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:
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 Nexte1ogaD1[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

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