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3UCT

Structure of Mn2+-bound N-terminal domain of calmodulin in the presence of Zn2+

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
B0005509molecular_functioncalcium ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MN A 100
ChainResidue
AASP20
AASP22
AASP24
ATHR26
AHOH91
AHOH92
AMN102

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN A 101
ChainResidue
AASN60
ATHR62
AHOH106
AHOH123
AASP56
AASP58

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MN A 102
ChainResidue
AASP2
AASP22
AASP24
AHOH92
AMN100
AHOH137
AHOH138

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN A 103
ChainResidue
APHE19
AGLU31
AHOH93
AHOH94
AHOH114

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE ZN A 104
ChainResidue
AASP64
AGLU67

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MN B 100
ChainResidue
AHOH110
BASP20
BASP22
BASP24
BTHR26
BHOH85
BZN102

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN B 101
ChainResidue
BASP56
BASP58
BASN60
BTHR62
BHOH88
BHOH89

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN B 102
ChainResidue
AGLU45
AHOH110
BASP22
BASP24
BMN100

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE ZN B 103
ChainResidue
BASP64
BGLU67

site_idBC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE ZN B 104
ChainResidue
BASP50
BGLU54

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 Residues20
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU00448, ECO:0000269|PubMed:1474585, ECO:0000269|PubMed:25441029, ECO:0000269|PubMed:27564677, ECO:0007744|PDB:1CLL, ECO:0007744|PDB:4UMO, ECO:0007744|PDB:4V0C, ECO:0007744|PDB:5J03
ChainResidueDetails
AASP20
AGLU67
BASP20
BASP22
BASP24
BTHR26
BGLU31
BASP56
BASP58
BASN60
BTHR62
AASP22
BGLU67
AASP24
ATHR26
AGLU31
AASP56
AASP58
AASN60
ATHR62

site_idSWS_FT_FI2
Number of Residues2
DetailsMOD_RES: N-acetylalanine => ECO:0000269|PubMed:7093203, ECO:0000269|Ref.7, ECO:0007744|PubMed:19413330, ECO:0007744|PubMed:22223895, ECO:0007744|PubMed:22814378, ECO:0007744|PubMed:25944712
ChainResidueDetails
AALA1
BALA1

site_idSWS_FT_FI3
Number of Residues2
DetailsMOD_RES: N6-acetyllysine; alternate => ECO:0007744|PubMed:19608861
ChainResidueDetails
ALYS21
BLYS21

site_idSWS_FT_FI4
Number of Residues2
DetailsMOD_RES: Phosphothreonine; by CaMK4 => ECO:0000250|UniProtKB:P0DP29
ChainResidueDetails
ATHR44
BTHR44

site_idSWS_FT_FI5
Number of Residues4
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin); alternate => ECO:0000250|UniProtKB:P62157
ChainResidueDetails
ALYS21
BLYS21

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PDB entries from 2025-06-18

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