2ZIY

Crystal structure of squid rhodopsin

?

Functional Information from GO Data

ChainGOidnamespacecontents
A0016021cellular_componentintegral component of membrane
A0004930molecular_functionG protein-coupled receptor activity
A0009881molecular_functionphotoreceptor activity
A0016918molecular_functionretinal binding
A0007602biological_processphototransduction
A0018298biological_processprotein-chromophore linkage
A0007601biological_processvisual perception
?

Functional Information from PDB Data

site_idNumber of ResiduesDetails
AC16BINDING SITE FOR RESIDUE RET A 380
ChainResidue
APHE120
ACYS186
AMET204
APHE209
ATRP274
ALYS305

AC21BINDING SITE FOR RESIDUE PLM A 381
ChainResidue
ACYS336

AC33BINDING SITE FOR RESIDUE PLM A 382
ChainResidue
ASER316
ACYS336
ACYS337

?

Functional Information from PDB atom coordinates for the "HETATM" binding sites

site_idNumber of ResiduesDetails
PLM_2ziy_A_3812PALMITIC ACID binding site
ChainResidueligand
AILE43PLM: PALMITIC ACID
ACYS336PLM: PALMITIC ACID

RET_2ziy_A_38020RETINAL binding site
ChainResidueligand
AASN87RET: RETINAL
ATYR111-GLY112RET: RETINAL
AGLY115-GLY116RET: RETINAL
APHE120RET: RETINAL
ATYR177RET: RETINAL
AASN185-PHE188RET: RETINAL
AMET204-PHE205RET: RETINAL
AGLY208-PHE209RET: RETINAL
ATRP274RET: RETINAL
ATYR277-ALA278RET: RETINAL
AVAL301RET: RETINAL
ALYS305RET: RETINAL

PLM_2ziy_A_3828PALMITIC ACID binding site
ChainResidueligand
AMET313PLM: PALMITIC ACID
ASER316-VAL317PLM: PALMITIC ACID
AVAL333-CYS337PLM: PALMITIC ACID

?

Functional Information from PROSITE/UniProt

site_idNumber of ResiduesDetails
PS0023717G-protein coupled receptors family 1 signature. [GSTALIVMFYWC]-[GSTANCPDE]-{EDPKRH}-x-{PQ}-[LIVMNQGA]-{RK}-{RK}-[LIVMFT]
ChainResidueDetails
AMET121-ILE137

PS0023817Visual pigments (opsins) retinal binding site. [LIVMFWAC]-[PSGAC]-x-{G}-x-[SAC]-K-[STALIMR]-[GSACPNV]-[STACP]-x(2)
ChainResidueDetails
ALEU299-TYR315

?

Functional Information from SwissProt/UniProt

site_idNumber of ResiduesDetails
SWS_FT_FI128Helical; Name=5; (Potential).
ChainResidueDetails
AASN199-VAL226

SWS_FT_FI227Helical; Name=2; (Potential).
ChainResidueDetails
AMET70-PHE96

SWS_FT_FI325Helical; Name=7; (Potential).
ChainResidueDetails
APRO293-SER317

SWS_FT_FI424Helical; Name=4; (Potential).
ChainResidueDetails
AALA151-GLY174

SWS_FT_FI525Helical; Name=1; (Potential).
ChainResidueDetails
ATYR33-LEU57

SWS_FT_FI624Helical; Name=6; (Potential).
ChainResidueDetails
AILE261-GLN284

SWS_FT_FI720Helical; Name=3; (Potential).
ChainResidueDetails
AGLY111-ILE130

?

Catalytic Information from CSA

site_idNumber of ResiduesDetails