Evolutionary classification of protein domain structures
alpha arraysalpha-helix arrays with mainly perpendicular helices
alpha bundlesalpha-helix bundles with mainly parallel helices
alpha superhelicesrepeating alpha-helix hairpins form a superhelix
alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain
alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix
beta barrelssingle beta-sheet folded upon itself to form a barrel
beta meanderssingle beta-sheet with mainly meander topology
beta sandwichestwo beta-sheets stacked together to form a sandwich




Representatives:
e1k5nA1[A:182-276]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
MAJOR HISTOCOMPATIBILITY COMPLEX MOLECULE HLA-B*2709 ; X-RAY DIFFRACTION 1.09Å
e1k5nB1[B:0-99]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
BETA-2-MICROGLOBULIN, LIGHT CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.09Å
e1mjuH2[H:114-230]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
IMMUNOGLOBULIN MS6-12 ; ligands: GOL ; X-RAY DIFFRACTION 1.22Å
e1mjuL2[L:108-214]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
IMMUNOGLOBULIN MS6-12 ; ligands: GOL ; X-RAY DIFFRACTION 1.22Å
e1ogaE2[E:119-245]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
T-CELL RECEPTOR BETA CHAIN C REGION ; X-RAY DIFFRACTION 1.4Å
e1l6xA1[A:237-341]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION ; X-RAY DIFFRACTION 1.65Å
e1l6xA2[A:342-443]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION ; X-RAY DIFFRACTION 1.65Å
e5y9cH2[H:120-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody A12A3 ; X-RAY DIFFRACTION 3.45Å
e5ty6H2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VRC 315 13-1b02 Fab Heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.36Å
e5wkoA1[A:113-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 27F3 heavy chain ; X-RAY DIFFRACTION 3.50Å
e5wkoC1[C:113-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 27F3 heavy chain ; X-RAY DIFFRACTION 3.50Å
e5wkoE2[E:113-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 27F3 heavy chain ; X-RAY DIFFRACTION 3.50Å
e5wkoG2[G:113-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 27F3 heavy chain ; X-RAY DIFFRACTION 3.50Å
e5wkoI1[I:113-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 27F3 heavy chain ; X-RAY DIFFRACTION 3.50Å
e5wkoK2[K:113-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 27F3 heavy chain ; X-RAY DIFFRACTION 3.50Å
e5y9fL2[L:124-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fP2[P:124-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fR2[R:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fT1[T:124-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fN1[N:124-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fd1[d:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fV2[V:124-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fX1[X:124-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fZ1[Z:124-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e5y9fb2[b:124-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of Fab fragment of antibody 28F10 ; X-RAY DIFFRACTION 3.35Å
e6awnB2[B:139-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8B6 antibody FAB heavy chain ; X-RAY DIFFRACTION 3.62Å
e6awoB1[B:139-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8B6 antibody FAB heavy chain ; X-RAY DIFFRACTION 3.53Å
e6awpB1[B:139-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8B6 antibody FAB heavy chain ; X-RAY DIFFRACTION 3.8Å
e6awqB1[B:139-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8B6 antibody FAB heavy chain ; X-RAY DIFFRACTION 4.05Å
e5opyH2[H:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of LM609 Fab (antigen-binding fragment) ; X-RAY DIFFRACTION 2.26Å
e5wavB2[B:342-445] Image Pymol Jmol Links: PDB, SCOP, CATH
Immunoglobulin gamma-1 heavy chain,Immunoglobulin gamma-1 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.6Å
e5wavA2[A:342-443] Image Pymol Jmol Links: PDB, SCOP, CATH
Immunoglobulin gamma-1 heavy chain,Immunoglobulin gamma-1 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.6Å
e5wawH2[H:116-217] Image Pymol Jmol Links: PDB, SCOP, CATH
fAb Heavy Chain ; ligands: ZN ; X-RAY DIFFRACTION 2.25Å
e6eleA1[A:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH
fAB heavy chain ; ligands: EDO ; X-RAY DIFFRACTION 1.78Å
e6eleH2[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH
fAB heavy chain ; X-RAY DIFFRACTION 1.78Å
e6eljA2[A:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH
fAB heavy chain ; X-RAY DIFFRACTION 1.90Å
e6eljH2[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH
fAB heavy chain ; X-RAY DIFFRACTION 1.90Å
e6ellA2[A:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH
fAB heavy chain ; X-RAY DIFFRACTION 1.90Å
e6ellH2[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH
fAB heavy chain ; X-RAY DIFFRACTION 1.90Å
e6emjA1[A:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH
fAB heavy chain ; X-RAY DIFFRACTION 2.3Å
e6emjH2[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH
fAB heavy chain ; X-RAY DIFFRACTION 2.3Å
e5obfH2[H:114-217] Image Pymol Jmol Links: PDB, SCOP, CATH
fAb Heavy chain ; X-RAY DIFFRACTION 1.91Å
e6b0sH2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1710 antibody, heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.95Å
e6b0wH1[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1710 antibody, heavy chain ; ligands: IPA ; X-RAY DIFFRACTION 1.9Å
e6b0gD1[D:114-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1245 Antibody, Heavy Chain ; ligands: GOL ; X-RAY DIFFRACTION 1.9Å
e6azzF2[F:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1190 antibody, heavy chain ; X-RAY DIFFRACTION 2.4Å
e6azzC2[C:108-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1190 antibody, heavy chain ; ligands: ACT,GOL ; X-RAY DIFFRACTION 2.4Å
e5jrpH1[H:150-244] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
marberg virus monoclonal antibody MR78 Fab heavy chain ; X-RAY DIFFRACTION 2.0Å
e5jqdC1[C:124-223] Image Pymol Jmol Links: PDB, SCOP, CATH
D80 Fab Fragment Heavy Chain ; X-RAY DIFFRACTION 2.59Å
e5jqdD2[D:124-223] Image Pymol Jmol Links: PDB, SCOP, CATH
D80 Fab Fragment Heavy Chain ; X-RAY DIFFRACTION 2.59Å
e5jo4A2[A:124-226] Image Pymol Jmol Links: PDB, SCOP, CATH
D80 Fab Heavy Chain ; X-RAY DIFFRACTION 2.53Å
e5jo4C1[C:118-221] Image Pymol Jmol Links: PDB, SCOP, CATH
G6 Fab Heavy Chain ; X-RAY DIFFRACTION 2.53Å
e5ob5H1[H:120-220] Image Pymol Jmol Links: PDB, SCOP, CATH
fAb Heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.65Å
e6axkA1[A:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab311 heavy chain ; ligands: MES ; X-RAY DIFFRACTION 2.10Å
e6axlD1[D:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab317 heavy chain ; X-RAY DIFFRACTION 2.400Å
e6axlA1[A:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab317 heavy chain ; X-RAY DIFFRACTION 2.400Å
e6b9jH2[H:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab vv138 Heavy chain ; X-RAY DIFFRACTION 2.905Å
e6b9jA2[A:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab vv138 Heavy chain ; X-RAY DIFFRACTION 2.905Å
e6b0aH1[H:126-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1269 antibody, heavy chain ; X-RAY DIFFRACTION 2.5Å
e5u4rH1[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VRC 315 53-1A09 Fab Heavy chain ; X-RAY DIFFRACTION 1.76Å
e5w4lD1[D:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody N12-i3 Fab heavy chain ; X-RAY DIFFRACTION 2.92Å
e6b0eB2[B:114-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1260 antibody, heavy chain ; X-RAY DIFFRACTION 3.30Å
e5w4lH1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody N5-i5 Fab heavy chain ; X-RAY DIFFRACTION 2.92Å
e6b0hD2[D:114-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1262 antibody, heavy chain ; X-RAY DIFFRACTION 2.7Å
e5xkuC2[C:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HNIgGA6 heavy chain ; X-RAY DIFFRACTION 1.78Å
e5nhwH2[H:110-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-human ActRII Bimagrumab Fab heavy-chain ; X-RAY DIFFRACTION 1.780Å
e5xhvH2[H:121-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
S40 heavy chain ; X-RAY DIFFRACTION 3.35Å
e6b08C1[C:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1276 antibody, heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.2Å
e5ukqL1[L:108-209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522.2 Fab fragment light chain ; X-RAY DIFFRACTION 2.1Å
e5molB3[B:225-333] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ig epsilon chain C region ; ligands: EDO ; X-RAY DIFFRACTION 1.75Å
e5wttA1[A:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of 093G9 Fab ; X-RAY DIFFRACTION 2.70Å
e6eluB2[B:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
G10_3 heavy chain ; X-RAY DIFFRACTION 2.3Å
e6au5B1[B:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.48Å
e5xhfB2[B:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
polypeptide (H chain) ; X-RAY DIFFRACTION 3.20Å
e6azmB1[B:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
580 germline antibody, heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.6Å
e6b3sH1[H:122-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Necitumumab Fab Heavy chain ; X-RAY DIFFRACTION 2.795Å
e5ubyH2[H:114-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Heavy chain of Fab fragment of anti-HIV1 gp120 mAb 1A8 ; X-RAY DIFFRACTION 2.60Å
e5w6gH2[H:126-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
6649 antibody heavy chain ; X-RAY DIFFRACTION 2.790Å
e6bdzH1[H:137-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
11G2 Fab Heavy Chain ; X-RAY DIFFRACTION 3.1Å
e6bitI2[I:113-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
KWAR23 Fab heavy chain ; X-RAY DIFFRACTION 2.19Å
e5yslA1[A:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1H1 heavy chain ; X-RAY DIFFRACTION 2.50Å
e5w24H2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
5C4 Fab Heavy Chain ; X-RAY DIFFRACTION 1.500Å
e5v6mH1[H:110-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of Fab fragment of rabbit anti-HIV1 gp120 V3 mAb 10A3 ; X-RAY DIFFRACTION 1.9Å
e5v6lH2[H:114-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of Fab fragment of rabbit anti-HIV1 gp120 V3 mAb 10A37 ; X-RAY DIFFRACTION 2.549Å
e6anpB1[B:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CAT192 Fab Heavy chain ; X-RAY DIFFRACTION 2.4500Å
e5vk6A2[A:119-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody Heavy Chain ; X-RAY DIFFRACTION 2.25Å
e5vagC2[C:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of antibody m826 ; ligands: EDO ; X-RAY DIFFRACTION 1.900Å
e6b3dH2[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PGT128 Fab heavy chain ; ligands: EDO,IPA ; X-RAY DIFFRACTION 2.27Å
e5n2kD1[D:116-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb heavy chain ; X-RAY DIFFRACTION 2.219Å
e5vgaB2[B:122-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 36-65 heavy chain ; ligands: PGE ; X-RAY DIFFRACTION 2.5Å
e6b14H2[H:126-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of Fab BL3-6S97N ; X-RAY DIFFRACTION 1.64Å
e5bk2C2[C:128-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
sAB Heavy Chain ; ligands: CL,GOL,PO4 ; X-RAY DIFFRACTION 2.600Å
e5bjzD1[D:131-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Synthetic antibody, Fab fragment, Heavy Chain ; X-RAY DIFFRACTION 1.950Å
e5bk1H1[H:129-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Synthetic antibody, Fab fragment, Heavy Chain ; X-RAY DIFFRACTION 2.150Å
e6ayzR2[R:118-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab Heavy Chain ; X-RAY DIFFRACTION 2.096Å
e5ueaH1[H:113-214] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab Heavy Chain ; X-RAY DIFFRACTION 1.701Å
e5bk3A2[A:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
580 Antibody, heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.8Å
e5wk2H1[H:122-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M116 HEAVY CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.50Å
e6c6zC1[C:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody CDC2-C2 heavy chain ; X-RAY DIFFRACTION 2.100Å
e6bt3B2[B:123-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V5 Fab Heavy-chain ; ELECTRON MICROSCOPY
e5bk0B2[B:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
663 Antibody, heavy chain ; X-RAY DIFFRACTION 3.15Å
e5wccH2[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VRC 315 02-1F07 Fab Heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.45Å
e5bk5B1[B:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
663 germline antibody, heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 3Å
e5uknH2[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522UCA Fab fragment heavy chain ; ligands: CL ; X-RAY DIFFRACTION 1.75Å
e5ubzH2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH
Anti-HIV1 gp120 mAb 1E12 Fab heavy chain ; X-RAY DIFFRACTION 2.75Å
e6erxF2[F:111-224] Image Pymol Jmol Links: PDB, SCOP, CATH
e5ucbH1[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab Heavy Chain ; X-RAY DIFFRACTION 1.521Å
e6b70C1[C:123-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAB H11-E heavy chain ; ELECTRON MICROSCOPY
e6b7zC2[C:123-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAB H11 heavy chain ; ELECTRON MICROSCOPY
e6andH1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Pinatuzumab Fab Heavy chain ; X-RAY DIFFRACTION 1.75Å
e5uemH1[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
354NC37 Fab Heavy Chain ; X-RAY DIFFRACTION 2.64Å
e5x0tA1[A:136-235] Image Pymol Jmol Links: PDB, SCOP, CATH
6H8 Fab fragment heavy chain ; X-RAY DIFFRACTION 2.50Å
e5vvfH1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
354BG1 Heavy Chain ; X-RAY DIFFRACTION 2.000Å
e5vqmH2[H:120-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PA41 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.79Å
e6aniH2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Coltuximab Fab heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.400Å
e5w6cH2[H:126-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
UCA Fab heavy chain ; X-RAY DIFFRACTION 1.630Å
e6bp2H2[H:127-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MR191 Fab Heavy Chain ; X-RAY DIFFRACTION 3.17Å
e6anaH2[H:113-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
LL2 Fab Heavy Chain ; X-RAY DIFFRACTION 1.7Å
e6au5D1[D:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.48Å
e6axpB2[B:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.48Å
e6axpD2[D:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.48Å
e6aynB1[B:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.48Å
e6aynD1[D:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.48Å
e6azkB1[B:117-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.477Å
e6azkD1[D:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.477Å
e6azlB1[B:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.48Å
e6azlD2[D:117-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
cetuximab Fab heavy chain ; X-RAY DIFFRACTION 2.48Å
e5xhfD2[D:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
polypeptide (H chain) ; X-RAY DIFFRACTION 3.20Å
e5xhgB2[B:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
polypeptide(H) ; ligands: EDO ; X-RAY DIFFRACTION 1.76Å
e5xhgD2[D:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
polypeptide(H) ; ligands: EDO,PEG,SO4 ; X-RAY DIFFRACTION 1.76Å
e5vkeA1[A:119-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody Light Chain ; X-RAY DIFFRACTION 2.37Å
e5vkhA1[A:119-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody Heavy Chain ; X-RAY DIFFRACTION 2.25Å
e6b3kH1[H:126-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of Fab BL3-6 ; ligands: MG ; X-RAY DIFFRACTION 2.09Å
e6az2C1[C:119-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab Heavy Chain ; X-RAY DIFFRACTION 2.477Å
e6az2A2[A:119-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab Heavy Chain ; X-RAY DIFFRACTION 2.477Å
e5u4rA1[A:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VRC 315 53-1A09 Fab Heavy chain ; X-RAY DIFFRACTION 1.76Å
e5w4lB2[B:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody N12-i3 Fab heavy chain ; X-RAY DIFFRACTION 2.92Å
e5w4lF2[F:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody N5-i5 Fab heavy chain ; X-RAY DIFFRACTION 2.92Å
e6b0hB2[B:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1262 antibody, heavy chain ; X-RAY DIFFRACTION 2.7Å
e5xhvP1[P:121-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
S40 heavy chain ; X-RAY DIFFRACTION 3.35Å
e5uknL2[L:108-209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522UCA Fab fragment light chain ; ligands: CL ; X-RAY DIFFRACTION 1.75Å
e5ukoL1[L:108-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522IA Fab fragment light chain ; X-RAY DIFFRACTION 2.3Å
e5ukpL1[L:108-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522.1 Fab fragment light chain ; X-RAY DIFFRACTION 2.0Å
e5ukrL2[L:108-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522.2 Fab fragment light chain ; X-RAY DIFFRACTION 2.7Å
e5molA3[A:228-333] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ig epsilon chain C region ; ligands: EDO,PEG,PG0 ; X-RAY DIFFRACTION 1.75Å
e5wttH2[H:120-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of 093G9 Fab ; X-RAY DIFFRACTION 2.70Å
e6eluE1[E:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
G10_3 heavy chain ; X-RAY DIFFRACTION 2.3Å
e6eluH2[H:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
G10_3 heavy chain ; X-RAY DIFFRACTION 2.3Å
e6eluK1[K:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
G10_3 heavy chain ; X-RAY DIFFRACTION 2.3Å
e6azmD1[D:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
580 germline antibody, heavy chain ; X-RAY DIFFRACTION 1.6Å
e6b3sC2[C:122-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Necitumumab Fab Heavy chain ; X-RAY DIFFRACTION 2.795Å
e6b3sF1[F:122-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Necitumumab Fab Heavy chain ; X-RAY DIFFRACTION 2.795Å
e6b3sJ1[J:122-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Necitumumab Fab Heavy chain ; X-RAY DIFFRACTION 2.795Å
e6bitJ1[J:113-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
KWAR23 Fab heavy chain ; X-RAY DIFFRACTION 2.19Å
e5yslC1[C:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1H1 heavy chain ; X-RAY DIFFRACTION 2.50Å
e5yslE2[E:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1H1 heavy chain ; X-RAY DIFFRACTION 2.50Å
e5yslG1[G:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1H1 heavy chain ; X-RAY DIFFRACTION 2.50Å
e5w23H1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
5C4 Fab heavy chain ; X-RAY DIFFRACTION 3.400Å
e5w23I1[I:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
5C4 Fab heavy chain ; X-RAY DIFFRACTION 3.400Å
e5w23J2[J:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
5C4 Fab heavy chain ; X-RAY DIFFRACTION 3.400Å
e5v6lI2[I:114-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of Fab fragment of rabbit anti-HIV1 gp120 V3 mAb 10A37 ; X-RAY DIFFRACTION 2.549Å
e6amjH1[H:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CAT192 Fab heavy chain ; ligands: NA,PEG ; X-RAY DIFFRACTION 2.49Å
e6amjB2[B:124-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CAT192 Fab heavy chain ; X-RAY DIFFRACTION 2.49Å
e6ammH2[H:124-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CAT192 Fab Heavy chain ; X-RAY DIFFRACTION 2.8000Å
e6anpH1[H:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CAT192 Fab Heavy chain ; X-RAY DIFFRACTION 2.4500Å
e6ao0H2[H:126-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CAT192 Fab Heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.35Å
e5n2kB2[B:116-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb heavy chain ; X-RAY DIFFRACTION 2.219Å
e5n2kF1[F:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb heavy chain ; X-RAY DIFFRACTION 2.219Å
e5n2kH2[H:116-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb heavy chain ; X-RAY DIFFRACTION 2.219Å
e5n2kL1[L:116-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb heavy chain ; X-RAY DIFFRACTION 2.219Å
e5n2kN1[N:116-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb heavy chain ; X-RAY DIFFRACTION 2.219Å
e5n2kP2[P:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb heavy chain ; X-RAY DIFFRACTION 2.219Å
e5n2kJ1[J:116-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb heavy chain ; X-RAY DIFFRACTION 2.219Å
e5njdN1[N:116-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb Heavy chain ; X-RAY DIFFRACTION 3.9Å
e5njdP1[P:116-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb Heavy chain ; X-RAY DIFFRACTION 3.9Å
e5njdR1[R:116-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb Heavy chain ; X-RAY DIFFRACTION 3.9Å
e5njdT1[T:116-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb Heavy chain ; X-RAY DIFFRACTION 3.9Å
e5njdV2[V:116-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb Heavy chain ; X-RAY DIFFRACTION 3.9Å
e5njdX1[X:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Briakinumab FAb Heavy chain ; X-RAY DIFFRACTION 3.9Å
e5bk2H2[H:128-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
sAB Heavy Chain ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 2.600Å
e5bjzC2[C:131-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Synthetic antibody, Fab fragment, Heavy Chain ; X-RAY DIFFRACTION 1.950Å
e5bk1C1[C:129-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Synthetic antibody, Fab fragment, Heavy Chain ; ligands: GOL ; X-RAY DIFFRACTION 2.150Å
e6ayzB2[B:118-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab Heavy Chain ; X-RAY DIFFRACTION 2.096Å
e5ueaA1[A:113-213] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab Heavy Chain ; X-RAY DIFFRACTION 1.701Å
e5bk3H2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
580 Antibody, heavy chain ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.8Å
e5bk3C2[C:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
580 Antibody, heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.8Å
e5bk3E1[E:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
580 Antibody, heavy chain ; X-RAY DIFFRACTION 2.8Å
e5wk3Q1[Q:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M116 HEAVY CHAIN ; X-RAY DIFFRACTION 1.90Å
e5wk3S2[S:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M116 HEAVY CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å
e5wk3U1[U:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M116 HEAVY CHAIN ; X-RAY DIFFRACTION 1.90Å
e5wk3W2[W:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M116 HEAVY CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.90Å
e6c6zH2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody CDC2-C2 heavy chain ; X-RAY DIFFRACTION 2.100Å
e6bt3D2[D:123-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V5 Fab Heavy-chain ; ELECTRON MICROSCOPY
e6bt3F2[F:123-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V5 Fab Heavy-chain ; ELECTRON MICROSCOPY
e6bt3H2[H:123-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
V5 Fab Heavy-chain ; ELECTRON MICROSCOPY
e6azxC2[C:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
663 antibody, heavy chain ; X-RAY DIFFRACTION 2.1Å
e6azxA1[A:114-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
663 antibody, heavy chain ; X-RAY DIFFRACTION 2.1Å
e5bk0D1[D:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
663 Antibody, heavy chain ; X-RAY DIFFRACTION 3.15Å
e5wccA2[A:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VRC 315 02-1F07 Fab Heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.45Å
e5bk5H1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
663 germline antibody, heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 3Å
e5bk5D2[D:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
663 germline antibody, heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 3Å
e5bk5F1[F:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
663 germline antibody, heavy chain ; X-RAY DIFFRACTION 3Å
e5ukoH1[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522IA Fab fragment heavy chain ; X-RAY DIFFRACTION 2.3Å
e5ukpH2[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522.1 Fab fragment heavy chain ; X-RAY DIFFRACTION 2.0Å
e5ukqH2[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522.2 Fab fragment heavy chain ; X-RAY DIFFRACTION 2.1Å
e5ukrH1[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH522.2 Fab fragment heavy chain ; X-RAY DIFFRACTION 2.7Å
e6erxD2[D:111-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Previous Next
e1rzfL2[L:109-210]
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FAB E51 LIGHT CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.7Å
e2h26A1[A:184-279]
nonrep
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T-CELL SURFACE GLYCOPROTEIN CD1B ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å
e1uvqA1[A:85-183]
nonrep
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HLA CLASS II HISTOCOMPATIBILITY ANTIGEN ; ligands: GLY,NAG ; X-RAY DIFFRACTION 1.800Å
e1uvqB1[B:95-191]
nonrep
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HLA CLASS II HISTOCOMPATIBILITY ANTIGEN ; X-RAY DIFFRACTION 1.800Å
e1u58A1[A:145-242]
nonrep
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MHC-I HOMOLOG M144 ; X-RAY DIFFRACTION 1.9Å
e2fbjH2[H:119-220]
nonrep
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IGA-KAPPA J539 FAB (HEAVY CHAIN) ; X-RAY DIFFRACTION 1.95Å
e3fruA1[A:179-269]
nonrep
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NEONATAL FC RECEPTOR ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 2.2Å
e1dn0B2[B:121-225]
nonrep
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IGM-KAPPA COLD AGGLUTININ (HEAVY CHAIN) ; X-RAY DIFFRACTION 2.28Å
e1fp5A1[A:336-438]
nonrep
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IGE HEAVY CHAIN EPSILON-1 ; X-RAY DIFFRACTION 2.3Å
e1fp5A2[A:439-543]
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IGE HEAVY CHAIN EPSILON-1 ; X-RAY DIFFRACTION 2.3Å
e1hdmA1[A:94-196]
nonrep
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PROTEIN (CLASS II HISTOCOMPATIBILITY ANTIGEN, M ALPHA CHAIN) ; X-RAY DIFFRACTION 2.5Å
e1hdmB1[B:88-185]
nonrep
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PROTEIN (CLASS II HISTOCOMPATIBILITY ANTIGEN, M BETA CHAIN) ; X-RAY DIFFRACTION 2.5Å
e3pl6A2[A:83-180]
nonrep
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MHC class II HLA-DQ-alpha chain ; ligands: NAG ; X-RAY DIFFRACTION 2.55Å
e1o0vA1[A:228-330]
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Immunoglobulin heavy chain epsilon-1 ; ligands: SO4 ; X-RAY DIFFRACTION 2.6Å
e1hyrC1[C:181-274]
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MHC CLASS I CHAIN-RELATED PROTEIN A ; X-RAY DIFFRACTION 2.7Å
e1hzhH6[H:114-235]
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IMMUNOGLOBULIN HEAVY CHAIN ; X-RAY DIFFRACTION 2.70Å
e1hzhH7[H:236-359]
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IMMUNOGLOBULIN HEAVY CHAIN ; ligands: BMA,GAL,MAN,NAG ; X-RAY DIFFRACTION 2.70Å
e1hzhH8[H:360-478]
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IMMUNOGLOBULIN HEAVY CHAIN ; X-RAY DIFFRACTION 2.70Å
e3rdtC2[C:83-178]
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H-2 class II histocompatibility antigen, A-B alpha chain ; X-RAY DIFFRACTION 2.70Å
e1hxmA2[A:121-206]
nonrep
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GAMMA-DELTA T-CELL RECEPTOR ; X-RAY DIFFRACTION 3.00Å
e1hxmB2[B:124-230]
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GAMMA-DELTA T-CELL RECEPTOR ; X-RAY DIFFRACTION 3.00Å

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain
beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander
a+b two layersone alpha-helix layer and one beta-sheet layer
a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers
a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers
a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers
a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain
a/b barrelsrepeating beta-alpha units form a barrel
a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers
mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions
few secondary structure elementsstabilized by cofactors or disulfides
extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes