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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


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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: Nicotinic receptor ligand binding domain-like
T: Nicotinic receptor ligand binding domain-like
F: Neur_chan_LBD

PF02931

Representatives:

e1uw6A1[A:0-207] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ACETYLCHOLINE-BINDING PROTEIN ; ligands: NCT ; X-RAY DIFFRACTION 2.2Å

e6pluA2[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6pluB1[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6pluC1[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6pluD2[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6pluE1[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plvA1[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plvB1[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plvC1[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plvD2[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plvE1[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plwA1[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plwB2[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plwC2[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plwD1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plwE1[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plxA2[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plxB1[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plxC2[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plxD2[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plxE2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plyA1[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plyB2[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plyC2[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plyD1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plyE2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plzA1[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plzB2[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plzC1[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plzD1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6plzE2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: ABU ; ELECTRON MICROSCOPY

e6pm0A2[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm0B1[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm0C2[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm0D1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm0E2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm1A1[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm1B2[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm1C2[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm1D1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm1E2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm2A2[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm2B2[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm2C2[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm2D2[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm2E2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm3A1[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm3B1[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm3C2[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm3D1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm3E2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: TAU ; ELECTRON MICROSCOPY

e6pm4A1[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm4B2[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm4C1[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm4D1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm4E1[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm5A2[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm5B1[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm5C1[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm5D1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm5E2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm6A1[A:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm6D1[D:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm6B2[B:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm6C2[C:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pm6E2[E:23-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ligands: GLY ; ELECTRON MICROSCOPY

e6pxdE1[E:25-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ELECTRON MICROSCOPY

e6pxdA1[A:25-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ELECTRON MICROSCOPY

e6pxdB2[B:25-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ELECTRON MICROSCOPY

e6pxdC1[C:25-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ELECTRON MICROSCOPY

e6pxdD2[D:25-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glycine receptor subunit alphaZ1 ; ELECTRON MICROSCOPY

e6w1jA1[A:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S7Y ; ELECTRON MICROSCOPY

e6w1jB2[B:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S7Y ; ELECTRON MICROSCOPY

e6w1jC1[C:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S7Y ; ELECTRON MICROSCOPY

e6w1jD1[D:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S7Y ; ELECTRON MICROSCOPY

e6w1jE2[E:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S7Y ; ELECTRON MICROSCOPY

e6w1mA1[A:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S87 ; ELECTRON MICROSCOPY

e6w1mB2[B:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S87 ; ELECTRON MICROSCOPY

e6w1mC2[C:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S87 ; ELECTRON MICROSCOPY

e6w1mD1[D:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S87 ; ELECTRON MICROSCOPY

e6w1mE1[E:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: S87 ; ELECTRON MICROSCOPY

e6w1yA1[A:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: O7B ; ELECTRON MICROSCOPY

e6w1yB2[B:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: O7B ; ELECTRON MICROSCOPY

e6w1yC2[C:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: O7B ; ELECTRON MICROSCOPY

e6w1yD1[D:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: O7B ; ELECTRON MICROSCOPY

e6w1yE1[E:7-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: O7B ; ELECTRON MICROSCOPY

e6y59A1[A:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y59B1[B:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y59C1[C:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y59D2[D:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y59E2[E:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y5aA2[A:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: SRO ; ELECTRON MICROSCOPY

e6y5aC2[C:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: SRO ; ELECTRON MICROSCOPY

e6y5aD2[D:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: SRO ; ELECTRON MICROSCOPY

e6y5aB1[B:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: SRO ; ELECTRON MICROSCOPY

e6y5aE1[E:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ligands: SRO ; ELECTRON MICROSCOPY

e6y5bA2[A:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y5bB1[B:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y5bC1[C:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y5bD2[D:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e6y5bE2[E:8-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

5-hydroxytryptamine receptor 3A ; ELECTRON MICROSCOPY

e7ndvH1[H:20-231] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: NAG,SO4,U8Q ; X-RAY DIFFRACTION 1.70Å

e7kooA2[A:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,NAG ; ELECTRON MICROSCOPY

e6m4xA1[A:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.99Å

e7ndpG1[G:20-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: NAG,SO4,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndvB1[B:20-228] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: NAG,U8Q ; X-RAY DIFFRACTION 1.70Å

e7ndvG1[G:20-229] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: NAG,SO4,U8Q ; X-RAY DIFFRACTION 1.70Å

e7ndpA1[A:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: GOL,NAG,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndpB1[B:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: GOL,NAG,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndpC1[C:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: NAG,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndpD1[D:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: GOL,NAG,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndpE1[E:20-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: GOL,NAG,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndpF1[F:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: NAG,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndpH1[H:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: CL,NAG,SO4,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndpI1[I:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: CL,NAG,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndpJ1[J:20-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: CL,NAG,U8T ; X-RAY DIFFRACTION 2.0Å

e7ndvA1[A:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: NAG,U8Q ; X-RAY DIFFRACTION 1.70Å

e7ndvC1[C:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: NAG,U8Q ; X-RAY DIFFRACTION 1.70Å

e7ndvD1[D:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: NAG,SO4,U8Q ; X-RAY DIFFRACTION 1.70Å

e7ndvE1[E:20-223] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: SO4,U8Q ; X-RAY DIFFRACTION 1.70Å

e7ndvF1[F:20-223] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: NAG,SO4,U8Q ; X-RAY DIFFRACTION 1.70Å

e7ndvI1[I:20-224] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: SO4,U8Q ; X-RAY DIFFRACTION 1.70Å

e7ndvJ1[J:20-223] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetylcholine-binding protein ; ligands: SO4,U8Q ; X-RAY DIFFRACTION 1.70Å

e7kooB2[B:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,NAG ; ELECTRON MICROSCOPY

e7kooC2[C:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,NAG ; ELECTRON MICROSCOPY

e7kooD2[D:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,NAG ; ELECTRON MICROSCOPY

e7kooE1[E:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,NAG ; ELECTRON MICROSCOPY

e7koqA2[A:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koqB1[B:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koqC1[C:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koqD1[D:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koqE1[E:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koxA2[A:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koxB2[B:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koxC1[C:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koxD1[D:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e7koxE1[E:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7,Soluble cytochrome b562 fusion ; ligands: CA,EPJ,NAG ; ELECTRON MICROSCOPY

e6m4xB1[B:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.99Å

e6m4xD1[D:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.99Å

e6m4xG1[G:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.99Å

e6m4xI1[I:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.99Å

e6m4zA1[A:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.680Å

e6m4zB1[B:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.680Å

e6m4zD1[D:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.680Å

e6m4zG1[G:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.680Å

e6m4zI1[I:0-206] Image Pymol Jmol Links: PDB, SCOP, CATH

Soluble acetylcholine receptor ; X-RAY DIFFRACTION 2.680Å

e6zgdA1[A:5-183] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e7l6qA1[A:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7ekpA1[A:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e6zgdB2[B:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgdC2[C:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgdD2[D:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgdE2[E:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgjA2[A:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgjB1[B:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgjC1[C:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgjD1[D:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgjE1[E:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgkA2[A:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgkB1[B:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgkC1[C:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgkD1[D:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e6zgkE2[E:5-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proton-gated ion channel ; ELECTRON MICROSCOPY

e7l6qB2[B:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7l6qC2[C:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7l6qD1[D:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7l6qE2[E:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7l6uA2[A:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7l6uB1[B:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7l6uC2[C:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7l6uD1[D:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7l6uE2[E:11-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric-acid receptor subunit beta-1 ; ELECTRON MICROSCOPY

e7ekiA2[A:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: NAG ; ELECTRON MICROSCOPY

e7ekiB1[B:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: NAG ; ELECTRON MICROSCOPY

e7ekiC1[C:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: NAG ; ELECTRON MICROSCOPY

e7ekiD2[D:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: NAG ; ELECTRON MICROSCOPY

e7ekiE1[E:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: NAG ; ELECTRON MICROSCOPY

e7ekpB1[B:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e7ekpC1[C:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e7ekpD2[D:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e7ekpE2[E:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e7ektA1[A:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e7ektB2[B:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e7ektC2[C:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e7ektD1[D:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e7ektE2[E:23-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Neuronal acetylcholine receptor subunit alpha-7 ; ligands: I33,NAG ; ELECTRON MICROSCOPY

e6qfaB1[B:8-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric acid receptor subunit beta-3,Gamma-aminobutyric acid receptor subunit beta-3 ; ligands: HSM,NAG ; ELECTRON MICROSCOPY

e7kuyA1[A:15-229] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Glycine receptor subunit alpha-2 ; ligands: NAG,SY9 ; ELECTRON MICROSCOPY

e7kuyB1[B:15-229] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Glycine receptor subunit alpha-2 ; ligands: NAG,SY9 ; ELECTRON MICROSCOPY

e7kuyC1[C:15-229] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Glycine receptor subunit alpha-2 ; ligands: NAG,SY9 ; ELECTRON MICROSCOPY

e7kuyD1[D:15-229] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Glycine receptor subunit alpha-2 ; ligands: NAG,SY9 ; ELECTRON MICROSCOPY

e7l31A1[A:15-229] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Glycine receptor subunit alpha-2 ; ligands: NAG,SY9 ; ELECTRON MICROSCOPY

e7l31B1[B:15-229] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Glycine receptor subunit alpha-2 ; ligands: NAG,SY9 ; ELECTRON MICROSCOPY

e7l31C1[C:15-229] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Glycine receptor subunit alpha-2 ; ligands: NAG,SY9 ; ELECTRON MICROSCOPY

e7l31D1[D:15-229] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Glycine receptor subunit alpha-2 ; ligands: NAG,SY9 ; ELECTRON MICROSCOPY

e6qfaC1[C:8-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric acid receptor subunit beta-3,Gamma-aminobutyric acid receptor subunit beta-3 ; ligands: HSM,NAG ; ELECTRON MICROSCOPY

e6qfaD1[D:8-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric acid receptor subunit beta-3,Gamma-aminobutyric acid receptor subunit beta-3 ; ligands: HSM,NAG ; ELECTRON MICROSCOPY

e6qfaE1[E:8-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric acid receptor subunit beta-3,Gamma-aminobutyric acid receptor subunit beta-3 ; ligands: HSM,NAG ; ELECTRON MICROSCOPY

e6qfaA1[A:8-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gamma-aminobutyric acid receptor subunit beta-3,Gamma-aminobutyric acid receptor subunit beta-3 ; ligands: HSM,NAG ; ELECTRON MICROSCOPY

e7djiA1[A:1-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: H8U,NAG ; X-RAY DIFFRACTION 2.200Å

e7djiB1[B:1-206] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine-binding protein ; ligands: H8U,NAG ; X-RAY DIFFRACTION 2.200Å

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e4bog21[2:1-209] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetylcholine receptor subunit alpha ; ELECTRON MICROSCOPY

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