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1UHI

Crystal structure of i-aequorin

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0008218biological_processbioluminescence
A0046872molecular_functionmetal ion binding
B0005509molecular_functioncalcium ion binding
B0008218biological_processbioluminescence
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE CZI A 1001
ChainResidue
AHIS16
ATYR132
ATHR166
AHIS169
ATRP173
ATYR184
AHOH1045
AMET19
ATYR82
ATRP86
AILE105
ATRP108
AGLY109
ALEU112
ATRP129

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE CZI B 2001
ChainResidue
AHOH1298
BHIS16
BMET19
BLEU23
BTYR82
BTRP86
BILE105
BTRP108
BGLY109
BLEU112
BTYR132
BTHR166
BHIS169
BTYR184

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DVNHNGKISldEM
ChainResidueDetails
AASP24-MET36
AASP117-TRP129
AASP153-MET165

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues28
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448
ChainResidueDetails
AASP24
AASP153
AASP155
ASER157
AGLN159
AGLU164
BASP24
BASN26
BASN28
BLYS30
BGLU35
AASN26
BASP117
BASP119
BASN121
BGLU128
BASP153
BASP155
BSER157
BGLN159
BGLU164
AASN28
ALYS30
AGLU35
AASP117
AASP119
AASN121
AGLU128

site_idSWS_FT_FI2
Number of Residues2
DetailsSITE: Required for bioluminescence
ChainResidueDetails
APRO189
BPRO189

Catalytic Information from CSA
site_idCSA1
Number of Residues5
DetailsAnnotated By Reference To The Literature 1qv0
ChainResidueDetails
AHIS169
ATRP86
AHIS16
ATYR184
ATYR132

site_idCSA2
Number of Residues5
DetailsAnnotated By Reference To The Literature 1qv0
ChainResidueDetails
BHIS169
BTRP86
BHIS16
BTYR184
BTYR132

221716

PDB entries from 2024-06-26

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