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4XB4

Structure of the N-terminal domain of OCP binding canthaxanthin

Functional Information from GO Data
ChainGOidnamespacecontents
A0016037biological_processlight absorption
A0030089cellular_componentphycobilisome
A0031404molecular_functionchloride ion binding
B0016037biological_processlight absorption
B0030089cellular_componentphycobilisome
B0031404molecular_functionchloride ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue 45D A 201
ChainResidue
AGLU34
AMET117
APRO126
ATYR129
AHOH324
ALEU37
AILE40
ATRP41
ATYR44
ATHR80
AMET83
AASN104
ATRP110

site_idAC2
Number of Residues20
Detailsbinding site for residue 45D B 201
ChainResidue
AHOH384
BGLU34
BLEU37
BILE40
BTRP41
BTYR44
BTHR52
BGLY57
BALA59
BTHR80
BMET83
BASN104
BTRP110
BGLY114
BMET117
BTYR129
BILE151
BHOH386
BHOH410
BHOH426

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues22
DetailsBinding site: {"description":"only in form RCP","evidences":[{"source":"PubMed","id":"26113721","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues34
DetailsBinding site: {"description":"in forms OCP and RCP","evidences":[{"source":"PubMed","id":"20368334","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26113721","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues20
DetailsBinding site: {"description":"residues alter contact in forms OCP and RCP","evidences":[{"source":"PubMed","id":"20368334","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26113721","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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