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
e5tljD2[D:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M2191 HEAVY CHAIN ; X-RAY DIFFRACTION 3.50Å
e5tljH2[H:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M2191 HEAVY CHAIN ; X-RAY DIFFRACTION 3.50Å
e5u3kH2[H:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.2 Fab Heavy Chain ; X-RAY DIFFRACTION 2.650Å
e5u3kA1[A:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.2 Fab Heavy Chain ; ligands: CL ; X-RAY DIFFRACTION 2.650Å
e5u3lH1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.2 Fab Heavy Chain ; X-RAY DIFFRACTION 2.170Å
e5u3lA2[A:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.2 Fab Heavy Chain ; X-RAY DIFFRACTION 2.170Å
e5u3mH2[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.11P Fab Heavy Chain ; X-RAY DIFFRACTION 2.410Å
e5u3nH2[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.12P Fab Heavy Chain ; X-RAY DIFFRACTION 2.000Å
e5u3oH1[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.2_K3 Fab Heavy Chain ; X-RAY DIFFRACTION 1.760Å
e5u3pH2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.4 Fab Heavy Chain ; X-RAY DIFFRACTION 1.500Å
e5mhrI1[I:122-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
9BG5 Fab heavy chain ; X-RAY DIFFRACTION 3.000Å
e5mhrN1[N:122-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
9BG5 Fab heavy chain ; X-RAY DIFFRACTION 3.000Å
e5mhrP2[P:122-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
9BG5 Fab heavy chain ; X-RAY DIFFRACTION 3.000Å
e5mhrR2[R:122-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
9BG5 Fab heavy chain ; X-RAY DIFFRACTION 3.000Å
e5u3jH2[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH511.1 Heavy Chain ; X-RAY DIFFRACTION 2.700Å
e5mvzH1[H:119-221] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab 4AB007 H-chain ; ligands: GOL ; X-RAY DIFFRACTION 2.093Å
e5mvzA2[A:119-221] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab 4AB007 H-chain ; ligands: GOL ; X-RAY DIFFRACTION 2.093Å
e5wt9H2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain of Nivolumab ; X-RAY DIFFRACTION 2.4Å
e5kaqF2[F:132-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANTIBODY 31.A.83 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 3.5Å
e5kaqH2[H:132-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANTIBODY 31.A.83 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 3.5Å
e5kaqQ1[Q:132-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANTIBODY 31.A.83 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 3.5Å
e5u1fH1[H:118-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PGT145 heavy chain ; ELECTRON MICROSCOPY
e5iieH2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody DH501 FabH chain ; X-RAY DIFFRACTION 2.8Å
e5iieA2[A:114-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody DH501 FabH chain ; X-RAY DIFFRACTION 2.8Å
e5tihH2[H:115-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CyRPA antibody Fab Heavy Chain ; X-RAY DIFFRACTION 2.440Å
e5uqyD2[D:126-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MR78 Fab heavy chain ; X-RAY DIFFRACTION 3.6Å
e5uqyH2[H:126-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MR78 Fab heavy chain ; X-RAY DIFFRACTION 3.6Å
e5uqyL1[L:126-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MR78 Fab heavy chain ; X-RAY DIFFRACTION 3.6Å
e5uqyP1[P:126-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MR78 Fab heavy chain ; X-RAY DIFFRACTION 3.6Å
e5sy8H1[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 1.619Å
e5uixH2[H:131-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH576 Fab heavy chain ; X-RAY DIFFRACTION 2.510Å
e5t29H1[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.025Å
e5t5bH1[H:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.067Å
e5t5bA2[A:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.067Å
e5t6lH2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.096Å
e5t6lA1[A:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.096Å
e5t80H2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.624Å
e5t85H2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.373Å
e5tfwH2[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 10E8 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 2.168Å
e5t4zH1[H:114-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody DH501 Fab heavy chain ; ligands: CA ; X-RAY DIFFRACTION 1.99Å
e5t4zA2[A:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody DH501 Fab heavy chain ; X-RAY DIFFRACTION 1.99Å
e5tppH2[H:122-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH270.5 Fab light chain ; ligands: CIT ; X-RAY DIFFRACTION 1.850Å
e5ifjJ2[J:129-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; X-RAY DIFFRACTION 2.35Å
e5tztA1[A:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain of Fab C47B161 ; X-RAY DIFFRACTION 2.890Å
e5tztH1[H:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain of Fab C47B161 ; ligands: GOL ; X-RAY DIFFRACTION 2.890Å
e5tplH2[H:128-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH270.3 Fab heavy chain ; X-RAY DIFFRACTION 2.500Å
e5th9H2[H:116-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
GS-5745 Fab heavy chain ; X-RAY DIFFRACTION 3.000Å
e5th9I1[I:116-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
GS-5745 Fab heavy chain ; X-RAY DIFFRACTION 3.000Å
e5ijkA1[A:129-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E03 Fab fragment heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.50Å
e5ijkB2[B:129-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E03 Fab fragment heavy chain ; X-RAY DIFFRACTION 2.50Å
e5ik3C1[C:129-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E03 Fab fragment heavy chain ; X-RAY DIFFRACTION 1.65Å
e5trpH2[H:117-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH272 Fab heavy chain ; X-RAY DIFFRACTION 2.680Å
e5tz2H1[H:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
C47B222 Fab Heavy Chain ; ligands: GOL ; X-RAY DIFFRACTION 2.300Å
e5ifjA1[A:129-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.35Å
e5ifjD1[D:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; X-RAY DIFFRACTION 2.35Å
e5ifjG2[G:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.35Å
e5ig7A2[A:129-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 1.97Å
e5ig7D2[D:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 1.97Å
e5ig7G2[G:129-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 1.97Å
e5ig7J2[J:132-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 1.97Å
e5ihzA2[A:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; X-RAY DIFFRACTION 1.64Å
e5ihzC1[C:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; X-RAY DIFFRACTION 1.64Å
e5ihzE1[E:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; X-RAY DIFFRACTION 1.64Å
e5ihzH1[H:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E01 Fab fragment heavy chain ; X-RAY DIFFRACTION 1.64Å
e5ik3A1[A:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1E03 Fab fragment heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 1.65Å
e5tzuH1[H:119-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain of Fab B6H12.2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.100Å
e5tqaH2[H:122-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH270.6 Fab heavy chain ; X-RAY DIFFRACTION 2.730Å
e5tqaA2[A:122-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH270.6 Fab heavy chain ; X-RAY DIFFRACTION 2.730Å
e5u0rH1[H:122-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH270.UCA1 heavy chain ; X-RAY DIFFRACTION 3.2950Å
e5u15A2[A:122-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH270.UCA3 heavy chain ; X-RAY DIFFRACTION 2.260Å
e5u15H1[H:122-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH270.UCA3 heavy chain ; X-RAY DIFFRACTION 2.260Å
e5h2bA2[A:116-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
G196 antibody Heavy chain ; X-RAY DIFFRACTION 2.0Å
e5it2H1[H:129-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain ; X-RAY DIFFRACTION 1.70Å
e5jopE2[E:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab14.22 heavy chain ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 1.75Å
e5jopH1[H:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab14.22 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.75Å
e5jorB1[B:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab14.22 heavy chain ; ligands: 1PE,GOL,SO4 ; X-RAY DIFFRACTION 2.206Å
e5jorF2[F:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab14.22 heavy chain ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.206Å
e5jorH1[H:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab14.22 heavy chain ; ligands: 1PE,GOL,SO4 ; X-RAY DIFFRACTION 2.206Å
e5jorD1[D:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab14.22 heavy chain ; ligands: 1PE,GOL ; X-RAY DIFFRACTION 2.206Å
e5uhyH1[H:114-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ZV67 Fab chain 2 ; ELECTRON MICROSCOPY
e5uhyJ1[J:114-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ZV67 Fab chain 2 ; ELECTRON MICROSCOPY
e5utfH1[H:111-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PGT122 Heavy chain ; X-RAY DIFFRACTION 3.5Å
e5utyH2[H:111-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PGT122 Fab heavy chain ; X-RAY DIFFRACTION 3.400Å
e5utfD2[D:108-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
35022 Heavy chain ; X-RAY DIFFRACTION 3.5Å
e5utyD1[D:108-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
35O22 Fab heavy chain ; X-RAY DIFFRACTION 3.400Å
e5x08H1[H:114-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 4E10 Heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.49Å
e5v2aH1[H:114-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of H7.167 antibody ; X-RAY DIFFRACTION 4.65Å
e5j13C1[C:126-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-TSLP Fab-fragment, heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.298Å
e5b4mH2[H:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab heavy chain ; X-RAY DIFFRACTION 2.4Å
e5b4mC2[C:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab heavy chain ; X-RAY DIFFRACTION 2.4Å
e5v7rH2[H:114-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CBTAU-7.1 Fab heavy chain ; X-RAY DIFFRACTION 2.30Å
e5v7uH1[H:114-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CBTAU-22.1 Fab heavy chain ; X-RAY DIFFRACTION 1.64Å
e5uxqA2[A:113-214] Image Pymol Jmol Links: PDB, SCOP, CATH
PGT143 Fab Heavy Chain ; X-RAY DIFFRACTION 2.4Å
e5uxqH2[H:113-213] Image Pymol Jmol Links: PDB, SCOP, CATH
PGT143 Fab Heavy Chain ; X-RAY DIFFRACTION 2.4Å
e5uy3H1[H:118-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody PGT144 Fab heavy chain ; X-RAY DIFFRACTION 2.9Å
e5uy3A1[A:118-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody PGT144 Fab heavy chain ; X-RAY DIFFRACTION 2.9Å
e5vcoB2[B:123-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY CHAIN OF FAB FRAGMENT OF 10B9 ANTIBODY ; X-RAY DIFFRACTION 2.740Å
e5vcoD1[D:123-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY CHAIN OF FAB FRAGMENT OF 10B9 ANTIBODY ; X-RAY DIFFRACTION 2.740Å
e5vcnD2[D:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY CHAIN OF FAB FRAGMENT OF MAB 5H8 ; X-RAY DIFFRACTION 3.000Å
e5vcnF1[F:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY CHAIN OF FAB FRAGMENT OF MAB 5H8 ; X-RAY DIFFRACTION 3.000Å
e5vh3H2[H:121-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Infliximab Fab Heavy Chain ; X-RAY DIFFRACTION 2.000Å
e5vh3A2[A:121-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Infliximab Fab Heavy Chain ; X-RAY DIFFRACTION 2.000Å
e5vh4H1[H:121-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Infliximab Fab Heavy Chain ; ligands: EDO ; X-RAY DIFFRACTION 2.000Å
e5vh4A1[A:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Infliximab Fab Heavy Chain ; X-RAY DIFFRACTION 2.000Å
e5hbtD1[D:114-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab35, Heavy Chain ; X-RAY DIFFRACTION 2.250Å
e5hbvD1[D:114-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab35, Heavy Chain ; X-RAY DIFFRACTION 2.560Å
e5m63H1[H:145-241] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
H chain of Fab NVS-1-19-5 ; ligands: EDO ; X-RAY DIFFRACTION 2.74Å
e5b71B2[B:124-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SKY59 Fab heavy chain ; X-RAY DIFFRACTION 2.11Å
e5b71D2[D:124-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
SKY59 Fab heavy chain ; X-RAY DIFFRACTION 2.11Å
e5m63M1[M:145-245] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
H chain of Fab NVS-1-19-5 ; X-RAY DIFFRACTION 2.74Å
e5nj6H2[H:120-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab3949 H ; X-RAY DIFFRACTION 4.00Å
e5g64H1[H:122-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAB FRAGMENT ; X-RAY DIFFRACTION 3.70Å
e5g64I1[I:122-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAB FRAGMENT ; X-RAY DIFFRACTION 3.70Å
e5vicH2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.700Å
e5vigH1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.900Å
e5vigA2[A:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.900Å
e5truH2[H:119-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ipilimumab Fab heavy chain ; X-RAY DIFFRACTION 3.000Å
e5truh1[h:119-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ipilimumab Fab heavy chain ; X-RAY DIFFRACTION 3.000Å
e3jcbC1[C:111-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 36D5 heavy chain ; ELECTRON MICROSCOPY
e3jccC2[C:111-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody 36D5 heavy chain ; ELECTRON MICROSCOPY
e5udcH1[H:111-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; X-RAY DIFFRACTION 3.450Å
e5udcB2[B:111-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; X-RAY DIFFRACTION 3.450Å
e5udcE2[E:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; X-RAY DIFFRACTION 3.450Å
e5uddJ2[J:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; X-RAY DIFFRACTION 4.300Å
e5uddK1[K:111-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; X-RAY DIFFRACTION 4.300Å
e5uddL1[L:111-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; ligands: SO4 ; X-RAY DIFFRACTION 4.300Å
e5uddM1[M:111-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; X-RAY DIFFRACTION 4.300Å
e5uddN1[N:111-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; X-RAY DIFFRACTION 4.300Å
e5uddO1[O:111-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MEDI8897 Fab Heavy Chain ; X-RAY DIFFRACTION 4.300Å
e5vpgD2[D:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAB 4C1 - HEAVY CHAIN ; X-RAY DIFFRACTION 1.950Å
e5vplD2[D:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
4C1 - HEAVY CHAIN ; X-RAY DIFFRACTION 1.900Å
e5xezC2[C:343-445] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody, mAb1, heavy chain ; X-RAY DIFFRACTION 3Å
e5xezH1[H:343-445] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody, mAb1, heavy chain ; X-RAY DIFFRACTION 3Å
e5xf1C1[C:343-445] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody mAb1 Heavy chain ; X-RAY DIFFRACTION 3.19Å
e5xf1H2[H:343-445] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody mAb1 Heavy chain ; X-RAY DIFFRACTION 3.19Å
e5umnC1[C:106-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody C05 VPGSGW mutant, heavy chain ; X-RAY DIFFRACTION 1.97Å
e5umnE2[E:106-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody C05 VPGSGW mutant, heavy chain ; X-RAY DIFFRACTION 1.97Å
e5kvlH2[H:112-214] Image Pymol Jmol Links: PDB, SCOP, CATH
Humanized 10G4 anti-Leukotriene C4 Immunoglobulin G (IgG) heavy chain Fab fragment ; ligands: EDO,PGE,TRS,ZN ; X-RAY DIFFRACTION 1.74Å
e5vphD2[D:122-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAB 4C1 - HEAVY CHAIN ; X-RAY DIFFRACTION 2.500Å
e5x2mH1[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.20Å
e5x2mJ1[J:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.20Å
e5x2nH2[H:125-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.2Å
e5x2nJ1[J:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.2Å
e5x2oH1[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.60Å
e5x2oJ1[J:125-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.60Å
e5x2pH1[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.60Å
e5x2pJ2[J:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.60Å
e5x2qH1[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.6Å
e5x2qJ1[J:125-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab16A Heavy chain ; X-RAY DIFFRACTION 2.6Å
e5nphH1[H:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of Fab fragment derived from non-neutralizing antibody DAO5 ; X-RAY DIFFRACTION 1.7Å
e5um8H2[H:111-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab PGT124 heavy chain ; X-RAY DIFFRACTION 3.935Å
e5um8D1[D:113-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 35022 heavy chain ; X-RAY DIFFRACTION 3.935Å
e5nivB2[B:120-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of 5D3 Fab ; X-RAY DIFFRACTION 1.498Å
e5nj3C2[C:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
5D3-Fab heavy chain ; ELECTRON MICROSCOPY
e5nj3E1[E:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
5D3-Fab heavy chain ; ELECTRON MICROSCOPY
e5n4gH2[H:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY CHAIN ; X-RAY DIFFRACTION 2.75Å
e5vebA2[A:119-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-CDH6 Fab heavy chain ; X-RAY DIFFRACTION 2.34Å
e5vebH1[H:119-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-CDH6 Fab heavy chain ; X-RAY DIFFRACTION 2.34Å
e5wuvH1[H:119-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain ; X-RAY DIFFRACTION 1.95Å
e5wuxA1[A:119-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy ; X-RAY DIFFRACTION 2.90Å
e5wuxC2[C:119-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy ; X-RAY DIFFRACTION 2.90Å
e5wuxH1[H:119-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy ; X-RAY DIFFRACTION 2.90Å
e5b6fB1[B:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
anti-leukotriene C4 monoclonal antibody immunoglobulin gamma1 heavy chain ; X-RAY DIFFRACTION 2.10Å
e5b6fD2[D:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
anti-leukotriene C4 monoclonal antibody immunoglobulin gamma1 heavy chain ; X-RAY DIFFRACTION 2.10Å
e5b6fF1[F:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
anti-leukotriene C4 monoclonal antibody immunoglobulin gamma1 heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.10Å
e5b6fH2[H:138-236] Image Pymol Jmol Links: PDB, SCOP, CATH
anti-leukotriene C4 monoclonal antibody immunoglobulin gamma1 heavy chain ; X-RAY DIFFRACTION 2.10Å
e5vk2D1[D:125-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 37.7H heavy chain ; X-RAY DIFFRACTION 3.2Å
e5vk2F2[F:125-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 37.7H heavy chain ; X-RAY DIFFRACTION 3.2Å
e5vk2H1[H:125-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 37.7H heavy chain ; X-RAY DIFFRACTION 3.2Å
e5ug0D2[D:128-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2897 heavy chain ; X-RAY DIFFRACTION 3.400Å
e5n4jH2[H:115-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEAVY CHAIN ; X-RAY DIFFRACTION 1.503Å
e5gmqB1[B:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MCA1 heavy chain ; X-RAY DIFFRACTION 2.703Å
e5n09H2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BROADLY NEUTRALIZING HUMAN ANTIBODY EDE2 A11 - Heavy chain ; X-RAY DIFFRACTION 3.90Å
e5n09I1[I:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BROADLY NEUTRALIZING HUMAN ANTIBODY EDE2 A11 - Heavy chain ; X-RAY DIFFRACTION 3.90Å
e5vgjH1[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VRC38.01 Fab Heavy Chain ; X-RAY DIFFRACTION 3.450Å
e5w06H1[H:121-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M1587 FAB HEAVY CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 2.60Å
e5xajA1[A:123-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FabHM14c10 heavy chain ; X-RAY DIFFRACTION 2.5Å
e5xajH1[H:123-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FabHM14c10 heavy chain ; X-RAY DIFFRACTION 2.5Å
e5xajE2[E:116-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab E1 heavy chain ; X-RAY DIFFRACTION 2.5Å
e5xajF1[F:116-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab E1 heavy chain ; X-RAY DIFFRACTION 2.5Å
e5tl5H1[H:121-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M2177 HEAVY CHAIN ; X-RAY DIFFRACTION 1.80Å
e5w05H2[H:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
M59 FAB HEAVY CHAIN ; X-RAY DIFFRACTION 1.64Å
e5vj6H1[H:134-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PG9 Fab heavy chain ; ELECTRON MICROSCOPY
e5viyH2[H:134-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BG1 Fab heavy chain ; ELECTRON MICROSCOPY
e5viyJ2[J:134-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BG1 Fab heavy chain ; ELECTRON MICROSCOPY
e5viyK2[K:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8ANC195 G52K5 Fab heavy chain ; ELECTRON MICROSCOPY
e5viyM2[M:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8ANC195 G52K5 Fab heavy chain ; ELECTRON MICROSCOPY
e5viyO2[O:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8ANC195 G52K5 Fab heavy chain ; ELECTRON MICROSCOPY
e5vj6M1[M:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8ANC195 Fab heavy chain ; ELECTRON MICROSCOPY
e5vj6O2[O:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8ANC195 Fab heavy chain ; ELECTRON MICROSCOPY
e5vj6Q1[Q:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
8ANC195 Fab heavy chain ; ELECTRON MICROSCOPY
e5myxB1[B:114-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab c#24 heavy chain ; X-RAY DIFFRACTION 1.490Å
e5myxD2[D:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab c#24 heavy chain ; X-RAY DIFFRACTION 1.490Å
e5nbwH2[H:115-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 22F12 (A,B) ; X-RAY DIFFRACTION 2.4Å
e5nbwB1[B:115-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 22F12 (A,B) ; X-RAY DIFFRACTION 2.4Å
e5nuzA1[A:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
eOD01 heavy chain ; ligands: GOL,MAN ; X-RAY DIFFRACTION 1.850Å
e5nuzH1[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
eOD01 heavy chain ; ligands: GOL,IPA ; X-RAY DIFFRACTION 1.850Å
e5my4B1[B:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab c#17 heavy chain ; X-RAY DIFFRACTION 2.210Å
e5mykB1[B:122-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab c#17 heavy chain ; X-RAY DIFFRACTION 1.600Å
e5myoB1[B:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab c#6 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.59Å
Previous Nexte1mjuL2[L:108-214]
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IMMUNOGLOBULIN MS6-12 ; ligands: GOL ; X-RAY DIFFRACTION 1.22Å
e1ogaE2[E:119-245]
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T-CELL RECEPTOR BETA CHAIN C REGION ; X-RAY DIFFRACTION 1.4Å
e1l6xA1[A:237-341]
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IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION ; X-RAY DIFFRACTION 1.65Å
e1l6xA2[A:342-443]
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IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION ; X-RAY DIFFRACTION 1.65Å
e1rzfL2[L:109-210]
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FAB E51 LIGHT CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.7Å
e2h26A1[A:184-279]
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T-CELL SURFACE GLYCOPROTEIN CD1B ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å
e1uvqA1[A:85-183]
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HLA CLASS II HISTOCOMPATIBILITY ANTIGEN ; ligands: GLY,NAG ; X-RAY DIFFRACTION 1.800Å
e1uvqB1[B:95-191]
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HLA CLASS II HISTOCOMPATIBILITY ANTIGEN ; X-RAY DIFFRACTION 1.800Å
e1u58A1[A:145-242]
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MHC-I HOMOLOG M144 ; X-RAY DIFFRACTION 1.9Å
e2fbjH2[H:119-220]
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IGA-KAPPA J539 FAB (HEAVY CHAIN) ; X-RAY DIFFRACTION 1.95Å
e3fruA1[A:179-269]
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NEONATAL FC RECEPTOR ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 2.2Å
e1dn0B2[B:121-225]
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IGM-KAPPA COLD AGGLUTININ (HEAVY CHAIN) ; X-RAY DIFFRACTION 2.28Å
e1fp5A1[A:336-438]
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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]
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PROTEIN (CLASS II HISTOCOMPATIBILITY ANTIGEN, M ALPHA CHAIN) ; X-RAY DIFFRACTION 2.5Å
e1hdmB1[B:88-185]
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PROTEIN (CLASS II HISTOCOMPATIBILITY ANTIGEN, M BETA CHAIN) ; X-RAY DIFFRACTION 2.5Å
e3pl6A2[A:83-180]
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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]
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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