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2L1R

The structure of the calcium-sensitizer, dfbp-o, in complex with the N-domain of troponin C and the switch region of troponin I

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 90
ChainResidue
AASP65
AASP67
ASER69
ATHR71
AASP73
AGLU76

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SXK A 91
ChainResidue
AMET80
AARG83
ACYS84
BARG147
BILE148
BMET153
APHE27
ALEU41
AMET60

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DEDGSGTVDfdEF
ChainResidueDetails
AASP65-PHE77

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues35
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues35
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"N-acetylmethionine","evidences":[{"source":"PubMed","id":"3951483","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by PAK3","evidences":[{"source":"PubMed","id":"12242269","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246905

PDB entries from 2025-12-31

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