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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


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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

X: Immunoglobulin-like beta-sandwich
H: Immunoglobulin-related
T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like
F: V-set

PF07686 CL0159

Representatives:

e1mjuH1[H:1-113] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IMMUNOGLOBULIN MS6-12 ; ligands: GOL ; X-RAY DIFFRACTION 1.22Å

e1mjuL1[L:1-107] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IMMUNOGLOBULIN MS6-12 ; ligands: GOL ; X-RAY DIFFRACTION 1.22Å

e1eajA1[A:16-139] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COXSACKIE VIRUS AND ADENOVIRUS RECEPTOR ; ligands: SO4 ; X-RAY DIFFRACTION 1.350Å

e2p49B1[B:1-121] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ANTIBODY CAB-RN05 ; X-RAY DIFFRACTION 1.38Å

e7r4rD1[D:1-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Camel-derived nanobody 1.10 ; ELECTRON MICROSCOPY

e7v0vA1[A:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Anti-GFP Nanobody ; SOLUTION NMR

e7xxlA2[A:1-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab14 heavy chain ; ELECTRON MICROSCOPY

e7x7dC1[C:1-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nb22 ; X-RAY DIFFRACTION 2.9Å

e7x7dB1[B:1-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nb22 ; X-RAY DIFFRACTION 2.9Å

e7x7dF1[F:1-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nb22 ; X-RAY DIFFRACTION 2.9Å

e7x7eA1[A:1-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nb22 ; X-RAY DIFFRACTION 2.67Å

e7x7eE1[E:1-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nb22 ; X-RAY DIFFRACTION 2.67Å

e7x7eB1[B:1-130] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nb22 ; X-RAY DIFFRACTION 2.67Å

e7zfbM1[M:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nanobody C1 ; X-RAY DIFFRACTION 3.08Å

e7zfbN1[N:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nanobody C1 ; X-RAY DIFFRACTION 3.08Å

e7zfcM1[M:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nanobody C1 ; X-RAY DIFFRACTION 3.24Å

e7zfeZ1[Z:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nanobody C1 ; X-RAY DIFFRACTION 3.25Å

e7zfeX1[X:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nanobody C1 ; X-RAY DIFFRACTION 3.25Å

e7zfeW1[W:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nanobody C1 ; X-RAY DIFFRACTION 3.25Å

e7zfeY1[Y:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nanobody C1 ; X-RAY DIFFRACTION 3.25Å

e7zxuA1[A:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Nanobody C1 ; ligands: GOL,IPA ; X-RAY DIFFRACTION 1.89Å

e7voaA1[A:1-128] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

alpaca nanobody ; X-RAY DIFFRACTION 1.800Å

e7n9uD1[D:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody ; X-RAY DIFFRACTION 3.45Å

e7n9uE1[E:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody ; X-RAY DIFFRACTION 3.45Å

e7n9uF1[F:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody ; X-RAY DIFFRACTION 3.45Å

e7n9vJ1[J:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody-GYAR ; X-RAY DIFFRACTION 3.45Å

e7n9vB1[B:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody-GYAR ; X-RAY DIFFRACTION 3.45Å

e7n9vE1[E:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody-GYAR ; X-RAY DIFFRACTION 3.45Å

e7n9vF1[F:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody-GYAR ; X-RAY DIFFRACTION 3.45Å

e7n9vH1[H:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody-GYAR ; X-RAY DIFFRACTION 3.45Å

e7n9vL1[L:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody-GYAR ; X-RAY DIFFRACTION 3.45Å

e7n9xFFF1[FFF:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody ; X-RAY DIFFRACTION 3.500Å

e7n9xEEE1[EEE:1-111] Image Pymol Jmol Links: PDB, SCOP, CATH

Nanobody ; X-RAY DIFFRACTION 3.500Å

e7te1C2[C:4-121] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ab17 heavy chain ; X-RAY DIFFRACTION 3.5Å

e8a1eB1[B:2-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab 1112-1 heavy chain variable domain ; ELECTRON MICROSCOPY

e7v5nF2[F:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

bevacizumab fab heavy chain ; ligands: EDO,IMD ; X-RAY DIFFRACTION 1.7Å

e7whiD1[D:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bn03_nano1 ; ELECTRON MICROSCOPY

e7whiE1[E:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bn03_nano1 ; ELECTRON MICROSCOPY

e7whiF1[F:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bn03_nano1 ; ELECTRON MICROSCOPY

e7whjD1[D:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bn03_nano1 ; ligands: NAG ; ELECTRON MICROSCOPY

e7whjE1[E:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bn03_nano1 ; ELECTRON MICROSCOPY

e7whkE1[E:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bn03_nano1 ; ligands: NAG ; ELECTRON MICROSCOPY

e7whkF1[F:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bn03_nano1 ; ELECTRON MICROSCOPY

e7whkG1[G:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bn03_nano1 ; ELECTRON MICROSCOPY

e8di5H1[H:3-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VH F6 ; ELECTRON MICROSCOPY

e7u0yH1[H:4-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab BL3-6 heavy chain ; X-RAY DIFFRACTION 2.66Å

e8dlxH1[H:1-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VH ab6 ; ligands: NAG ; ELECTRON MICROSCOPY

e8dlyH1[H:1-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VH ab6 ; ELECTRON MICROSCOPY

e8dlzH1[H:1-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VH ab6 ; ligands: NAG ; ELECTRON MICROSCOPY

e8dm0H1[H:1-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VH ab6 ; ELECTRON MICROSCOPY

e8djkH1[H:20-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab 15B2 Heavy Chain ; ELECTRON MICROSCOPY

e8djmH1[H:20-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab 15B2 Heavy Chain ; ELECTRON MICROSCOPY

e7x7tH1[H:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

X10 heavy chain ; ELECTRON MICROSCOPY

e7x7uH1[H:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

X10 heavy chain ; ELECTRON MICROSCOPY

e7x7vH1[H:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

X10 heavy chain ; ELECTRON MICROSCOPY

e7mhxA1[A:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; X-RAY DIFFRACTION 2.85Å

e7srsQ1[Q:1-127] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Anti-5HT2BR Fab heavy chain ; ELECTRON MICROSCOPY

e7uslH1[H:3-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

M1F5 fab heavy chain ; ELECTRON MICROSCOPY

e7fjsH2[H:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T6 heavy chain ; X-RAY DIFFRACTION 2.900Å

e7fjsC1[C:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T6 heavy chain ; X-RAY DIFFRACTION 2.900Å

e7v61H1[H:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3E8 ; ELECTRON MICROSCOPY

e7v61I2[I:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3E8 ; ELECTRON MICROSCOPY

e7sgmH1[H:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5c8* Fab heavy chain ; ligands: PEG ; X-RAY DIFFRACTION 2.000Å

e7sgmK2[K:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5c8* Fab heavy chain ; ligands: PEG ; X-RAY DIFFRACTION 2.000Å

e7sgmX1[X:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5c8* Fab heavy chain ; ligands: PEG ; X-RAY DIFFRACTION 2.000Å

e7ew5B1[B:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5E1[E:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5H1[H:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5K2[K:1-120] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5N1[N:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5g1[g:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5Q2[Q:1-120] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5T1[T:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5W2[W:1-120] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7ew5Z1[Z:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH

Heavy chain of 13H5 ; X-RAY DIFFRACTION 3.60Å

e7u09H1[H:1-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heavy chain Fab C13B8 ; X-RAY DIFFRACTION 2.1Å

e8cw9C1[C:2-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ADI-61026 heavy ; ligands: NAG ; ELECTRON MICROSCOPY

e8cw9H1[H:2-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ADI-61026 heavy ; ligands: NAG ; ELECTRON MICROSCOPY

e8cw9I1[I:2-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ADI-61026 heavy ; ligands: NAG ; ELECTRON MICROSCOPY

e8dlrH1[H:21-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab 4-8 heavy chain ; ELECTRON MICROSCOPY

e7tcqH2[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Anti-SARS-CoV-2 antibody WS6 Fab heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.02Å

e7tcqA1[A:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Anti-SARS-CoV-2 antibody WS6 Fab heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.02Å

e7fahH1[H:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH

heavy chain of antibody 12H5 ; ligands: MES ; X-RAY DIFFRACTION 3.15Å

e7fahC1[C:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH

heavy chain of antibody 12H5 ; ligands: MES ; X-RAY DIFFRACTION 3.15Å

e7ue9H1[H:1-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.75Å

e7q4qB2[B:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Magacizumab heavy chain ; X-RAY DIFFRACTION 1.65Å

e7q4qD1[D:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Magacizumab heavy chain ; X-RAY DIFFRACTION 1.65Å

e7x7tA1[A:1-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

X17 heavy chain ; ELECTRON MICROSCOPY

e7x7uA1[A:1-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

X17 heavy chain ; ELECTRON MICROSCOPY

e7x7vA1[A:1-119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

X17 heavy chain ; ELECTRON MICROSCOPY

e7t9nH1[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

M22 Fab heavy chain ; ELECTRON MICROSCOPY

e7tn0C1[C:1-127] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

S309 heavy chain ; ligands: CL,NAG ; X-RAY DIFFRACTION 2.85Å

e7n8qH1[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Rhesusized DH677.3 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.9Å

e7n8qC1[C:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Rhesusized DH677.3 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.9Å

e8df5A1[A:1-127] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

S309 Fab Heavy Chain ; ligands: CL,NAG ; X-RAY DIFFRACTION 2.7Å

e8df5C2[C:1-127] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

S309 Fab Heavy Chain ; ligands: CL,NAG ; X-RAY DIFFRACTION 2.7Å

e7qtiF1[F:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

P5C3 Heavy Chain ; ELECTRON MICROSCOPY

e7qtjF1[F:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

P5C3 Heavy Chain ; ELECTRON MICROSCOPY

e7unbH2[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RUPA-47 Fab heavy chain ; X-RAY DIFFRACTION 2.18Å

e7upwD2[D:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH

SP1-77 Fab heavy chain ; ELECTRON MICROSCOPY

e7upwF1[F:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH

SP1-77 Fab heavy chain ; ELECTRON MICROSCOPY

e7upwH2[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH

SP1-77 Fab heavy chain ; ELECTRON MICROSCOPY

e7upxH1[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH

SP1-77 Fab heavy chain ; ELECTRON MICROSCOPY

e7upyH2[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SP1-77 Fab heavy chain ; ELECTRON MICROSCOPY

e7upyD1[D:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SP1-77 Fab heavy chain ; ELECTRON MICROSCOPY

e7upyF2[F:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SP1-77 Fab heavy chain ; ELECTRON MICROSCOPY

e7x1mA2[A:1-127] Image Pymol Jmol Links: PDB, SCOP, CATH

S309 Fab heavy chain ; ELECTRON MICROSCOPY

e7xckA1[A:1-127] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

S309 heavy chain ; ELECTRON MICROSCOPY

e7xcoH1[H:1-127] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

S309 Fab heavy chain ; ligands: NAG ; ELECTRON MICROSCOPY

e7xcoM1[M:1-127] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

S309 Fab heavy chain ; ligands: NAG ; ELECTRON MICROSCOPY

e7xcoO2[O:1-127] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

S309 Fab heavy chain ; ELECTRON MICROSCOPY

e7tugH1[H:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PaSta2 Fab heavy chain ; X-RAY DIFFRACTION 3.90Å

e7tuhH2[H:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PaSta2 Fab heavy chain ; X-RAY DIFFRACTION 2.30Å

e7tuhA1[A:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PaSta2 Fab heavy chain ; X-RAY DIFFRACTION 2.30Å

e7st8H1[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

7H2.2 Fab Heavy Chain ; X-RAY DIFFRACTION 2.750Å

e7mxdJ1[J:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3BNC117 antibody heavy chain ; ELECTRON MICROSCOPY

e7mxdS2[S:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3BNC117 antibody heavy chain ; ligands: NAG ; ELECTRON MICROSCOPY

e7n28C2[C:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3BNC117 antibody heavy chain ; ELECTRON MICROSCOPY

e7n28J1[J:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3BNC117 antibody heavy chain ; ELECTRON MICROSCOPY

e7n28S1[S:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3BNC117 antibody heavy chain ; ligands: MAN ; ELECTRON MICROSCOPY

e7eycH1[H:1-110] Image Pymol Jmol Links: PDB, SCOP, CATH

antibody, Heavy chain ; X-RAY DIFFRACTION 2.489Å

e7eycA1[A:1-110] Image Pymol Jmol Links: PDB, SCOP, CATH

antibody, Heavy chain ; X-RAY DIFFRACTION 2.489Å

e7whzC1[C:1-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XMA01 heavy chain variable domain ; ELECTRON MICROSCOPY

e7wi0C1[C:1-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XMA01 heavy chain variable domain ; ELECTRON MICROSCOPY

e8dccH2[H:1-127] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

P2B-2F6 Fab heavy chain ; X-RAY DIFFRACTION 2.57Å

e7mw5D1[D:21-133] Image Pymol Jmol Links: PDB, SCOP, CATH

Fab of antibody clone 2, heavy chain ; ELECTRON MICROSCOPY

e7bh8G2[G:1-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3H4 Fab heavy chain ; ligands: CA,GOL ; X-RAY DIFFRACTION 1.8Å

e7bh8E2[E:1-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3H4 Fab heavy chain ; X-RAY DIFFRACTION 1.8Å

e7mw5F2[F:21-131] Image Pymol Jmol Links: PDB, SCOP, CATH

Fab of antibody clone 2, heavy chain ; ELECTRON MICROSCOPY

e7mw6D1[D:21-131] Image Pymol Jmol Links: PDB, SCOP, CATH

Fab of antibody clone 2, heavy chain ; ELECTRON MICROSCOPY

e7mw6H2[H:21-131] Image Pymol Jmol Links: PDB, SCOP, CATH

Fab of antibody clone 2, heavy chain ; ELECTRON MICROSCOPY

e7mw6F2[F:21-131] Image Pymol Jmol Links: PDB, SCOP, CATH

Fab of antibody clone 2, heavy chain ; ELECTRON MICROSCOPY

e7wueE2[E:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

m31A7 Fab HEAVY CHAIN ; X-RAY DIFFRACTION 3.200Å

e7wuhH2[H:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

m31A7 Fab heavy chain ; ELECTRON MICROSCOPY

e7wuhK2[K:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

m31A7 Fab heavy chain ; ligands: NAG ; ELECTRON MICROSCOPY

e7re7H1[H:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; ligands: EPE,GOL,PG4 ; X-RAY DIFFRACTION 2.54Å

e7re9H2[H:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; ligands: PEG ; X-RAY DIFFRACTION 2.77Å

e7re9A1[A:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; ligands: PEG ; X-RAY DIFFRACTION 2.77Å

e7n28X1[X:1-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

J033 antibody heavy chain ; ligands: MAN,NAG ; ELECTRON MICROSCOPY

e7s8hB2[B:2-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

36.1F Fab Heavy Chain ; X-RAY DIFFRACTION 2.700Å

e7zfaE2[E:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-6 heavy chain ; X-RAY DIFFRACTION 4.24Å

e7zfaM1[M:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-6 heavy chain ; X-RAY DIFFRACTION 4.24Å

e7zfaJ1[J:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-6 heavy chain ; X-RAY DIFFRACTION 4.24Å

e7zfaH1[H:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-6 heavy chain ; X-RAY DIFFRACTION 4.24Å

e7u0kH1[H:2-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IOMA Class antibody ACS124 Heavy chain ; ligands: NHE ; X-RAY DIFFRACTION 1.73Å

e7urfO1[O:21-137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

3H02 heavy chain ; ELECTRON MICROSCOPY

e7yhkF1[F:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH

12H5 light chain ; ligands: NAG ; ELECTRON MICROSCOPY

e7re7I1[I:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; ligands: EPE,GOL ; X-RAY DIFFRACTION 2.54Å

e7tn0M2[M:1-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

S304 Fab heavy chain ; ligands: EDO ; X-RAY DIFFRACTION 2.85Å

e8df5H1[H:1-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

S304 Fab Heavy Chain ; ligands: CL ; X-RAY DIFFRACTION 2.7Å

e8df5M2[M:1-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

S304 Fab Heavy Chain ; ligands: EDO ; X-RAY DIFFRACTION 2.7Å

e7uarH1[H:2-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C1717 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7uarD1[D:2-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C1717 Fab Heavy Chain ; ligands: NAG ; ELECTRON MICROSCOPY

e7uarF1[F:2-120] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C1717 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7ru3H1[H:1-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CC6.33 IgG heavy chain Fv ; ELECTRON MICROSCOPY

e7ru3E1[E:1-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CC6.33 IgG heavy chain Fv ; ELECTRON MICROSCOPY

e7ru4H1[H:1-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CC6.33 IgG heavy chain Fv ; ELECTRON MICROSCOPY

e7scoH1[H:508-626] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

310-39G10 Fab, Heavy Chain ; ELECTRON MICROSCOPY

e7scoE1[E:508-626] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

310-39G10 Fab, Heavy Chain ; ELECTRON MICROSCOPY

e7scoJ1[J:508-626] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

310-39G10 Fab, Heavy Chain ; ELECTRON MICROSCOPY

e7yadA1[A:1-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

S309 neutralizing antibody heavy chain ; ELECTRON MICROSCOPY

e7yadC1[C:1-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

S309 neutralizing antibody heavy chain ; ELECTRON MICROSCOPY

e7t9mH2[H:1-121] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CS-17 Heavy Chain ; ELECTRON MICROSCOPY

e8dt3H1[H:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heavy chain Fab of SW186 ; ELECTRON MICROSCOPY

e7v3qB2[B:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH

Fab 16A Heavy Chain ; X-RAY DIFFRACTION 2.98Å

e7v3qD1[D:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

Fab 16A Heavy Chain ; X-RAY DIFFRACTION 2.98Å

e7v4wB1[B:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

16A Fab Heavy chain ; X-RAY DIFFRACTION 2.10Å

e7v64B1[B:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH

16A fab Heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 1.56Å

e7v7kB2[B:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

16A fab heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 2.20Å

e7v8qB1[B:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH

14A fab heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 3.20Å

e7v8qD2[D:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH

14A fab heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 3.20Å

e7v8qF2[F:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

14A fab heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 3.20Å

e7vacD2[D:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH

14A fab heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 3.50Å

e7vacF1[F:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

14A fab heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 3.50Å

e7vazD1[D:1-117] Image Pymol Jmol Links: PDB, SCOP, CATH

14A fab heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 2.73Å

e7vazB2[B:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

14A fab heavy chain ; X-RAY DIFFRACTION 2.73Å

e7vacB2[B:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

14A fab heavy chain ; ligands: NGA ; X-RAY DIFFRACTION 3.50Å

e7wpeU2[U:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

JMB2002 Fab heavy chain ; ELECTRON MICROSCOPY

e7wpfR2[R:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

JMB2002 Fab heavy chain ; ELECTRON MICROSCOPY

e7wpfU1[U:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

JMB2002 Fab heavy chain ; ELECTRON MICROSCOPY

e7wpfX2[X:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

JMB2002 Fab heavy chain ; ELECTRON MICROSCOPY

e7xodX2[X:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heavy chain of JMB2002 Fab ; ELECTRON MICROSCOPY

e7xodU1[U:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heavy chain of JMB2002 Fab ; ELECTRON MICROSCOPY

e7xodR1[R:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heavy chain of JMB2002 Fab ; ELECTRON MICROSCOPY

e7so7X1[X:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab B1 HC ; X-RAY DIFFRACTION 3.59Å

e7so7H2[H:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab B1 HC ; X-RAY DIFFRACTION 3.59Å

e7whzH1[H:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XMA09 heavy chain variable domain ; ELECTRON MICROSCOPY

e7wi0H1[H:1-123] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XMA09 heavy chain variable domain ; ELECTRON MICROSCOPY

e7thtH1[H:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DH1042 heavy chain ; ELECTRON MICROSCOPY

e7thta1[a:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DH1042 heavy chain ; ELECTRON MICROSCOPY

e7thtd1[d:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DH1042 heavy chain ; ELECTRON MICROSCOPY

e7wrvU1[U:1-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

JMB2002 Fab heavy chain ; ELECTRON MICROSCOPY

e7zr8H1[H:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-38 fab heavy chain ; ELECTRON MICROSCOPY

e7zr9H1[H:1-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-2 Fab heavy chain ; ELECTRON MICROSCOPY

e7zr9D1[D:1-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-2 Fab heavy chain ; ELECTRON MICROSCOPY

e7zr9F1[F:1-131] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-2 Fab heavy chain ; ELECTRON MICROSCOPY

e7zrcH1[H:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-38 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7zrcF1[F:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-38 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7zrcJ1[J:1-118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Omi-38 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7ru5H1[H:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CC6.30 Fab heavy chain Fv ; ELECTRON MICROSCOPY

e7ru5D1[D:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CC6.30 Fab heavy chain Fv ; ELECTRON MICROSCOPY

e7ru8H1[H:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CC6.30 Fab heavy chain Fv ; ELECTRON MICROSCOPY

e7scnH1[H:508-625] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

310-63E6 Fab, Heavy Chain ; ELECTRON MICROSCOPY

e7scnE1[E:508-625] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

310-63E6 Fab, Heavy Chain ; ELECTRON MICROSCOPY

Previous Next

e1ogaD1[D:3-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-CELL RECEPTOR ALPHA CHAIN V REGION ; X-RAY DIFFRACTION 1.4Å

e1ogaE1[E:5-118] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-CELL RECEPTOR BETA CHAIN C REGION ; X-RAY DIFFRACTION 1.4Å

e1pkoA1[A:1-126] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MYELIN OLIGODENDROCYTE GLYCOPROTEIN ; X-RAY DIFFRACTION 1.45Å

e1sq2N1[N:2-113] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NOVEL ANTIGEN RECEPTOR ; ligands: EDO ; X-RAY DIFFRACTION 1.45Å

e1smoA1[A:21-133] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRIGGERING RECEPTOR EXPRESSED ON MYELOID CELLS 1 ; ligands: TLA ; X-RAY DIFFRACTION 1.47Å

e1oaqL1[L:1-110] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LIGHT CHAIN ; X-RAY DIFFRACTION 1.5Å

e2g5rA1[A:24-144] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SIALIC ACID-BINDING IG-LIKE LECTIN 7 ; ligands: CYS,NAG,NXD ; X-RAY DIFFRACTION 1.6Å

e2bnqD1[D:2-114] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-CELL RECEPTOR ALPHA CHAIN V REGION ; X-RAY DIFFRACTION 1.700Å

e3bp5A1[A:1-114] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 1 ; ligands: GOL ; X-RAY DIFFRACTION 1.700Å

e1qfoA1[A:1-118] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (SIALOADHESIN) ; ligands: SIA ; X-RAY DIFFRACTION 1.85Å

e1neuA1[A:1-119] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MYELIN P0 PROTEIN ; X-RAY DIFFRACTION 1.9Å

e1tvdA1[A:1-116] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T CELL RECEPTOR ; X-RAY DIFFRACTION 1.9Å

e1xedA1[A:2-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

POLYMERIC-IMMUNOGLOBULIN RECEPTOR ; ligands: MG ; X-RAY DIFFRACTION 1.9Å

e1a6wH2[H:301-420] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

B1-8 FV (HEAVY CHAIN) ; ligands: NIP ; X-RAY DIFFRACTION 2.0Å

e1dqtA1[A:1-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYTOTOXIC T LYMPHOCYTE ASSOCIATED ANTIGEN 4 ; ligands: CL,EDO ; X-RAY DIFFRACTION 2.0Å

e1lp9E1[E:0-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-cell Receptor alpha chain ; X-RAY DIFFRACTION 2.0Å

e1tjgH1[H:1-113] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FAB 2F5 HEAVY CHAIN ; ligands: IPA ; X-RAY DIFFRACTION 2.0Å

e1nezG1[G:4-125] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-CELL SURFACE GLYCOPROTEIN CD8 ALPHA CHAIN ; ligands: NAG ; X-RAY DIFFRACTION 2.1Å

e1hkfA1[A:5-112] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NK CELL ACTIVATING RECEPTOR ; X-RAY DIFFRACTION 2.2Å

e2ij0C1[C:1-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PENULTIMATE AFFINITY-MATURED VARIANT OF HVBETA 2.1, D10 ; X-RAY DIFFRACTION 2.25Å

e2atpB1[B:1-115] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-CELL SURFACE GLYCOPROTEIN CD8 BETA CHAIN ; X-RAY DIFFRACTION 2.4Å

e2ntsP1[P:3-118] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRBC1 PROTEIN ; X-RAY DIFFRACTION 2.4Å

e1bd2D1[D:1-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T CELL RECEPTOR ALPHA ; X-RAY DIFFRACTION 2.5Å

e1f97A1[A:27-128] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

JUNCTION ADHESION MOLECULE ; X-RAY DIFFRACTION 2.5Å

e1hnfA1[A:4-104] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CD2 ; ligands: NA,NAG ; X-RAY DIFFRACTION 2.5Å

e2ak4D1[D:1-116] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SB27 T CELL RECEPTOR ALPHA CHAIN ; X-RAY DIFFRACTION 2.5Å

e1fo0B1[B:1-116] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (BM3.3 T CELL RECEPTOR BETA-CHAIN) ; X-RAY DIFFRACTION 2.500Å

e1ncnA1[A:0-109] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T LYMPHOCYTE ACTIVATION ANTIGEN CD86 ; X-RAY DIFFRACTION 2.7Å

e1hzhH5[H:1-113] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IMMUNOGLOBULIN HEAVY CHAIN ; X-RAY DIFFRACTION 2.70Å

e1dr9A1[A:1-105] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T LYMPHOCYTE ACTIVATION ANTIGEN ; X-RAY DIFFRACTION 3.0Å

e1hxmA1[A:1-120] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GAMMA-DELTA T-CELL RECEPTOR ; X-RAY DIFFRACTION 3.00Å

e1hxmB1[B:1-123] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GAMMA-DELTA T-CELL RECEPTOR ; X-RAY DIFFRACTION 3.00Å

e1l6zA1[A:1-107] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BILIARY GLYCOPROTEIN C ; ligands: NAG,NDG ; X-RAY DIFFRACTION 3.32Å

e1ypzF1[F:1-120] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-CELL RECEPTOR GAMMA CHAIN ; X-RAY DIFFRACTION 3.4Å

e1e07A1[A:1-107] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CARCINOEMBRYONIC ANTIGEN ; SOLUTION SCATTERING

e1kgcD1[D:2-117] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-cell receptor alpha chain ; X-RAY DIFFRACTION

e1zvoC1[C:1-129] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Immunoglobulin delta heavy chain ; SOLUTION SCATTERING

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

X: Glycosyl hydrolase domain-like

some similarity with Ig fold

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