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
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
e7zf5G1[G:124-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-12 heavy chain ; X-RAY DIFFRACTION 5.3Å
e7zf6H1[H:124-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-12 heavy chain ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.2Å
e7sjmH1[H:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.8Å
e7sjoE2[E:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab15H6.v4 Heavy Chain ; ELECTRON MICROSCOPY
e7sjoH1[H:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab15H6.v4 Heavy Chain ; ELECTRON MICROSCOPY
e7sjoI1[I:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab15H6.v4 Heavy Chain ; ELECTRON MICROSCOPY
e7sjpH1[H:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.1Å
e7u0eA2[A:127-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain Fab C13C9 ; X-RAY DIFFRACTION 2.1Å
e7u0eH1[H:127-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain Fab C13C9 ; X-RAY DIFFRACTION 2.1Å
e7u2dH2[H:114-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ADG20 heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.750Å
e7u2eH1[H:114-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ADI-55688 heavy chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.850Å
e8d6zC1[C:122-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutralizing antibody COV91-27 heavy chain ; X-RAY DIFFRACTION 2.300Å
e7uelH2[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain Fab of antibody JEC1 ; ligands: CL ; X-RAY DIFFRACTION 1.900Å
e7uemD2[D:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain Fab arm of antibody HKB7 ; ligands: CL ; X-RAY DIFFRACTION 2.310Å
e7uemH2[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain Fab arm of antibody HKB7 ; ligands: CL ; X-RAY DIFFRACTION 2.310Å
e7wo4D1[D:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo4F1[F:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo4H2[H:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo4M1[M:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo4O2[O:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo4Q1[Q:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo5D1[D:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo5F2[F:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo5H1[H:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7wo7A1[A:120-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
mAb15 VH ; ELECTRON MICROSCOPY
e7sbdH1[H:116-209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab/IgE Heavy chain ; X-RAY DIFFRACTION 3.04Å
e7sbgH1[H:116-209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab/IgE Heavy chain ; X-RAY DIFFRACTION 3.23Å
e7sd2H2[H:116-207] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain Antibody IgE/Fab anti-profilin Hev b 8 ; X-RAY DIFFRACTION 3.75Å
e7sd2A2[A:116-207] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain Antibody IgE/Fab anti-profilin Hev b 8 ; X-RAY DIFFRACTION 3.75Å
e7sd2C1[C:116-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy Chain Antibody IgE/Fab anti-profilin Hev b 8 ; X-RAY DIFFRACTION 3.75Å
e7ucfH1[H:132-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
10-1074 Fab heavy chain ; X-RAY DIFFRACTION 3.8Å
e7ul3H1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
NabFab HC ; ELECTRON MICROSCOPY
e7x6lG1[G:131-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of antibody 12 fab ; ELECTRON MICROSCOPY
e7x6lH2[H:131-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of antibody 12 fab ; ELECTRON MICROSCOPY
e7x6oC1[C:131-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of antibody 12 fab ; ELECTRON MICROSCOPY
e7x6oI1[I:131-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of antibody 12 fab ; ELECTRON MICROSCOPY
e7x6oJ1[J:131-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of antibody 12 fab ; ELECTRON MICROSCOPY
e7sd5H1[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
10-40 Heavy chain ; X-RAY DIFFRACTION 1.53Å
e7ttxH2[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1040 heavy chain ; X-RAY DIFFRACTION 2.670Å
e7ttyH2[H:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1040 heavy chain ; X-RAY DIFFRACTION 3.11Å
e7zf5H1[H:127-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-54 heavy chain ; X-RAY DIFFRACTION 5.3Å
e7zf5B2[B:127-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Beta-54 heavy chain ; X-RAY DIFFRACTION 5.3Å
e7unbF1[F:114-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RUPA-117 Fab heavy chain ; X-RAY DIFFRACTION 2.18Å
e7n6pH2[H:125-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1C3 Fab heavy chain ; X-RAY DIFFRACTION 2.15Å
e7n6pA2[A:125-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1C3 Fab heavy chain ; X-RAY DIFFRACTION 2.15Å
e7qf1C1[C:125-225] Image Pymol Jmol Links: PDB, SCOP, CATH
CV2.6264 heavy chain ; X-RAY DIFFRACTION 2.800Å
e7qf1E1[E:125-225] Image Pymol Jmol Links: PDB, SCOP, CATH
CV2.6264 heavy chain ; X-RAY DIFFRACTION 2.800Å
e7rxjA2[A:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab236 heavy chain ; X-RAY DIFFRACTION 2.345Å
e7ums42[4:127-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 41 heavy chain ; ELECTRON MICROSCOPY
e7ums61[6:127-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab 41 heavy chain ; ELECTRON MICROSCOPY
e7u0cA1[A:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEPC3.4 Fab Heavy Chain ; X-RAY DIFFRACTION 3.300Å
e7u0cC2[C:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEPC3.4 Fab Heavy Chain ; X-RAY DIFFRACTION 3.300Å
e7u0cH1[H:114-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEPC3.4 Fab Heavy Chain ; X-RAY DIFFRACTION 3.300Å
e7v5jE2[E:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH
0722 H ; ELECTRON MICROSCOPY
e7v5jG2[G:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH
0722 H ; ELECTRON MICROSCOPY
e7v5jI1[I:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH
0722 H ; ELECTRON MICROSCOPY
e7v5kE2[E:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH
0722 H ; ELECTRON MICROSCOPY
e7v5kG2[G:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH
0722 H ; ELECTRON MICROSCOPY
e7v5kI1[I:124-222] Image Pymol Jmol Links: PDB, SCOP, CATH
0722 H ; ELECTRON MICROSCOPY
e7ydiH1[H:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of R1-32 ; ELECTRON MICROSCOPY
e7ydyH1[H:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of R1-32 Fab ; ELECTRON MICROSCOPY
e7ye5H1[H:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of R1-32 Fab ; ELECTRON MICROSCOPY
e7ye9H2[H:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of R1-32 Fab ; ELECTRON MICROSCOPY
e7ye9G1[G:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of R1-32 Fab ; ELECTRON MICROSCOPY
e7ye9N2[N:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of R1-32 Fab ; ELECTRON MICROSCOPY
e7yegH1[H:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of R1-32 Fab ; ELECTRON MICROSCOPY
e7yegG1[G:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of R1-32 Fab ; ELECTRON MICROSCOPY
e7yegN2[N:125-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
heavy chain of R1-32 Fab ; ELECTRON MICROSCOPY
e7lo7H1[H:156-255] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab25 Heavy Chain ; ELECTRON MICROSCOPY
e7pg8B1[B:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANT05 H12 fab fragment, heavy chain ; X-RAY DIFFRACTION 4.46Å
e7pg8F1[F:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANT05 H12 fab fragment, heavy chain ; X-RAY DIFFRACTION 4.46Å
e7pg8I2[I:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANT05 H12 fab fragment, heavy chain ; X-RAY DIFFRACTION 4.46Å
e7pg8L1[L:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANT05 H12 fab fragment, heavy chain ; X-RAY DIFFRACTION 4.46Å
e7pg8N2[N:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANT05 H12 fab fragment, heavy chain ; X-RAY DIFFRACTION 4.46Å
e7pg8R1[R:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANT05 H12 fab fragment, heavy chain ; X-RAY DIFFRACTION 4.46Å
e7pg8U1[U:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANT05 H12 fab fragment, heavy chain ; X-RAY DIFFRACTION 4.46Å
e7pg8X1[X:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ANT05 H12 fab fragment, heavy chain ; X-RAY DIFFRACTION 4.46Å
e7pklH1[H:121-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
trastuzumab Heavy Chain ; X-RAY DIFFRACTION 2.345Å
e7x9eA2[A:124-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
76E1 Fab Heavy Chain ; X-RAY DIFFRACTION 2.60Å
e7x9eC2[C:124-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
76E1 Fab Heavy Chain ; X-RAY DIFFRACTION 2.60Å
e7mu4H1[H:111-222] Image Pymol Jmol Links: PDB, SCOP, CATH
D24.M01 Fab Heavy Chain ; ligands: PEG ; X-RAY DIFFRACTION 1.83Å
e7sg5H2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH
CIS43_Var2 Fab Heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.40Å
e7sg6H2[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH
CIS43_Var10 Fab Heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 1.55Å
e7te6G2[G:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab5 heavy chain ; X-RAY DIFFRACTION 4.54Å
e7terH1[H:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab5 heavy chain ; ELECTRON MICROSCOPY
e7terM2[M:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab5 heavy chain ; ELECTRON MICROSCOPY
e7tesH2[H:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab5 heavy chain ; ELECTRON MICROSCOPY
e7tesM1[M:120-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab5 heavy chain ; ELECTRON MICROSCOPY
e7zwiB1[B:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
32F3 heavy chain ; X-RAY DIFFRACTION 1.90Å
e7zwiE1[E:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
32F3 heavy chain ; X-RAY DIFFRACTION 1.90Å
e7zwmB1[B:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
32F3 heavy chain ; X-RAY DIFFRACTION 3.69Å
e7zwmG1[G:121-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
32F3 heavy chain ; X-RAY DIFFRACTION 3.69Å
e7mw2H1[H:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab of antibody clone 6, heavy chain ; ELECTRON MICROSCOPY
e7mw2F1[F:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab of antibody clone 6, heavy chain ; ELECTRON MICROSCOPY
e7mw3H2[H:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab of antibody clone 6, heavy chain ; ELECTRON MICROSCOPY
e7mw3F2[F:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab of antibody clone 6, heavy chain ; ELECTRON MICROSCOPY
e7mw3D1[D:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab of antibody clone 6, heavy chain ; ELECTRON MICROSCOPY
e7mw4H1[H:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab of antibody clone 6, heavy chain ; ELECTRON MICROSCOPY
e7mw4D2[D:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab of antibody clone 6, heavy chain ; ELECTRON MICROSCOPY
e7mw4F2[F:138-237] Image Pymol Jmol Links: PDB, SCOP, CATH
Fab of antibody clone 6, heavy chain ; ELECTRON MICROSCOPY
e7zxfC2[C:112-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
85RF45.1 light chain ; X-RAY DIFFRACTION 3.72Å
e7s5rB2[B:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CV07-287 Heavy chain ; ligands: EDO ; X-RAY DIFFRACTION 2.450Å
e7sfvO1[O:123-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
hVEEV-63 Fab heavy chain ; ELECTRON MICROSCOPY
e7sfvQ2[Q:123-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
hVEEV-63 Fab heavy chain ; ELECTRON MICROSCOPY
e7sfvS1[S:123-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
hVEEV-63 Fab heavy chain ; ELECTRON MICROSCOPY
e7u0dO1[O:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of SARS-CoV-2 antibody B1-182.1 ; ELECTRON MICROSCOPY
e7fjcH1[H:123-222] Image Pymol Jmol Links: PDB, SCOP, CATH
P36-5D2 heavy chain ; X-RAY DIFFRACTION 2.96Å
e7t7bH1[H:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ADI-62113 Fab heavy chain ; X-RAY DIFFRACTION 2.59Å
e7vyrA2[A:116-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
D27 heavy chain ; X-RAY DIFFRACTION 2.2Å
e7zfbA2[A:126-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-31 heavy chain ; X-RAY DIFFRACTION 3.08Å
e7zfbC1[C:126-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-31 heavy chain ; X-RAY DIFFRACTION 3.08Å
e7zfcH2[H:126-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-31 heavy chain ; X-RAY DIFFRACTION 3.24Å
e7sueH1[H:128-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
S24-188 Fab Heavy chain ; X-RAY DIFFRACTION 2.90Å
e7sueB2[B:128-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
S24-188 Fab Heavy chain ; X-RAY DIFFRACTION 2.90Å
e7v3lD2[D:128-229] Image Pymol Jmol Links: PDB, SCOP, CATH
antibody H ; ELECTRON MICROSCOPY
e7v3lF1[F:128-229] Image Pymol Jmol Links: PDB, SCOP, CATH
antibody H ; ELECTRON MICROSCOPY
e7v3lH1[H:128-229] Image Pymol Jmol Links: PDB, SCOP, CATH
antibody H ; ELECTRON MICROSCOPY
e7zxfB2[B:120-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
85RF45.1 heavy chain ; X-RAY DIFFRACTION 3.72Å
e7ra7H1[H:114-211] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
11A Fab heavy chain ; X-RAY DIFFRACTION 2.2Å
e7ra7A2[A:114-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
11A Fab heavy chain ; X-RAY DIFFRACTION 2.2Å
e7rptA2[A:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH
3A6 Fab heavy chain ; X-RAY DIFFRACTION 2.5Å
e7rptC2[C:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH
3A6 Fab heavy chain ; X-RAY DIFFRACTION 2.5Å
e7rptE1[E:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH
3A6 Fab heavy chain ; X-RAY DIFFRACTION 2.5Å
e7rptG1[G:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH
3A6 Fab heavy chain ; X-RAY DIFFRACTION 2.5Å
e7rpuA2[A:116-216] Image Pymol Jmol Links: PDB, SCOP, CATH
3A6 Fab heavy chain ; X-RAY DIFFRACTION 1.27Å
e7zf4H2[H:123-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-9 heavy chain ; X-RAY DIFFRACTION 4.18Å
e7v6nE2[E:131-227] Image Pymol Jmol Links: PDB, SCOP, CATH
111 H ; ELECTRON MICROSCOPY
e7v6nG2[G:131-227] Image Pymol Jmol Links: PDB, SCOP, CATH
111 H ; ELECTRON MICROSCOPY
e7v6nI2[I:131-227] Image Pymol Jmol Links: PDB, SCOP, CATH
111 H ; ELECTRON MICROSCOPY
e7so5H1[H:123-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab B2 HC ; X-RAY DIFFRACTION 1.79Å
e7szuH2[H:126-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BL3-6 Fab heavy chain ; X-RAY DIFFRACTION 2.239Å
e7rfpI1[I:136-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DTA-1 (heavy chain) ; ELECTRON MICROSCOPY
e7mx8H2[H:114-215] Image Pymol Jmol Links: PDB, SCOP, CATH
E7M03 Fab Heavy Chain ; X-RAY DIFFRACTION 2.02Å
e7u0bH1[H:114-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
HEPC3.1 Fab Heavy Chain ; X-RAY DIFFRACTION 2.790Å
e8d36H1[H:119-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Neutralizing antibody COV44-62 heavy chain ; X-RAY DIFFRACTION 1.45Å
e7u04H1[H:108-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IOMA class antibody ACS101 heavy chain ; ligands: GOL ; X-RAY DIFFRACTION 2.31Å
e7tuyH1[H:128-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
anti-BRIL Fab Heavy chain ; ELECTRON MICROSCOPY
e7mlhC1[C:120-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgE Heavy chain ; X-RAY DIFFRACTION 2.097Å
e7mlhE2[E:120-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgE Heavy chain ; X-RAY DIFFRACTION 2.097Å
e7strH1[H:123-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab S24-1063, Heavy chain ; ligands: EDO ; X-RAY DIFFRACTION 1.50Å
e7stsA1[A:118-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab S24-1379, heavy chain ; X-RAY DIFFRACTION 2.16Å
e7stsH1[H:118-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab S24-1379, heavy chain ; X-RAY DIFFRACTION 2.16Å
e7r8uHHH1[HHH:130-230] Image Pymol Jmol Links: PDB, SCOP, CATH
Antigen binding fragment, Vh and Ch1 ; X-RAY DIFFRACTION 1.9Å
e7zfeM1[M:117-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-32 heavy chain ; X-RAY DIFFRACTION 3.25Å
e7zfeJ2[J:117-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-32 heavy chain ; X-RAY DIFFRACTION 3.25Å
e7zfeH2[H:117-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-32 heavy chain ; X-RAY DIFFRACTION 3.25Å
e7zfeF2[F:117-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Omi-32 heavy chain ; X-RAY DIFFRACTION 3.25Å
e7u8mN1[N:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody FluA-20 Fab heavy chain ; X-RAY DIFFRACTION 5.39Å
e7u8mQ1[Q:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody FluA-20 Fab heavy chain ; X-RAY DIFFRACTION 5.39Å
e7u8mT2[T:114-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
antibody FluA-20 Fab heavy chain ; X-RAY DIFFRACTION 5.39Å
e7tusA2[A:119-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody Heavy Chain ; X-RAY DIFFRACTION 2.4Å
e7tusC1[C:119-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody Heavy Chain ; X-RAY DIFFRACTION 2.4Å
e7tusE1[E:119-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody Heavy Chain ; X-RAY DIFFRACTION 2.4Å
e7tusG2[G:119-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Antibody Heavy Chain ; X-RAY DIFFRACTION 2.4Å
e7n0aB2[B:119-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MSC-1 Fab Heavy chain ; X-RAY DIFFRACTION 3.10Å
e7y0gB2[B:115-216] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
15-2b heavy chain ; X-RAY DIFFRACTION 2.08Å
e7y0gE1[E:115-214] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
15-2b heavy chain ; X-RAY DIFFRACTION 2.08Å
e7y0gH2[H:115-216] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
15-2b heavy chain ; X-RAY DIFFRACTION 2.08Å
e7y0gK1[K:115-214] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
15-2b heavy chain ; X-RAY DIFFRACTION 2.08Å
e7wkxB2[B:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Heavy chain of HB0017 Fab ; ligands: ACY ; X-RAY DIFFRACTION 2.80Å
e7v3jH1[H:123-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab_C10_heavy_chain ; ELECTRON MICROSCOPY
e7v3jI2[I:123-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab_C10_heavy_chain ; ELECTRON MICROSCOPY
e7q3pA1[A:342-445] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgG1-Fc-MST-HN ; X-RAY DIFFRACTION 2.097Å
e8ds5C1[C:116-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
MK-5890 Fab heavy chain ; ligands: CD ; X-RAY DIFFRACTION 1.926Å
e7ut3H1[H:118-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab protein heavy chain ; X-RAY DIFFRACTION 3.0Å
e7s7iW2[W:121-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.40Å
e7sbzA1[A:123-224] Image Pymol Jmol Links: PDB, SCOP, CATH
JAR5 Heavy Chain ; X-RAY DIFFRACTION 2.9Å
e7y0vH1[H:127-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
5549-Fab ; X-RAY DIFFRACTION 2.480Å
e7y0cA2[A:119-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BD55-1403 Fab heavy chain ; X-RAY DIFFRACTION 2.94Å
e8e7mH1[H:122-222] Image Pymol Jmol Links: PDB, SCOP, CATHDOI
05B04 Heavy Chain ; ELECTRON MICROSCOPY
e7ti6H1[H:114-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PCT64_LMCA Fab heavy chain ; X-RAY DIFFRACTION 2.64Å
e7v6oE2[E:131-227] Image Pymol Jmol Links: PDB, SCOP, CATH
111 H ; ELECTRON MICROSCOPY
e7q15E1[E:342-444] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgG1-Fc-MST-HN ; X-RAY DIFFRACTION 3.146Å
e7q15F2[F:342-444] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgG1-Fc-MST-HN ; X-RAY DIFFRACTION 3.146Å
e7q3pB1[B:342-444] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgG1-Fc-MST-HN ; X-RAY DIFFRACTION 2.097Å
e7q3pC1[C:342-444] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgG1-Fc-MST-HN ; X-RAY DIFFRACTION 2.097Å
e7s7iY2[Y:121-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.40Å
e7sa6H1[H:123-221] Image Pymol Jmol Links: PDB, SCOP, CATH
JAR5 Heavy Chain ; X-RAY DIFFRACTION 2.9Å
e7sbzH1[H:123-223] Image Pymol Jmol Links: PDB, SCOP, CATH
JAR5 Heavy Chain ; ligands: CD ; X-RAY DIFFRACTION 2.9Å
e7s7iH1[H:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.40Å
e7s7iI1[I:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.40Å
e7s7iJ1[J:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.40Å
e7s7iU2[U:121-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Fab heavy chain ; X-RAY DIFFRACTION 2.40Å
e7y0cM2[M:119-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BD55-1403 Fab heavy chain ; X-RAY DIFFRACTION 2.94Å
e7v6oI1[I:131-227] Image Pymol Jmol Links: PDB, SCOP, CATH
111 H ; ELECTRON MICROSCOPY
e7v6oG2[G:131-227] Image Pymol Jmol Links: PDB, SCOP, CATH
111 H ; ELECTRON MICROSCOPY
e8fbwD2[D:112-216] Image Pymol Jmol Links: PDB, SCOP, CATH
Light chain of anti-SIV V2 antibody NCI05 ; X-RAY DIFFRACTION 2.35Å
e8fbwB1[B:112-214] Image Pymol Jmol Links: PDB, SCOP, CATH
Light chain of anti-SIV V2 antibody NCI05 ; X-RAY DIFFRACTION 2.35Å
e8adyH1[H:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8adyQ2[Q:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8adzH2[H:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8adzU2[U:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8ae0H2[H:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8ae0Q2[Q:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8ae2H1[H:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8ae2Q2[Q:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8ae3H1[H:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e8ae3Q1[Q:121-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
IgM Fab, heavy chain ; ELECTRON MICROSCOPY
e7vtjL2[L:117-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Light chain of Fab ; X-RAY DIFFRACTION 1.90Å
e7uvlH2[H:120-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Immunoglobulin alpha-1 heavy chain ; ELECTRON MICROSCOPY
Previous Nexte1rzfL2[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
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
![](/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