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2JPT

Structural changes induced in apo-s100a1 protein by the disulphide formation between its CYS85 residue and b-mercaptoethanol

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005829cellular_componentcytosol
A0008016biological_processregulation of heart contraction
A0016529cellular_componentsarcoplasmic reticulum
A0042311biological_processvasodilation
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
A0044548molecular_functionS100 protein binding
A0046872molecular_functionmetal ion binding
A0048306molecular_functioncalcium-dependent protein binding
A0051117molecular_functionATPase binding
A1903672biological_processpositive regulation of sprouting angiogenesis
B0005509molecular_functioncalcium ion binding
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0005739cellular_componentmitochondrion
B0005829cellular_componentcytosol
B0008016biological_processregulation of heart contraction
B0016529cellular_componentsarcoplasmic reticulum
B0042311biological_processvasodilation
B0042802molecular_functionidentical protein binding
B0042803molecular_functionprotein homodimerization activity
B0044548molecular_functionS100 protein binding
B0046872molecular_functionmetal ion binding
B0048306molecular_functioncalcium-dependent protein binding
B0051117molecular_functionATPase binding
B1903672biological_processpositive regulation of sprouting angiogenesis
Functional Information from PDB Data
site_idAC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE BME A 94
ChainResidue
ACYS85

site_idAC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE BME B 94
ChainResidue
BCYS85

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DEDGDGEVDfqEY
ChainResidueDetails
AASP62-TYR74

site_idPS00303
Number of Residues22
DetailsS100_CABP S-100/ICaBP type calcium binding protein signature. VMkeLDedgDgevDFqEYvvLV
ChainResidueDetails
AVAL57-VAL78

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues70
DetailsDomain: {"description":"EF-hand 1","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues70
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P35467","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Blocked amino end (Gly)","evidences":[{"source":"PubMed","id":"7250124","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"S-nitrosocysteine","evidences":[{"source":"UniProtKB","id":"P23297","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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