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2TRX

CRYSTAL STRUCTURE OF THIOREDOXIN FROM ESCHERICHIA COLI AT 1.68 ANGSTROMS RESOLUTION

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
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0015035molecular_functionprotein-disulfide reductase activity
B0030337molecular_functionDNA polymerase processivity factor activity
B0045454biological_processcell redox homeostasis
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CU A 109
ChainResidue
ASER1
AASP2
ALYS3
AASP10
AHOH405

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CU B 109
ChainResidue
BHOH478
BSER1
BASP2
BLYS3
BASP10

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MPD A 601
ChainResidue
AASP10
AASP43
AGLU44
AHOH442

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MPD B 602
ChainResidue
AGLU44
AHOH524
BGLU30
BTRP31
BGLY33
BLYS36

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MPD B 603
ChainResidue
BTYR70
BILE72
BTHR77
BTHR89
BVAL91

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MPD B 604
ChainResidue
BILE60
BALA67
BILE72

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MPD A 605
ChainResidue
AMET37
AILE38
AALA93
ALEU94

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MPD A 606
ChainResidue
ATYR70
ATYR70
AGLY71
ATHR89
AVAL91

site_idAC9
Number of Residues8
DetailsBINDING SITE FOR RESIDUE MPD A 607
ChainResidue
AILE60
AALA67
AILE72
AARG73
AGLY74
AILE75
AHOH494
BHOH528

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

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues214
DetailsDomain: {"description":"Thioredoxin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Nucleophile"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Deprotonates C-terminal active site Cys"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsSite: {"description":"Contributes to redox potential value"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1mek
ChainResidueDetails
APRO34
ACYS35
ACYS32
AGLY33

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1mek
ChainResidueDetails
BPRO34
BCYS35
BCYS32
BGLY33

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1mek
ChainResidueDetails
ACYS35
ACYS32

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1mek
ChainResidueDetails
BCYS35
BCYS32

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PDB entries from 2025-12-17

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