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3IFK

Crystal Structure Of Calcium-Saturated Calmodulin N-terminal Domain Fragment, Residues 1-90

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
B0005509molecular_functioncalcium ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 91
ChainResidue
AASP20
AASP22
AASP24
ATHR26
AGLU31

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 92
ChainResidue
AGLU67
AASP56
AASP58
AASN60
ATHR62

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 91
ChainResidue
BASP20
BASP22
BASP24
BTHR26
BGLU31
BHOH115

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 92
ChainResidue
BASP56
BASP58
BASN60
BTHR62
BGLU67
BHOH103

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 Residues70
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
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 Residues10
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11323678","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23109337","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3145979","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1G4Y","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NIW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2HQW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2YGG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3B32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BXK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BXL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3CLN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3IFK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3SJQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4EHQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4G27","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4G28","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I2Y","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4J9Y","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4J9Z","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4QNH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11323678","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23109337","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3145979","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1G4Y","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NIW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2HQW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2YGG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3B32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BXK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BXL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3CLN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3EK4","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3EK7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3EK8","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3EKH","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3EVR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3EVU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3IFK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3SG2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3SG3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3SG4","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3SG5","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3SG6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3SG7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3SJQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3WLC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3WLD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4EHQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4G27","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4G28","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I2Y","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4J9Y","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4J9Z","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4QNH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P0DP23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by CaMK4","evidences":[{"source":"PubMed","id":"12392717","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P0DP23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin); alternate","evidences":[{"source":"UniProtKB","id":"P62157","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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