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4DUQ

The Structure of Ca2+-loaded S100A2 at 1.3A resolution

Replaces:  3N22
Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0005515molecular_functionprotein binding
A0042802molecular_functionidentical protein binding
A0043542biological_processendothelial cell migration
A0046872molecular_functionmetal ion binding
A0046914molecular_functiontransition metal ion binding
A0048306molecular_functioncalcium-dependent protein binding
B0005509molecular_functioncalcium ion binding
B0005515molecular_functionprotein binding
B0042802molecular_functionidentical protein binding
B0043542biological_processendothelial cell migration
B0046872molecular_functionmetal ion binding
B0046914molecular_functiontransition metal ion binding
B0048306molecular_functioncalcium-dependent protein binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 101
ChainResidue
ASER20
AGLU23
AASP25
ALYS28
AGLU33
AHOH202

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 102
ChainResidue
AGLN69
AGLU74
AHOH206
AASP63
AASN65
AASP67

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE 15P B 101
ChainResidue
ALYS56
AMET59
AGLY60
AASP63
AGLN68
AHOH212
AHOH241
AHOH247
BASP25
BPHE27
BLYS28
BHOH210
BHOH260
BHOH276
BHOH286

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE 15P B 102
ChainResidue
AALA80
AVAL84
BGLN73

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 103
ChainResidue
BSER20
BGLU23
BASP25
BLYS28
BGLU33
BHOH225

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 104
ChainResidue
BASP63
BASN65
BASP67
BGLN69
BGLU74
BHOH212

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DENSDQQVDfqEY
ChainResidueDetails
AASP63-TYR75

site_idPS00303
Number of Residues22
DetailsS100_CABP S-100/ICaBP type calcium binding protein signature. LMgsLDensDqqvDFqEYavFL
ChainResidueDetails
ALEU58-LEU79

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":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

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

242199

PDB entries from 2025-09-24

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