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3IF7

Structure of Calmodulin complexed with its first endogenous inhibitor, sphingosylphosphorylcholine

Functional Information from GO Data
ChainGOidnamespacecontents
A0000922cellular_componentspindle pole
A0005509molecular_functioncalcium ion binding
A0005513biological_processdetection of calcium ion
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005813cellular_componentcentrosome
A0005819cellular_componentspindle
A0005829cellular_componentcytosol
A0005856cellular_componentcytoskeleton
A0010880biological_processregulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
A0019904molecular_functionprotein domain specific binding
A0030672cellular_componentsynaptic vesicle membrane
A0032991cellular_componentprotein-containing complex
A0043209cellular_componentmyelin sheath
A0046872molecular_functionmetal ion binding
A0097720biological_processcalcineurin-mediated signaling
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 149
ChainResidue
AASP20
AASP22
AASP24
ATHR26
AGLU31
AHOH160

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 150
ChainResidue
ATHR62
AGLU67
AHOH157
AASP56
AASP58
AASN60

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 151
ChainResidue
AASP93
AASP95
AASN97
ATYR99
AGLU104
AHOH180

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 152
ChainResidue
AASP129
AASP131
AASP133
AGLN135
AGLU140
AHOH158

site_idAC5
Number of Residues12
DetailsBINDING SITE FOR RESIDUE SPU A 153
ChainResidue
AGLU11
AMET76
AALA88
APHE92
AGLU123
AMET124
AGLU127
APHE141
AMET144
AMET145
ASPU154
ASPU156

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SPU A 154
ChainResidue
AGLU11
ALEU39
AGLU87
AMET124
ASPU153
ASPU155

site_idAC7
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SPU A 155
ChainResidue
APHE12
AALA15
ALEU32
AMET51
AGLU54
AVAL55
AMET71
AMET72
ASPU154
ASPU156

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SPU A 156
ChainResidue
AMET145
ASPU153
ASPU155

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DKDGDGTITtkEL
ChainResidueDetails
AASP20-LEU32
AASP56-PHE68
AASP93-LEU105
AASP129-PHE141

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 Residues20
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P0DP23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine; by CaMK4","evidences":[{"source":"UniProtKB","id":"P0DP29","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P0DP23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P0DP23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P0DP23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"P0DP23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsModified residue: {"description":"N6-methyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P0DP23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin); alternate","evidences":[{"source":"PubMed","id":"9716384","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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