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1NUG

Role of Calcium Ions in the Activation and Activity of the Transglutaminase 3 Enzyme (2 calciums, 1 Mg, inactive form)

Functional Information from GO Data
ChainGOidnamespacecontents
A0003810molecular_functionprotein-glutamine gamma-glutamyltransferase activity
A0003824molecular_functioncatalytic activity
A0005198molecular_functionstructural molecule activity
A0005509molecular_functioncalcium ion binding
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0016740molecular_functiontransferase activity
A0016746molecular_functionacyltransferase activity
A0018149biological_processpeptide cross-linking
A0030216biological_processkeratinocyte differentiation
A0031069biological_processhair follicle morphogenesis
A0031234cellular_componentextrinsic component of cytoplasmic side of plasma membrane
A0031424biological_processkeratinization
A0032991cellular_componentprotein-containing complex
A0036211biological_processprotein modification process
A0046872molecular_functionmetal ion binding
A0070062cellular_componentextracellular exosome
B0003810molecular_functionprotein-glutamine gamma-glutamyltransferase activity
B0003824molecular_functioncatalytic activity
B0005198molecular_functionstructural molecule activity
B0005509molecular_functioncalcium ion binding
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0016740molecular_functiontransferase activity
B0016746molecular_functionacyltransferase activity
B0018149biological_processpeptide cross-linking
B0030216biological_processkeratinocyte differentiation
B0031069biological_processhair follicle morphogenesis
B0031234cellular_componentextrinsic component of cytoplasmic side of plasma membrane
B0031424biological_processkeratinization
B0032991cellular_componentprotein-containing complex
B0036211biological_processprotein modification process
B0046872molecular_functionmetal ion binding
B0070062cellular_componentextracellular exosome
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 701
ChainResidue
AASP183
ALEU185
ASER186
AHOH763

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 702
ChainResidue
BARG169
BARG587
BILE589
BILE590

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 703
ChainResidue
AASN224
AASN226
AASP228
AHOH957
AALA221

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 704
ChainResidue
AASN393
ASER415
AGLU443
AGLU448
AARG449
AHOH851
AHOH1027

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 705
ChainResidue
AASP301
AASP303
AASN305
ASER307
AHOH993
AHOH1013

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 701
ChainResidue
BASP183
BSER186
BHOH768
BHOH929

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 702
ChainResidue
AARG169
AARG587
AILE590
AHOH999

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 703
ChainResidue
BALA221
BASN224
BASN226
BASP228
BHOH972

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 704
ChainResidue
BASN393
BSER415
BGLU443
BGLU448
BHOH805
BHOH978

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG B 705
ChainResidue
BASP301
BASP303
BASN305
BSER307

Functional Information from PROSITE/UniProt
site_idPS00547
Number of Residues18
DetailsTRANSGLUTAMINASES Transglutaminases active site. GQCWVfAGTlnTaLRSLG
ChainResidueDetails
AGLY270-GLY287

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10024","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues28
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11980702","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12679341","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N-acetylalanine","evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"FEB-2008","submissionDatabase":"UniProtKB","authors":["Bienvenut W.V.","Bensaad K.","Vousden K.H."]}}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1g0d
ChainResidueDetails
AASP353
ACYS272
ATYR525
AHIS330

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1g0d
ChainResidueDetails
BASP353
BCYS272
BTYR525
BHIS330

239803

PDB entries from 2025-08-06

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