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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

X: Family A G protein-coupled receptor-like
H: Family A G protein-coupled receptor-like
T: Family A G protein-coupled receptor-like
F: Bac_rhodopsin

PF01036 CL0192

Representatives:

e1m0kA1[A:5-231] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BACTERIORHODOPSIN ; ligands: LI1,RET,SQU ; X-RAY DIFFRACTION 1.43Å

e1e12A1[A:24-262] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HALORHODOPSIN ; ligands: CL,K,MPG,PLM,RET ; X-RAY DIFFRACTION 1.800Å

e1h2sA1[A:1-225] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SENSORY RHODOPSIN II ; ligands: BOG,RET ; X-RAY DIFFRACTION 1.930Å

e1xioA1[A:1-226] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ANABAENA SENSORY RHODOPSIN ; ligands: PEE,RET ; X-RAY DIFFRACTION 2.00Å

e3am6A1[A:1-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RHODOPSIN-2 ; ligands: CLR,RET ; X-RAY DIFFRACTION 3.2Å

e2l6xA1[A:18-252] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Green-light absorbing proteorhodopsin ; SOLUTION NMR

e3ddlA1[A:4-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xanthorhodopsin ; ligands: RET,SXN,UNL ; X-RAY DIFFRACTION 1.900Å

e4jq6B1[B:9-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteorhodopsin ; ligands: LI1,RET ; X-RAY DIFFRACTION 2.30Å

e3ddlB1[B:5-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Xanthorhodopsin ; ligands: PCW,PX4,RET,SXN,UNL ; X-RAY DIFFRACTION 1.900Å

e3am6B1[B:1-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RHODOPSIN-2 ; ligands: CLR,RET ; X-RAY DIFFRACTION 3.2Å

e3am6C1[C:1-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RHODOPSIN-2 ; ligands: CLR,RET ; X-RAY DIFFRACTION 3.2Å

e3am6D1[D:1-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RHODOPSIN-2 ; ligands: CLR,RET ; X-RAY DIFFRACTION 3.2Å

e4klyB1[B:21-255] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.7Å

e4knfA1[A:0-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.6Å

e4knfD1[D:1-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.6Å

e4knfE1[E:0-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.6Å

e4knfC1[C:0-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.6Å

e4klyA1[A:0-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.7Å

e4klyE1[E:0-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.7Å

e4klyC1[C:0-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.7Å

e3ug9A1[A:49-342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Archaeal-type opsin 1, Archaeal-type opsin 2 ; ligands: OLA,RET ; X-RAY DIFFRACTION 2.300Å

e4hyjA1[A:3-241] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RHODOPSIN ; ligands: LFA,RET ; X-RAY DIFFRACTION 2.3Å

e4hyjB1[B:7-243] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RHODOPSIN ; ligands: LFA,RET ; X-RAY DIFFRACTION 2.3Å

e2m3gA1[A:1-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Anabaena Sensory Rhodopsin ; SOLID-STATE NMR

e2m3gB1[B:1-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Anabaena Sensory Rhodopsin ; SOLID-STATE NMR

e2m3gC1[C:1-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Anabaena Sensory Rhodopsin ; SOLID-STATE NMR

e4jq6C2[C:9-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteorhodopsin ; ligands: RET ; X-RAY DIFFRACTION 2.30Å

e4jq6A2[A:9-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteorhodopsin ; ligands: LI1,RET ; X-RAY DIFFRACTION 2.30Å

e4klyD2[D:20-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.7Å

e4knfB2[B:21-255] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BLUE-LIGHT ABSORBING PROTEORHODOPSIN ; ligands: RET ; X-RAY DIFFRACTION 2.6Å

e4tl3A1[A:1-226] Image Pymol Jmol Links: PDB, SCOP, CATH

Anabaena sensory rhodopsin ; X-RAY DIFFRACTION 2.3Å

e4tl3B1[B:1-226] Image Pymol Jmol Links: PDB, SCOP, CATH

Anabaena sensory rhodopsin ; X-RAY DIFFRACTION 2.3Å

e4xtlA1[A:2-273] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: GOL,LFA,NA ; X-RAY DIFFRACTION 1.45Å

e4xtnA1[A:3-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnB1[B:3-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnC1[C:3-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnD1[D:4-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnE1[E:3-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnF1[F:3-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnG1[G:4-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnH1[H:3-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnI1[I:4-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtnJ1[J:3-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,MPG,NA ; X-RAY DIFFRACTION 2.2Å

e4xtoE1[E:3-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,NA ; X-RAY DIFFRACTION 2.8Å

e4xtoA1[A:4-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,NA ; X-RAY DIFFRACTION 2.8Å

e4xtoB1[B:3-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,NA ; X-RAY DIFFRACTION 2.8Å

e4xtoC1[C:4-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,NA ; X-RAY DIFFRACTION 2.8Å

e4xtoD1[D:4-269] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: LFA,NA ; X-RAY DIFFRACTION 2.8Å

e3wt8A1[A:9-244] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: OLC,RET

e3wt9A1[A:9-244] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: OLC,RET

e3wtaA1[A:9-244] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: OLC,RET

e3x3bA1[A:5-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: OLA,PEG,RET ; X-RAY DIFFRACTION 2.3Å

e3x3cA1[A:5-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: OLA,RET ; X-RAY DIFFRACTION 2.3Å

e4yziA1[A:39-328,A:333-342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sensory opsin A,Archaeal-type opsin 2 ; ligands: OLA,RET,ZN ; X-RAY DIFFRACTION 2.50Å

e5awzA1[A:2-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Rhodopsin I ; ligands: C14,D10,D12,OCT,OLB,RET ; X-RAY DIFFRACTION 1.57Å

e5ax0A1[A:2-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Rhodopsin I ; ligands: C14,D10,D12,OLB,R16,RET ; X-RAY DIFFRACTION 1.52Å

e5ax1A1[A:2-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Rhodopsin I ; ligands: C14,D10,D12,OLB,R16,RET ; X-RAY DIFFRACTION 1.80Å

e5azdA1[A:3-253] Image Pymol Jmol Links: PDB, SCOP, CATH

Bacteriorhodopsin ; X-RAY DIFFRACTION 2.8Å

e5azdB1[B:3-252] Image Pymol Jmol Links: PDB, SCOP, CATH

Bacteriorhodopsin ; X-RAY DIFFRACTION 2.8Å

e5azdD1[D:4-253] Image Pymol Jmol Links: PDB, SCOP, CATH

Bacteriorhodopsin ; X-RAY DIFFRACTION 2.8Å

e5azdC1[C:4-254] Image Pymol Jmol Links: PDB, SCOP, CATH

Bacteriorhodopsin ; X-RAY DIFFRACTION 2.8Å

e5b2nA1[A:2-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chloride pumping rhodopsin ; ligands: CL,D10,D12,HEX,OCT,RET ; X-RAY DIFFRACTION 1.580Å

e5g28A1[A:2-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHLORIDE PUMPING RHODOPSIN ; X-RAY DIFFRACTION 1.57Å

e5g2aA1[A:2-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHLORIDE PUMPING RHODOPSIN ; X-RAY DIFFRACTION 2.17Å

e5g2cA1[A:-2-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHLORIDE PUMPING RHODOPSIN ; X-RAY DIFFRACTION 2.30Å

e5g2dA1[A:-1-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHLORIDE PUMP RHODOPSIN ; X-RAY DIFFRACTION 1.75Å

e5g54A1[A:-2-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Chloride pumping rhodopsin ; X-RAY DIFFRACTION 2.00Å

e5fjgA1[A:-2-266] Image Pymol Jmol Links: PDB, SCOP, CATH

CHLORIDE PUMPING RHODOPSIN ; ligands: ANR,CL,OLA ; X-RAY DIFFRACTION 2.00Å

e5jsiA1[A:2-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacteriorhodopsin ; ligands: IOD,LFA,OLC ; X-RAY DIFFRACTION 2.0Å

e5jsiB1[B:2-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacteriorhodopsin ; ligands: IOD,LFA,OLC ; X-RAY DIFFRACTION 2.0Å

e5uk6A1[A:1-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacteriorhodopsin ; SOLID-STATE NMR

e5uk6B1[B:1-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacteriorhodopsin ; SOLID-STATE NMR

e5uk6C1[C:1-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacteriorhodopsin ; SOLID-STATE NMR

e5jrfA1[A:3-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sodium pumping rhodopsin ; ligands: IOD,LFA ; X-RAY DIFFRACTION 2.35Å

e6eyuA1[A:1-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Bacteriorhodopsin ; ligands: LFA,MUN,RET ; X-RAY DIFFRACTION 2.500Å

e7zn3A1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

xenorhodopsin ; ligands: LFA,NA,OLA,PO4 ; X-RAY DIFFRACTION 1.6Å

e7zn3B1[B:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

xenorhodopsin ; ligands: LFA,NA,OLA ; X-RAY DIFFRACTION 1.6Å

e7zneA1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH

xenorhodopsin ; ligands: LFA,OLA ; X-RAY DIFFRACTION 2.1Å

e7zniA1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH

xenorhodopsin ; ligands: LFA,OLA ; X-RAY DIFFRACTION 2.2Å

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

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

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