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4PE0

Crystal Structure of Calcium-loaded S100B bound to SBi4434

Functional Information from GO Data
ChainGOidnamespacecontents
A0001726cellular_componentruffle
A0005509molecular_functioncalcium ion binding
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0005929cellular_componentcilium
A0006417biological_processregulation of translation
A0007155biological_processcell adhesion
A0007409biological_processaxonogenesis
A0007611biological_processlearning or memory
A0007613biological_processmemory
A0008270molecular_functionzinc ion binding
A0008284biological_processpositive regulation of cell population proliferation
A0015630cellular_componentmicrotubule cytoskeleton
A0016310biological_processphosphorylation
A0019210molecular_functionkinase inhibitor activity
A0036064cellular_componentciliary basal body
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
A0043025cellular_componentneuronal cell body
A0043123biological_processpositive regulation of canonical NF-kappaB signal transduction
A0043231cellular_componentintracellular membrane-bounded organelle
A0044548molecular_functionS100 protein binding
A0045666biological_processpositive regulation of neuron differentiation
A0045917biological_processpositive regulation of complement activation
A0046872molecular_functionmetal ion binding
A0048143biological_processastrocyte activation
A0048156molecular_functiontau protein binding
A0048168biological_processregulation of neuronal synaptic plasticity
A0048306molecular_functioncalcium-dependent protein binding
A0048471cellular_componentperinuclear region of cytoplasm
A0050786molecular_functionRAGE receptor binding
A0071638biological_processnegative regulation of monocyte chemotactic protein-1 production
A0097490biological_processsympathetic neuron projection extension
A1990138biological_processneuron projection extension
A1990845biological_processadaptive thermogenesis
X0001726cellular_componentruffle
X0005509molecular_functioncalcium ion binding
X0005515molecular_functionprotein binding
X0005576cellular_componentextracellular region
X0005615cellular_componentextracellular space
X0005634cellular_componentnucleus
X0005654cellular_componentnucleoplasm
X0005737cellular_componentcytoplasm
X0005829cellular_componentcytosol
X0005929cellular_componentcilium
X0006417biological_processregulation of translation
X0007155biological_processcell adhesion
X0007409biological_processaxonogenesis
X0007611biological_processlearning or memory
X0007613biological_processmemory
X0008270molecular_functionzinc ion binding
X0008284biological_processpositive regulation of cell population proliferation
X0015630cellular_componentmicrotubule cytoskeleton
X0016310biological_processphosphorylation
X0019210molecular_functionkinase inhibitor activity
X0036064cellular_componentciliary basal body
X0042802molecular_functionidentical protein binding
X0042803molecular_functionprotein homodimerization activity
X0043025cellular_componentneuronal cell body
X0043123biological_processpositive regulation of canonical NF-kappaB signal transduction
X0043231cellular_componentintracellular membrane-bounded organelle
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
X0048168biological_processregulation of neuronal synaptic plasticity
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 Residues7
Detailsbinding site for residue NQS X 101
ChainResidue
XPHE43
XLEU44
XALA83
XCYS84
XPHE88
XHOH221
XHOH339

site_idAC2
Number of Residues6
Detailsbinding site for residue CA X 102
ChainResidue
XASP23
XLYS26
XGLU31
XHOH280
XSER18
XGLU21

site_idAC3
Number of Residues6
Detailsbinding site for residue CA X 103
ChainResidue
XASP61
XASP63
XASP65
XGLU67
XGLU72
XHOH288

site_idAC4
Number of Residues6
Detailsbinding site for residue CA A 102
ChainResidue
ASER18
AGLU21
AASP23
ALYS26
AGLU31
AHOH291

site_idAC5
Number of Residues7
Detailsbinding site for residue CA A 103
ChainResidue
AASP61
AASP63
AASP65
AGLU67
AGLU72
AHOH294
AHOH357

site_idAC6
Number of Residues10
Detailsbinding site for Di-peptide NQS A 101 and CYS A 84
ChainResidue
APHE43
AILE80
ATHR81
ATHR82
AALA83
AHIS85
AGLU86
APHE87
APHE88
AHOH338

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 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 Residues13
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P04271","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":"N-acetylserine","evidences":[{"source":"PubMed","id":"4026304","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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