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4MRX

Crystal Structure of Y138F obelin mutant from Obelia longissima at 1.72 Angstrom resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0008218biological_processbioluminescence
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE CZH A 201
ChainResidue
AHIS22
APHE138
AILE144
AMET171
AHIS175
ATRP179
ATYR190
AHOH301
AMET25
AILE42
AILE50
APHE88
ATRP92
ATRP114
AGLY115
APHE119

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DINGNGKITldEI
ChainResidueDetails
AASP30-ILE42
AASP123-TRP135
AASP159-MET171

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues15
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448
ChainResidueDetails
AASP30
AGLU134
AASP159
AASP161
ASER163
AASP165
AGLU170
AASN32
AASN34
ALYS36
AGLU41
AASP123
AASP125
ASER127
ATHR129

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 768
ChainResidueDetails
AHIS22electrostatic stabiliser, proton acceptor
ATRP92electrostatic stabiliser
APHE138electrostatic stabiliser
AHIS175electrostatic stabiliser, proton acceptor
ATYR190electrostatic stabiliser, proton acceptor, proton donor, proton relay

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PDB entries from 2024-10-30

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