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3UCY

Structure of Mg2+ bound N-terminal domain of calmodulin in the presence of Zn2+

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE NA A 100
ChainResidue
AASP20
AASP22
AASP24
ATHR26
AZN102
ACAC200
AHOH301

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 101
ChainResidue
AASN60
ATHR62
AHOH303
AHOH319
AASP56
AASP58

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN A 102
ChainResidue
AASP22
AASP24
ANA100
ACAC200
ACAC200

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN A 103
ChainResidue
AGLU7
AGLU11
AASP64
AGLU67
AHOH361

site_idAC5
Number of Residues11
DetailsBINDING SITE FOR RESIDUE CAC A 200
ChainResidue
AASP22
AASP22
AASP24
AASP24
ATHR26
AILE27
ANA100
AZN102
AZN102
AHOH301
AHOH320

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

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 Residues10
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1474585","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25441029","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27564677","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1CLL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4UMO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4V0C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5J03","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine; alternate","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine; by CaMK4","evidences":[{"source":"UniProtKB","id":"P0DP29","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin); alternate","evidences":[{"source":"UniProtKB","id":"P62157","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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