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5ER4

Crystal Structure of Calcium-loaded S100B bound to SC0025

Functional Information from GO Data
ChainGOidnamespacecontents
X0001726cellular_componentruffle
X0005509molecular_functioncalcium ion binding
X0005515molecular_functionprotein binding
X0005576cellular_componentextracellular region
X0005615cellular_componentextracellular space
X0005634cellular_componentnucleus
X0005654cellular_componentnucleoplasm
X0005737cellular_componentcytoplasm
X0005829cellular_componentcytosol
X0006417biological_processregulation of translation
X0007155biological_processcell adhesion
X0007409biological_processaxonogenesis
X0007611biological_processlearning or memory
X0008270molecular_functionzinc ion binding
X0008284biological_processpositive regulation of cell population proliferation
X0016310biological_processphosphorylation
X0019210molecular_functionkinase inhibitor activity
X0042802molecular_functionidentical protein binding
X0042803molecular_functionprotein homodimerization activity
X0043025cellular_componentneuronal cell body
X0043123biological_processpositive regulation of canonical NF-kappaB signal transduction
X0044548molecular_functionS100 protein binding
X0045666biological_processpositive regulation of neuron differentiation
X0045917biological_processpositive regulation of complement activation
X0046872molecular_functionmetal ion binding
X0048143biological_processastrocyte activation
X0048156molecular_functiontau protein binding
X0048306molecular_functioncalcium-dependent protein binding
X0048471cellular_componentperinuclear region of cytoplasm
X0050786molecular_functionRAGE receptor binding
X0071638biological_processnegative regulation of monocyte chemotactic protein-1 production
X0097490biological_processsympathetic neuron projection extension
X1990138biological_processneuron projection extension
X1990845biological_processadaptive thermogenesis
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue CA X 101
ChainResidue
XSER18
XGLU21
XASP23
XLYS26
XGLU31
XHOH226

site_idAC2
Number of Residues6
Detailsbinding site for residue CA X 102
ChainResidue
XGLU67
XGLU72
XHOH220
XASP61
XASP63
XASP65

site_idAC3
Number of Residues6
Detailsbinding site for residue 5RL X 103
ChainResidue
XASP12
XCYS84
XHIS85
XPHE88
XPHE88
XHOH208

site_idAC4
Number of Residues8
Detailsbinding site for residue CA X 104
ChainResidue
XHOH248
XHOH248
XHOH262
XHOH262
XHOH266
XHOH266
XHOH272
XHOH272

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DSDGDGECDfqEF
ChainResidueDetails
XASP61-PHE73

site_idPS00303
Number of Residues22
DetailsS100_CABP S-100/ICaBP type calcium binding protein signature. VMetLDsdgDgecDFqEFmaFV
ChainResidueDetails
XVAL56-VAL77

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues35
DetailsDomain: {"description":"EF-hand 1","evidences":[{"evidenceCode":"ECO:0000305"}]}
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 Residues6
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P04271","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"N-acetylserine","evidences":[{"source":"PubMed","id":"4026304","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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