2SAS

STRUCTURE OF A SARCOPLASMIC CALCIUM-BINDING PROTEIN FROM AMPHIOXUS REFINED AT 2.4 ANGSTROMS RESOLUTION

Functional Information from GO Data

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

Functional Information from PDB Data

site_id	AC1
Number of Residues	5
Details	BINDING SITE FOR RESIDUE CA A 186

Chain	Residue
A	ASP19
A	ASN21
A	ASP23
A	SER25
A	ASP30

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site_id	AC2
Number of Residues	6
Details	BINDING SITE FOR RESIDUE CA A 187

Chain	Residue
A	ASP70
A	ASN72
A	ASP74
A	VAL76
A	GLU81
A	HOH189

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site_id	AC3
Number of Residues	5
Details	BINDING SITE FOR RESIDUE CA A 188

Chain	Residue
A	ASP115
A	SER117
A	ASP119
A	ILE121
A	GLU126

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site_id	EF1
Number of Residues	12
Details

Chain	Residue
A	ASP19
A	ASP28
A	ASN29
A	ASP30
A	MET20
A	ASN21
A	HIS22
A	ASP23
A	GLY24
A	SER25
A	ILE26
A	GLN27

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site_id	EF2
Number of Residues	12
Details

Chain	Residue
A	ASP70
A	ILE71
A	ASN72
A	LYS73
A	ASP74
A	ASP75
A	VAL76
A	VAL77
A	SER78
A	TRP79
A	GLU80
A	GLU81

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site_id	EF3
Number of Residues	12
Details

Chain	Residue
A	ASP115
A	VAL116
A	SER117
A	GLY118
A	ASP119
A	GLY120
A	ILE121
A	VAL122
A	ASP123
A	LEU124
A	GLU125
A	GLU126

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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. DMNHDGSIQdnDF

Chain	Residue	Details
A	ASP19-PHE31
A	ASP70-TYR82
A	ASP115-PHE127

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	13
Details	BINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448

Chain	Residue	Details
A	ASP19
A	ASP115
A	SER117
A	ASP119
A	GLU126
A	ASN21
A	ASP23
A	SER25
A	ASP30
A	ASP70
A	ASN72
A	ASP74
A	GLU81

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