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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


Keyword search


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: C1-set

PF07654 CL0159

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

e1rzfL2[L:109-210] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FAB E51 LIGHT CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.7Å

e2h26A1[A:184-279] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

T-CELL SURFACE GLYCOPROTEIN CD1B ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å

e1uvqA1[A:85-183] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HLA CLASS II HISTOCOMPATIBILITY ANTIGEN ; ligands: GLY,NAG ; X-RAY DIFFRACTION 1.800Å

e1uvqB1[B:95-191] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HLA CLASS II HISTOCOMPATIBILITY ANTIGEN ; X-RAY DIFFRACTION 1.800Å

e1u58A1[A:145-242] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MHC-I HOMOLOG M144 ; X-RAY DIFFRACTION 1.9Å

e2fbjH2[H:119-220] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

IGA-KAPPA J539 FAB (HEAVY CHAIN) ; X-RAY DIFFRACTION 1.95Å

e3fruA1[A:179-269] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NEONATAL FC RECEPTOR ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 2.2Å

e1dn0B2[B:121-225] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

IGM-KAPPA COLD AGGLUTININ (HEAVY CHAIN) ; X-RAY DIFFRACTION 2.28Å

e1fp5A1[A:336-438] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IGE HEAVY CHAIN EPSILON-1 ; X-RAY DIFFRACTION 2.3Å

e1fp5A2[A:439-543] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IGE HEAVY CHAIN EPSILON-1 ; X-RAY DIFFRACTION 2.3Å

e1hdmA1[A:94-196] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (CLASS II HISTOCOMPATIBILITY ANTIGEN, M ALPHA CHAIN) ; X-RAY DIFFRACTION 2.5Å

e1hdmB1[B:88-185] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (CLASS II HISTOCOMPATIBILITY ANTIGEN, M BETA CHAIN) ; X-RAY DIFFRACTION 2.5Å

e3pl6A2[A:83-180] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MHC class II HLA-DQ-alpha chain ; ligands: NAG ; X-RAY DIFFRACTION 2.55Å

e1o0vA1[A:228-330] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Immunoglobulin heavy chain epsilon-1 ; ligands: SO4 ; X-RAY DIFFRACTION 2.6Å

e1hyrC1[C:181-274] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

MHC CLASS I CHAIN-RELATED PROTEIN A ; X-RAY DIFFRACTION 2.7Å

e1hzhH6[H:114-235] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IMMUNOGLOBULIN HEAVY CHAIN ; X-RAY DIFFRACTION 2.70Å

e7m2hD2[D:119-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; X-RAY DIFFRACTION 2.64Å

e7m74H2[H:130-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; ELECTRON MICROSCOPY

e7mzfH2[H:115-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PDI 37 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.490Å

e7mzgH2[H:118-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PDI 42 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.000Å

e7mzhH2[H:115-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WCSL 119 heavy chain ; X-RAY DIFFRACTION 2.100Å

e7mziH2[H:118-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WCSL 129 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.850Å

e7mzjC2[C:118-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WCSL 129 heavy chain ; X-RAY DIFFRACTION 2.400Å

e7mzjF2[F:118-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WCSL 129 heavy chain ; X-RAY DIFFRACTION 2.400Å

e7mzjH2[H:127-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PDI 93 heavy chain ; X-RAY DIFFRACTION 2.400Å

e7mzjN2[N:127-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PDI 93 heavy chain ; X-RAY DIFFRACTION 2.400Å

e7mzkC2[C:118-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WCSL 129 heavy chain ; X-RAY DIFFRACTION 2.250Å

e7mzkF2[F:118-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WCSL 129 heavy chain ; X-RAY DIFFRACTION 2.250Å

e7mzlH2[H:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PDI 210 heavy chain ; X-RAY DIFFRACTION 3.700Å

e7mzmH2[H:133-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PDI 215 heavy chain ; X-RAY DIFFRACTION 2.300Å

e7mznH2[H:123-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PDI 231 heavy chain ; X-RAY DIFFRACTION 3.100Å

e7n4iH2[H:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WRAIR-2057 Antibody Fab Heavy Chain ; ligands: GOL ; X-RAY DIFFRACTION 2.28Å

e7n4jH2[H:132-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WRAIR-2173 antibody Fab heavy chain ; X-RAY DIFFRACTION 2.2Å

e7n4lH2[H:128-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

WRAIR-2125 antibody Fab heavy chain ; X-RAY DIFFRACTION 3.43Å

e7nabH2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CV3-25 Fab Heavy Chain ; X-RAY DIFFRACTION 2.140Å

e7nabA2[A:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CV3-25 Fab Heavy Chain ; ligands: NA ; X-RAY DIFFRACTION 2.140Å

e7np1H2[H:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Immunoglobulin gamma-1 heavy chain ; X-RAY DIFFRACTION 2.80Å

e7np1I2[I:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Immunoglobulin gamma-1 heavy chain ; X-RAY DIFFRACTION 2.80Å

e7np1J2[J:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Immunoglobulin gamma-1 heavy chain ; X-RAY DIFFRACTION 2.80Å

e7np1K2[K:123-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Immunoglobulin gamma-1 heavy chain ; X-RAY DIFFRACTION 2.80Å

e7oh0C2[C:119-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab TT104 ; ELECTRON MICROSCOPY

e7oh1E2[E:126-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FAB TT110 ; ELECTRON MICROSCOPY

e7oo2A2[A:116-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

anti-MenX Fab heavy chain ; X-RAY DIFFRACTION 2.16Å

e7oo2C2[C:116-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

anti-MenX Fab heavy chain ; X-RAY DIFFRACTION 2.16Å

e7pryA2[A:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COVOX-45 Fab heavy chain ; X-RAY DIFFRACTION 3.1Å

e7pryF2[F:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COVOX-45 Fab heavy chain ; X-RAY DIFFRACTION 3.1Å

e7pryH2[H:124-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-6 Fab heavy chain ; X-RAY DIFFRACTION 3.1Å

e7pryC2[C:124-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-6 Fab heavy chain ; X-RAY DIFFRACTION 3.1Å

e7przH2[H:125-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-22 Fab heavy chain ; X-RAY DIFFRACTION 3.2Å

e7ps0H2[H:124-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-24 heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.92Å

e7ps0B2[B:124-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-24 heavy chain ; X-RAY DIFFRACTION 2.92Å

e7ps1A2[A:118-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-27 Fab heavy chain ; ligands: CL,IOD ; X-RAY DIFFRACTION 2.4Å

e7ps2A2[A:128-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-29 Fab heavy chain ; X-RAY DIFFRACTION 2.99Å

e7ps2H2[H:122-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-53 heavy chain ; X-RAY DIFFRACTION 2.99Å

e7ps4H2[H:126-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-38 Fab heavy chain ; X-RAY DIFFRACTION 1.94Å

e7ps4B2[B:126-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-38 Fab heavy chain ; X-RAY DIFFRACTION 1.94Å

e7ps5H2[H:124-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-47 Fab heavy chain ; X-RAY DIFFRACTION 3.14Å

e7ps6H2[H:128-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-54 Fab heavy chain ; X-RAY DIFFRACTION 2.26Å

e7ps7A2[A:124-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-40 heavy chain ; X-RAY DIFFRACTION 3.9Å

e7ps7H2[H:124-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-40 heavy chain ; X-RAY DIFFRACTION 3.9Å

e7q0gH2[H:118-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FI-3A Fab heavy chain ; ligands: GOL,K,TAR ; X-RAY DIFFRACTION 1.823Å

e7q0hH2[H:128-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-54 Fab heavy chain ; X-RAY DIFFRACTION 3.65Å

e7q0hA2[A:120-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-50 Fab heavy chain ; X-RAY DIFFRACTION 3.65Å

e7q0iH2[H:127-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-43 heavy chain ; ligands: CL ; X-RAY DIFFRACTION 2.386Å

e7q0iA2[A:127-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-43 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.386Å

e7q9fH2[H:119-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-50 heavy chain ; ELECTRON MICROSCOPY

e7q9fE2[E:119-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-50 heavy chain ; ELECTRON MICROSCOPY

e7q9fJ2[J:118-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Beta-50 heavy chain ; ELECTRON MICROSCOPY

e7rd5B2[B:119-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

1C12 Fab Heavy Chain ; X-RAY DIFFRACTION 3.6Å

e7rd5D2[D:119-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

1C12 Fab Heavy Chain ; X-RAY DIFFRACTION 3.6Å

e7rdaH2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

antibody m43.138 heavy chain ; X-RAY DIFFRACTION 1.920Å

e7rdjB2[B:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PCDN-16B Fab heavy chain ; ligands: EDO ; X-RAY DIFFRACTION 1.93Å

e7rdkB2[B:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PCDN-16B Fab heavy chain ; ligands: CYS,EDO ; X-RAY DIFFRACTION 2.46Å

e7rdlB2[B:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PCDN-22A Fab heavy chain ; X-RAY DIFFRACTION 2.70Å

e7rdlD2[D:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PCDN-22A Fab heavy chain ; X-RAY DIFFRACTION 2.70Å

e7rdmB2[B:115-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PCDN-38B Fab heavy chain ; ligands: CYS,GOL,PO4 ; X-RAY DIFFRACTION 2.08Å

e7s0bA2[A:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-612-056 Fab Heavy Chain ; X-RAY DIFFRACTION 2.9Å

e7s0bC2[C:122-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-612-056 Fab Heavy Chain ; X-RAY DIFFRACTION 2.9Å

e7s0cH2[H:124-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-612-017 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7s0cM2[M:124-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-612-017 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7s0dH2[H:122-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-612-014 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7s0dM2[M:122-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-612-014 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7s0dO2[O:122-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-612-014 Fab Heavy Chain ; ELECTRON MICROSCOPY

e7s0eH2[H:122-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-612-004 Fab heavy chain ; ELECTRON MICROSCOPY

e7s11H2[H:115-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; X-RAY DIFFRACTION 2.58Å

e7s11I2[I:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; X-RAY DIFFRACTION 2.58Å

e7s11J2[J:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; X-RAY DIFFRACTION 2.58Å

e7s11K2[K:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; X-RAY DIFFRACTION 2.58Å

e7s13H2[H:115-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; X-RAY DIFFRACTION 2.12Å

e7s13I2[I:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Fab heavy chain ; X-RAY DIFFRACTION 2.12Å

e7sfxC2[C:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

10A1 Fab heavy chain ; X-RAY DIFFRACTION 3.10Å

e7sfxA2[A:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

10A1 Fab heavy chain ; X-RAY DIFFRACTION 3.10Å

e7sfxG2[G:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

10A1 Fab heavy chain ; X-RAY DIFFRACTION 3.10Å

e7sfxJ2[J:123-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

10A1 Fab heavy chain ; X-RAY DIFFRACTION 3.10Å

e7sg4H2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DH1047 Heavy chain ; ELECTRON MICROSCOPY

e7sn1H2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

neutralizing antibody C1C-A3 Fab heavy chain ; X-RAY DIFFRACTION 1.467Å

e7sn2H2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

neutralizing antibody C1C-A3 Fab heavy chain ; ELECTRON MICROSCOPY

e7v26a2[a:121-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XG005 Heavy chain ; ELECTRON MICROSCOPY

e7v26c2[c:121-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XG005 Heavy chain ; ELECTRON MICROSCOPY

e7v26e2[e:121-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

XG005 Heavy chain ; ELECTRON MICROSCOPY

e7vsuD2[D:121-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

heavy chain ; X-RAY DIFFRACTION 3.1Å

e7vsuB2[B:121-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

heavy chain ; X-RAY DIFFRACTION 3.1Å

e7vuxH2[H:118-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Heavy chain of Fab fragment ; ligands: EDO,GOL,THR ; X-RAY DIFFRACTION 1.64Å

Previous

e1hzhH7[H:236-359] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IMMUNOGLOBULIN HEAVY CHAIN ; ligands: BMA,GAL,MAN,NAG ; X-RAY DIFFRACTION 2.70Å

e1hzhH8[H:360-478] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

IMMUNOGLOBULIN HEAVY CHAIN ; X-RAY DIFFRACTION 2.70Å

e3rdtC2[C:83-178] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

H-2 class II histocompatibility antigen, A-B alpha chain ; X-RAY DIFFRACTION 2.70Å

e1hxmA2[A:121-206] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e1hxmB2[B:124-230] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e1zvoC2[C:130-234] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Immunoglobulin delta heavy chain ; SOLUTION SCATTERING

e1zvoC5[C:398-512] 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