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
![](/ecod/img/m.gif)
![](/ecod/img/m.gif)
![](/ecod/img/m.gif)
![](/ecod/img/m.gif)
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
e7kf1E2[E:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH
anti-VEGF-A Fab bH1 light chain ; X-RAY DIFFRACTION 2.450Å
e7kf1I2[I:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH
anti-VEGF-A Fab bH1 light chain ; X-RAY DIFFRACTION 2.450Å
e7kx4A2[A:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ADI-36121 Fab light chain ; X-RAY DIFFRACTION 2.6Å
e7kx4C2[C:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ADI-36121 Fab light chain ; X-RAY DIFFRACTION 2.6Å
e7l77L2[L:113-218] Image Pymol Jmol Links: PDB, SCOP, CATH
Light chain of VRC33.01 ; X-RAY DIFFRACTION 1.540Å
e7l79L2[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH
Light chain of VRC40.01 ; ligands: ZN ; X-RAY DIFFRACTION 2.800Å
e7l79B2[B:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH
Light chain of VRC40.01 ; ligands: ZN ; X-RAY DIFFRACTION 2.800Å
e7l7rA2[A:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ADI-36121 Fab light chain ; X-RAY DIFFRACTION 2.1Å
e7lkgB2[B:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
m43.151 Fab Light chain ; X-RAY DIFFRACTION 2.02Å
e7lkgE2[E:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
m43.151 Fab Light chain ; X-RAY DIFFRACTION 2.02Å
e7lr3L2[L:108-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
D3_2/6.14 Fab light chain ; X-RAY DIFFRACTION 2.8Å
e7lr3B2[B:108-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
D3_2/6.14 Fab light chain ; X-RAY DIFFRACTION 2.8Å
e7lr4L2[L:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
D3_2/1.12 Fab light chain ; X-RAY DIFFRACTION 2.10Å
e7m7eD2[D:130-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7m7fD2[D:131-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7m7fF2[F:131-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7m7gD2[D:131-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7m7gF2[F:131-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7m7hD2[D:131-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7m7hF2[F:131-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7m7iD2[D:132-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (heavy chain) ; ELECTRON MICROSCOPY
e7m7iF2[F:132-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (heavy chain) ; ELECTRON MICROSCOPY
e7m7jD2[D:131-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7m7jF2[F:131-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1B2 (light chain) ; ELECTRON MICROSCOPY
e7mn8C2[C:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Trastuzumab Fab Light Chain ; ELECTRON MICROSCOPY
e7mzfL2[L:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 37 light chain ; ligands: GOL ; X-RAY DIFFRACTION 2.490Å
e7mzkM2[M:115-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 96 light chain ; X-RAY DIFFRACTION 2.250Å
e7mzkL2[L:115-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 96 light chain ; X-RAY DIFFRACTION 2.250Å
e7mzlL2[L:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 210 light chain ; X-RAY DIFFRACTION 3.700Å
e7mzmL2[L:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 215 light chain ; X-RAY DIFFRACTION 2.300Å
e7mznL2[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 231 light chain ; X-RAY DIFFRACTION 3.100Å
e7n4lL2[L:109-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
WRAIR-2125 antibody Fab light chain ; X-RAY DIFFRACTION 3.43Å
e7oh0B2[B:332-436] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab TT104 ; ELECTRON MICROSCOPY
e7oh1D2[D:336-442] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAB TT110 ; ELECTRON MICROSCOPY
e7oo2B2[B:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-MenX Fab light chain ; ligands: SCN ; X-RAY DIFFRACTION 2.16Å
e7oo2D2[D:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-MenX Fab light chain ; ligands: SCN ; X-RAY DIFFRACTION 2.16Å
e7pryB2[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COVOX-45 Fab light chain ; X-RAY DIFFRACTION 3.1Å
e7pryG2[G:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
COVOX-45 Fab light chain ; X-RAY DIFFRACTION 3.1Å
e7pryL2[L:110-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-6 Fab light chain ; X-RAY DIFFRACTION 3.1Å
e7pryD2[D:109-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-6 Fab light chain ; X-RAY DIFFRACTION 3.1Å
e7przL2[L:115-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-22 Fab light chain ; X-RAY DIFFRACTION 3.2Å
e7ps1B2[B:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-27 Fab light chain ; ligands: CL,IOD ; X-RAY DIFFRACTION 2.4Å
e7ps2B2[B:116-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-29 Fab light chain ; X-RAY DIFFRACTION 2.99Å
e7ps2L2[L:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-53 Fab light chain ; X-RAY DIFFRACTION 2.99Å
e7q0gL2[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FI-3A Fab light chain ; ligands: GOL,K ; X-RAY DIFFRACTION 1.823Å
e7q0gB2[B:110-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-49 Fab light chain ; ligands: GOL,K ; X-RAY DIFFRACTION 1.823Å
e7q6eL2[L:110-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-49 light chain ; ELECTRON MICROSCOPY
e7q6eF2[F:111-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-49 light chain ; ELECTRON MICROSCOPY
e7q6eK2[K:110-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-49 light chain ; ELECTRON MICROSCOPY
e7r9dL2[L:114-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 8D3 light chain ; X-RAY DIFFRACTION 1.83Å
e7rajL2[L:109-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
iGL-CIS43.D3 Fab light chain ; ligands: ZN ; X-RAY DIFFRACTION 3.0Å
e7rcsL2[L:109-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody m43.160 light chain ; X-RAY DIFFRACTION 2.400Å
e7rcsB2[B:109-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody m43.160 light chain ; X-RAY DIFFRACTION 2.400Å
e7rd3B2[B:109-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody m42.126 light chain ; X-RAY DIFFRACTION 1.810Å
e7rd3L2[L:109-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody m42.126 light chain ; X-RAY DIFFRACTION 1.810Å
e7rd4L2[L:109-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody m43.149 light chain ; X-RAY DIFFRACTION 1.750Å
e7rd4B2[B:109-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody m43.149 light chain ; X-RAY DIFFRACTION 1.750Å
e7rd5A2[A:109-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1C12 Fab Light Chain ; X-RAY DIFFRACTION 3.6Å
e7rd5C2[C:109-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1C12 Fab Light Chain ; X-RAY DIFFRACTION 3.6Å
e7rdjA2[A:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PCDN-16B Fab light chain ; ligands: EDO ; X-RAY DIFFRACTION 1.93Å
e7rdkA2[A:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PCDN-16B Fab light chain ; ligands: CYS,EDO,GOL ; X-RAY DIFFRACTION 2.46Å
e7rdmA2[A:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PCDN-38B Fab light chain ; ligands: CYS,GOL,PO4 ; X-RAY DIFFRACTION 2.08Å
e7rxcL2[L:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab_8D3_2 light chain ; ELECTRON MICROSCOPY
e7rxdL2[L:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab_8D3_2 light chain ; ELECTRON MICROSCOPY
e7s0bD2[D:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
N-612-056 Light Chain ; X-RAY DIFFRACTION 2.9Å
e7s0cL2[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
N-612-017 Light Chain ; ELECTRON MICROSCOPY
e7s0cN2[N:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
N-612-017 Light Chain ; ELECTRON MICROSCOPY
e7s0dL2[L:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
N-612-014 Light Chain ; ELECTRON MICROSCOPY
e7s0dN2[N:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
N-612-014 Light Chain ; ELECTRON MICROSCOPY
e7s0dP2[P:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
N-612-014 Light Chain ; ELECTRON MICROSCOPY
e7s0eL2[L:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
N-612-004 Light Chain ; ELECTRON MICROSCOPY
e7s11L2[L:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab light chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.58Å
e7s11M2[M:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab light chain ; X-RAY DIFFRACTION 2.58Å
e7s11N2[N:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab light chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.58Å
e7s11O2[O:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab light chain ; X-RAY DIFFRACTION 2.58Å
e7s3mL2[L:116-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab22 Light Chain ; X-RAY DIFFRACTION 2.40Å
e7s6cF2[F:131-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 1B2 light chain ; ELECTRON MICROSCOPY
e7s6cG2[G:131-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 1B2 light chain ; ELECTRON MICROSCOPY
e7s6dG2[G:131-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 1B2 light chain ; ELECTRON MICROSCOPY
e7s6dF2[F:130-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 1B2 light chain ; ELECTRON MICROSCOPY
e7segL2[L:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-CD16a Fab light chain ; X-RAY DIFFRACTION 2.150Å
e7segB2[B:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-CD16a Fab light chain ; X-RAY DIFFRACTION 2.150Å
e7sfxK2[K:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
10A1 Fab light chain ; X-RAY DIFFRACTION 3.10Å
e7sg4L2[L:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DH1047 light chain ; ELECTRON MICROSCOPY
e7sn1L2[L:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
neutralizing antibody C1C-A3 Fab light chain ; X-RAY DIFFRACTION 1.467Å
e7sn2L2[L:110-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
neutralizing antibody C1C-A3 Fab light chain ; ELECTRON MICROSCOPY
e7t62B2[B:328-433] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CT3 ; ELECTRON MICROSCOPY
e7vuxL2[L:110-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of Fab fragment ; ligands: EDO,GOL,MG,PEG,THR ; X-RAY DIFFRACTION 1.64Å
e7rcoE2[E:113-209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
4A11.V2 Fab Light Chain ; X-RAY DIFFRACTION 2.900Å
e7b0bL2[L:109-215] Image Pymol Jmol Links: PDB, SCOP, CATH
IGK@ protein ; X-RAY DIFFRACTION 2.98Å
e7bnvL2[L:111-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light Chain ; X-RAY DIFFRACTION 2.35Å
e7dceL2[L:112-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of Fab fragment ; ELECTRON MICROSCOPY
e7dohL2[L:113-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
GD-26 Fab L-chain ; X-RAY DIFFRACTION 1.446Å
e7e6pL2[L:114-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab Heavy chain ; ligands: PEG ; X-RAY DIFFRACTION 2.5Å
e7faed2[d:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
P36-5D2 light chain ; ELECTRON MICROSCOPY
e7faeg2[g:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
P36-5D2 light chain ; ELECTRON MICROSCOPY
e7faeL2[L:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
P36-5D2 light chain ; ELECTRON MICROSCOPY
e7fafL2[L:128-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
P36-5D2 light chain ; ELECTRON MICROSCOPY
e7fafc2[c:127-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
P36-5D2 light chain ; ELECTRON MICROSCOPY
e7faff2[f:128-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
P36-5D2 light chain ; ELECTRON MICROSCOPY
e7l7rC2[C:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ADI-37801 Fab light chain ; X-RAY DIFFRACTION 2.1Å
e7lkbL2[L:110-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
m42.127 Fab light chain ; X-RAY DIFFRACTION 1.800Å
e7lkbC2[C:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
m42.127 Fab light chain ; X-RAY DIFFRACTION 1.800Å
e7lr4B2[B:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
D3_2/1.12 Fab light chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.10Å
e7m2hB2[B:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab light chain ; X-RAY DIFFRACTION 2.64Å
e7m2hE2[E:109-209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab light chain ; X-RAY DIFFRACTION 2.64Å
e7m2iB2[B:108-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Monoclonal antibody (IgG) against KcsA, Fab light chain ; X-RAY DIFFRACTION 2.69Å
e7m2jB2[B:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Monoclonal antibody (IgG) against KcsA, Fab light chain ; X-RAY DIFFRACTION 3.2Å
e7m74L2[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab light chain ; ELECTRON MICROSCOPY
e7mzgL2[L:110-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 42 light chain ; ligands: GOL ; X-RAY DIFFRACTION 2.000Å
e7mzjL2[L:110-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 93 light chain ; X-RAY DIFFRACTION 2.400Å
e7mzjM2[M:110-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PDI 93 light chain ; X-RAY DIFFRACTION 2.400Å
e7n4iL2[L:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
WRAIR-2057 Antibody Fab Light Chain ; ligands: GOL ; X-RAY DIFFRACTION 2.28Å
e7nabL2[L:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CV3-25 Fab Light Chain ; ligands: NA ; X-RAY DIFFRACTION 2.140Å
e7nabB2[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CV3-25 Fab Light Chain ; ligands: CIT,NA ; X-RAY DIFFRACTION 2.140Å
e7np1L2[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Immunoblobulin light chain ; X-RAY DIFFRACTION 2.80Å
e7np1M2[M:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Immunoblobulin light chain ; X-RAY DIFFRACTION 2.80Å
e7np1N2[N:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Immunoblobulin light chain ; X-RAY DIFFRACTION 2.80Å
e7np1O2[O:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Immunoblobulin light chain ; X-RAY DIFFRACTION 2.80Å
e7nx2A2[A:113-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAb 324 Light Chain ; X-RAY DIFFRACTION 1.47Å
e7nx2C2[C:113-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FAb 324 Light Chain ; X-RAY DIFFRACTION 1.47Å
e7nx3C2[C:112-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab324 Light Chain ; ligands: NAG ; X-RAY DIFFRACTION 2.8Å
e7nx3D2[D:112-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab324 Light Chain ; ligands: NAG ; X-RAY DIFFRACTION 2.8Å
e7ps3L2[L:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-32 light chain ; ligands: CL ; X-RAY DIFFRACTION 1.7Å
e7ps5L2[L:109-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-47 Fab light chain ; X-RAY DIFFRACTION 3.14Å
e7ps6L2[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-54 Fab light chain ; X-RAY DIFFRACTION 2.26Å
e7q0hL2[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-54 Fab light chain ; X-RAY DIFFRACTION 3.65Å
e7q0hB2[B:111-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-50 Fab light chain ; X-RAY DIFFRACTION 3.65Å
e7q9fL2[L:111-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-50 light chain ; ELECTRON MICROSCOPY
e7q9fF2[F:111-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-50 light chain ; ELECTRON MICROSCOPY
e7q9fK2[K:111-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-50 light chain ; ELECTRON MICROSCOPY
e7rd9L2[L:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody m43.159 light chain ; X-RAY DIFFRACTION 1.910Å
e7rdaL2[L:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody m43.138 light chain ; X-RAY DIFFRACTION 1.920Å
e7rdlA2[A:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PCDN-22A Fab light chain ; X-RAY DIFFRACTION 2.70Å
e7rdlC2[C:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PCDN-22A Fab light chain ; X-RAY DIFFRACTION 2.70Å
e7rp0B2[B:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
KcsA Fab chain B ; X-RAY DIFFRACTION 2.478Å
e7s0bB2[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
N-612-056 Light Chain ; X-RAY DIFFRACTION 2.9Å
e7s3nL2[L:115-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab22 Light Chain ; X-RAY DIFFRACTION 1.90Å
e7sfxD2[D:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
10A1 Fab light chain ; X-RAY DIFFRACTION 3.10Å
e7sfxB2[B:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
10A1 Fab light chain ; X-RAY DIFFRACTION 3.10Å
e7sfxH2[H:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
10A1 Fab light chain ; X-RAY DIFFRACTION 3.10Å
e7vsuC2[C:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain ; X-RAY DIFFRACTION 3.1Å
e7vsuA2[A:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain ; X-RAY DIFFRACTION 3.1Å
e7rlvB1[B:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 2.20Å
e7v5nA2[A:108-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
bevacizumab fab light chain ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.7Å
e7kpjB1[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
338E6 Fab light chain kappa ; X-RAY DIFFRACTION 2.10Å
e7sgmM2[M:112-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
5c8* Fab light chain ; X-RAY DIFFRACTION 2.000Å
e7t0rL2[L:113-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ibalizumab Light Chain ; X-RAY DIFFRACTION 3.500Å
e7wk8D2[D:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7wd8F2[F:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7tn0G1[G:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
S304 Fab light chain ; ligands: EDO ; X-RAY DIFFRACTION 2.85Å
e7qnwB1[B:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-55 light chain ; ligands: GOL ; X-RAY DIFFRACTION 2.4Å
e7rm1B2[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2E10.E9 Fab light chain ; X-RAY DIFFRACTION 3.19Å
e7rm0D2[D:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2E10.E9 Fab light chain ; X-RAY DIFFRACTION 2.71Å
e6xjqD2[D:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab HAVx Light Chain ; X-RAY DIFFRACTION 1.708Å
e7f7eL1[L:107-206] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of A5-10 Fab ; X-RAY DIFFRACTION 2.49Å
e7f9wC1[C:114-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of Fab ; ELECTRON MICROSCOPY
e7tn0D2[D:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
S309 light chain ; ligands: CL ; X-RAY DIFFRACTION 2.85Å
e7msqL1[L:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
AB-3467 Fab Light Chain ; ligands: SCN ; X-RAY DIFFRACTION 2.290Å
e7wcrb2[b:113-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S5D2 Fab ; ELECTRON MICROSCOPY
e7pqyL1[L:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FI-3A Fab light chain ; X-RAY DIFFRACTION 3.0Å
e7mrzY1[Y:337-443] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab Light Chain ; X-RAY DIFFRACTION 3.000Å
e7w9eE1[E:108-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
The light chain of 8D3 fab ; ELECTRON MICROSCOPY
e7qnwL2[L:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
EY6A light chain ; ligands: GOL ; X-RAY DIFFRACTION 2.4Å
e7rfbL1[L:107-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb1198 Light Chain ; X-RAY DIFFRACTION 2.700Å
e7pr0L1[L:114-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FD-5D Fab light chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.92Å
e7o9wB1[B:114-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
UIC2 Fab-fragment light chain ; ELECTRON MICROSCOPY
e7rfcB2[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb1382 Light Chain ; X-RAY DIFFRACTION 3.240Å
e7k7rA1[A:112-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab LC MS39p2w174 ; X-RAY DIFFRACTION 2.190Å
e7stzL2[L:114-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb-1_19A11 Light Chain ; X-RAY DIFFRACTION 2.950Å
e6xswE1[E:109-143,E:163-176] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Anti-N3 Fab Light Chain ; X-RAY DIFFRACTION 2.98Å
e7rlwB2[B:108-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 2.54Å
e7kpjD2[D:108-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
338E6 Fab light chain kappa ; X-RAY DIFFRACTION 2.10Å
e7rlvD1[D:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; ligands: EDO ; X-RAY DIFFRACTION 2.20Å
e7rlvF1[F:108-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; ligands: EDO ; X-RAY DIFFRACTION 2.20Å
e7rlwD2[D:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 2.54Å
e7rlxB1[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 1.97Å
e7rlyB1[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 2.67Å
e7rlyD1[D:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 2.67Å
e7rlyF1[F:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 2.67Å
e7rlzB1[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 2.25Å
e7rlzC2[C:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2F2 Fab light chain ; X-RAY DIFFRACTION 2.25Å
e7t0rB1[B:113-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ibalizumab Light Chain ; X-RAY DIFFRACTION 3.500Å
e7wd9F2[F:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7wd9H2[H:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7wd9J2[J:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7wdfE1[E:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7wdfG2[G:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7wk9b1[b:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7wkad2[d:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7wkab1[b:111-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Light chain of S3H3 Fab ; ELECTRON MICROSCOPY
e7rm1D1[D:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2E10.E9 Fab light chain ; X-RAY DIFFRACTION 3.19Å
e7rm3B1[B:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2E10.E9 Fab light chain ; ligands: ACT,NA ; X-RAY DIFFRACTION 2.68Å
e7rm3D1[D:108-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2E10.E9 Fab light chain ; ligands: NA ; X-RAY DIFFRACTION 2.68Å
e7qnxB1[B:110-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-55 light chain ; X-RAY DIFFRACTION 2.92Å
e7rm0F2[F:109-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2E10.E9 Fab light chain ; X-RAY DIFFRACTION 2.71Å
e7rm0B2[B:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2E10.E9 Fab light chain ; X-RAY DIFFRACTION 2.71Å
e7rm0H1[H:109-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
2E10.E9 Fab light chain ; X-RAY DIFFRACTION 2.71Å
e6xjqL1[L:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab HAVx Light Chain ; X-RAY DIFFRACTION 1.708Å
e6xjwD1[D:109-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab HAVx Light Chain ; X-RAY DIFFRACTION 1.9180Å
Previous Nexte1ogaE2[E:119-245]
nonrep
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CATH, PubMed,
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T-CELL RECEPTOR BETA CHAIN C REGION ; X-RAY DIFFRACTION 1.4Å
e1l6xA1[A:237-341]
nonrep
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IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION ; X-RAY DIFFRACTION 1.65Å
e1l6xA2[A:342-443]
nonrep
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IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION ; X-RAY DIFFRACTION 1.65Å
e1rzfL2[L:109-210]
nonrep
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FAB E51 LIGHT CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.7Å
e2h26A1[A:184-279]
nonrep
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T-CELL SURFACE GLYCOPROTEIN CD1B ; ligands: GOL ; X-RAY DIFFRACTION 1.8Å
e1uvqA1[A:85-183]
nonrep
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HLA CLASS II HISTOCOMPATIBILITY ANTIGEN ; ligands: GLY,NAG ; X-RAY DIFFRACTION 1.800Å
e1uvqB1[B:95-191]
nonrep
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HLA CLASS II HISTOCOMPATIBILITY ANTIGEN ; X-RAY DIFFRACTION 1.800Å
e1u58A1[A:145-242]
nonrep
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MHC-I HOMOLOG M144 ; X-RAY DIFFRACTION 1.9Å
e2fbjH2[H:119-220]
nonrep
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IGA-KAPPA J539 FAB (HEAVY CHAIN) ; X-RAY DIFFRACTION 1.95Å
e3fruA1[A:179-269]
nonrep
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NEONATAL FC RECEPTOR ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 2.2Å
e1dn0B2[B:121-225]
nonrep
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IGM-KAPPA COLD AGGLUTININ (HEAVY CHAIN) ; X-RAY DIFFRACTION 2.28Å
e1fp5A1[A:336-438]
nonrep
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IGE HEAVY CHAIN EPSILON-1 ; X-RAY DIFFRACTION 2.3Å
e1fp5A2[A:439-543]
nonrep
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IGE HEAVY CHAIN EPSILON-1 ; X-RAY DIFFRACTION 2.3Å
e1hdmA1[A:94-196]
nonrep
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PROTEIN (CLASS II HISTOCOMPATIBILITY ANTIGEN, M ALPHA CHAIN) ; X-RAY DIFFRACTION 2.5Å
e1hdmB1[B:88-185]
nonrep
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PROTEIN (CLASS II HISTOCOMPATIBILITY ANTIGEN, M BETA CHAIN) ; X-RAY DIFFRACTION 2.5Å
e3pl6A2[A:83-180]
nonrep
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MHC class II HLA-DQ-alpha chain ; ligands: NAG ; X-RAY DIFFRACTION 2.55Å
e1o0vA1[A:228-330]
nonrep
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Immunoglobulin heavy chain epsilon-1 ; ligands: SO4 ; X-RAY DIFFRACTION 2.6Å
e1hyrC1[C:181-274]
nonrep
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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]
nonrep
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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]
nonrep
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H-2 class II histocompatibility antigen, A-B alpha chain ; X-RAY DIFFRACTION 2.70Å
e1hxmA2[A:121-206]
nonrep
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GAMMA-DELTA T-CELL RECEPTOR ; X-RAY DIFFRACTION 3.00Å
e1hxmB2[B:124-230]
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GAMMA-DELTA T-CELL RECEPTOR ; X-RAY DIFFRACTION 3.00Å
![](/ecod/img/p.gif)
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