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2IO7

E. coli Bifunctional glutathionylspermidine synthetase/amidase Incomplex with Mg2+ and AMPPNP

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005829cellular_componentcytosol
A0006749biological_processglutathione metabolic process
A0008216biological_processspermidine metabolic process
A0008884molecular_functionglutathionylspermidine amidase activity
A0008885molecular_functionglutathionylspermidine synthase activity
A0016787molecular_functionhydrolase activity
A0016874molecular_functionligase activity
A0046872molecular_functionmetal ion binding
B0000166molecular_functionnucleotide binding
B0003824molecular_functioncatalytic activity
B0005515molecular_functionprotein binding
B0005524molecular_functionATP binding
B0005829cellular_componentcytosol
B0006749biological_processglutathione metabolic process
B0008216biological_processspermidine metabolic process
B0008884molecular_functionglutathionylspermidine amidase activity
B0008885molecular_functionglutathionylspermidine synthase activity
B0016787molecular_functionhydrolase activity
B0016874molecular_functionligase activity
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 5001
ChainResidue
AGLU330
AASN332
AGLY537
AANP964

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG A 5002
ChainResidue
AASP318
AGLU330
AANP964

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 5003
ChainResidue
BANP965
BGLU330
BASN332

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 5004
ChainResidue
BASP318
BGLU330
BANP965

site_idAC5
Number of Residues25
DetailsBINDING SITE FOR RESIDUE ANP A 964
ChainResidue
AARG316
AASP318
ATYR329
AGLU330
AASN332
ALYS498
AALA531
ALYS533
AGLY537
AARG538
ACYS539
AGLY540
AGLN568
AGLN569
ALEU570
ATRP571
ALEU573
AGLN582
ALEU603
AVAL604
AILE605
AMG5001
AMG5002
AHOH5026
AHOH5036

site_idAC6
Number of Residues24
DetailsBINDING SITE FOR RESIDUE ANP B 965
ChainResidue
BARG316
BASP318
BTYR329
BGLU330
BASN332
BLYS498
BALA531
BLYS533
BGLY537
BARG538
BCYS539
BGLY540
BGLN568
BGLN569
BLEU570
BTRP571
BLEU573
BGLN582
BLEU603
BVAL604
BILE605
BMG5003
BMG5004
BHOH5199

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues18
DetailsRegion: {"description":"Linker"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"S-(gamma-glutamyl-cysteinyl-glycyl)-cysteine intermediate","evidences":[{"source":"PubMed","id":"9398217","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues52
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Increases nucleophilicity of active site Cys; for amidase activity"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsSite: {"description":"Transition state stabilizer; for synthetase activity"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Cysteine sulfenic acid (-SOH); transient","evidences":[{"source":"PubMed","id":"20530482","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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