4MRX

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

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0005509	molecular_function	calcium ion binding
A	0008218	biological_process	bioluminescence
A	0046872	molecular_function	metal ion binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	16
Details	BINDING SITE FOR RESIDUE CZH A 201

Chain	Residue
A	HIS22
A	PHE138
A	ILE144
A	MET171
A	HIS175
A	TRP179
A	TYR190
A	HOH301
A	MET25
A	ILE42
A	ILE50
A	PHE88
A	TRP92
A	TRP114
A	GLY115
A	PHE119

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Functional Information from PROSITE/UniProt

site_id	PS00018
Number of Residues	13
Details	EF_HAND_1 EF-hand calcium-binding domain. DINGNGKITldEI

Chain	Residue	Details
A	ASP30-ILE42
A	ASP123-TRP135
A	ASP159-MET171

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	35
Details	Domain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

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site_id	SWS_FT_FI2
Number of Residues	35
Details	Domain: {"description":"EF-hand 2","evidences":[{"source":"UniProtKB","id":"P02592","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

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site_id	SWS_FT_FI3
Number of Residues	35
Details	Domain: {"description":"EF-hand 4","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

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site_id	SWS_FT_FI4
Number of Residues	15
Details	Binding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

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Catalytic Information from CSA

site_id	MCSA1
Number of Residues	5
Details	M-CSA 768

Chain	Residue	Details
A	HIS22	electrostatic stabiliser, proton acceptor
A	TRP92	electrostatic stabiliser
A	PHE138	electrostatic stabiliser
A	HIS175	electrostatic stabiliser, proton acceptor
A	TYR190	electrostatic stabiliser, proton acceptor, proton donor, proton relay

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