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1TXX

ACTIVE-SITE VARIANT OF E.COLI THIOREDOXIN

Functional Information from GO Data
ChainGOidnamespacecontents
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0015035molecular_functionprotein-disulfide reductase activity
A0030337molecular_functionDNA polymerase processivity factor activity
A0045454biological_processcell redox homeostasis
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CU A 109
ChainResidue
ASER1
AASP2
AHOH274
AHOH275

Functional Information from PROSITE/UniProt
site_idPS00194
Number of Residues19
DetailsTHIOREDOXIN_1 Thioredoxin family active site. LVdFWaeWCVWCKmIapiL
ChainResidueDetails
ALEU24-LEU42

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues107
DetailsDomain: {"description":"Thioredoxin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Nucleophile"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Deprotonates C-terminal active site Cys"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Contributes to redox potential value"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1cqg
ChainResidueDetails
ACYS35
ACYS32

245663

PDB entries from 2025-12-03

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