DEPDC5
Protein family
proteins in this family shows that they have an alpha/beta fold containing a 7-stranded parallel beta sheet. The subtilisin family is the second largest serine
Subtilase
binding site (p-loop). The modeled structure contains nine helices, one beta sheet, and 10 loops. JHDK is also present in the silkworm, where it also functions
Juvenile_hormone_diol_kinase
These revealed compact molecules composed of five-stranded, antiparallel beta sheet cores and peripheral alpha helices. A histidine-rich motif, previously
Relaxase
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
Protein domain
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
3605-3608 Da. HNTX-I contains a short triple-stranded anti-parallel beta-sheet and four beta-turns. The amino acid residues His28 and Asp26 are needed for the
Hainantoxin
first identified member of the pore forming beta-barrel toxin family. This toxin consists mostly of beta sheets (68%) with only about 10% alpha helices.
Staphylococcus aureus alpha toxin
Staphylococcus_aureus_alpha_toxin
Protein
Monellin has a secondary structure consisting of five beta-strands that form an antiparallel beta-sheet and a 17-residue alpha-helix. In its natural form
Monellin
Intermolecular attraction between a hydrogen donor-and-acceptor pair
bonds involving alternating residues on each participating strand, a beta sheet is formed. Hydrogen bonds also play a part in forming the tertiary structure
Hydrogen_bond
Protein Domain
the vWA domain fold was predicted to be a doubly wound, open, twisted beta-sheet flanked by alpha-helices. 3D structures have been determined for the I-domains
Von Willebrand factor type A domain
Von_Willebrand_factor_type_A_domain
Small motifs in proteins and polypeptides
other protein. In such rings the polypeptide has the conformation of beta sheet or of type II polyproline helix (PPII). A number of glutamines and asparagines
Amide_ring
Anti-apoptotic viral protein
is situated in a solvent-exposed loop that extends from the protein's beta sheet core, thus ensuring good accessibility to the caspase. However, unlike
Early_35_kDa_protein
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BETA SHEET
BETA SHEET
Female
Spanish
 Short form of Spanish Aleta, LETA means "winged." Compare with another form of Leta.
Female
English
Short form of English Beatrix, BEA means "voyager (through life)."Â
Female
Polish
Polish name derived from Latin beatus, BEATA means "blessed."Â
Female
Native American
 Native American Blackfoot name PETA means "golden eagle." Compare with another form of Peta.
Female
Hebrew
(× Ö¶×˜Ö·×¢) Hebrew unisex name NETA means meaning "plant, shrub."
Boy/Male
Scottish Shakespearean
Son of Beth.
Female
Polish
Polish form of Greek Elisabet, ELŻBIETA means "God is my oath."
Biblical
Beth (Hebrew)|house of the sun
Female
English
Short form of English Elizabeth, BET means "God is my oath."Â
Girl/Female
Greek Hebrew English
From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. Famous bearer: Old...
Girl/Female
Indian, Marathi
Our Heart Beat
Boy/Male
Hindu, Indian, Sanskrit
Emperor; Single Beat
Female
German
Short form of German Margarete, META means "pearl."
Female
English
English name derived from the second letter of the Greek alphabet, beta, related to Hebrew bet, BETA means "house."Â
Female
English
Short form of English Elizabeth, BETH means "God is my oath."Â
Female
Hungarian
Hungarian form of Greek Elisabet, ERZSÉBET means "God is my oath."
Boy/Male
Bengali, Hindu, Indian, Sanskrit
Heart Beat
Female
Italian
 Variant spelling of Italian Zita, ZETA means "little girl." Compare with another form of Zeta.
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
Czech and Polish form of German Bertha, BERTA means "bright."
BETA SHEET
BETA SHEET
BETA SHEET
BETA SHEET
BETA SHEET
BETA SHEET
BETA SHEET
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