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6N7W

Structure of bacteriophage T7 leading-strand DNA polymerase (D5A/E7A)/Trx in complex with a DNA fork and incoming dTTP (from multiple lead complexes)

Functional Information from GO Data
ChainGOidnamespacecontents
H0000166molecular_functionnucleotide binding
H0003676molecular_functionnucleic acid binding
H0003677molecular_functionDNA binding
H0003824molecular_functioncatalytic activity
H0003887molecular_functionDNA-directed DNA polymerase activity
H0004518molecular_functionnuclease activity
H0004527molecular_functionexonuclease activity
H0004529molecular_functionDNA exonuclease activity
H0005515molecular_functionprotein binding
H0006259biological_processDNA metabolic process
H0006260biological_processDNA replication
H0006261biological_processDNA-templated DNA replication
H0006302biological_processdouble-strand break repair
H0008408molecular_function3'-5' exonuclease activity
H0016740molecular_functiontransferase activity
H0016779molecular_functionnucleotidyltransferase activity
H0016787molecular_functionhydrolase activity
H0034061molecular_functionDNA polymerase activity
H0039693biological_processviral DNA genome replication
H0046872molecular_functionmetal ion binding
H0090592biological_processDNA synthesis involved in DNA replication
I0005515molecular_functionprotein binding
I0005737cellular_componentcytoplasm
I0005829cellular_componentcytosol
I0015035molecular_functionprotein-disulfide reductase activity
I0030337molecular_functionDNA polymerase processivity factor activity
I0045454biological_processcell redox homeostasis
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue MG H 4001
ChainResidue
HASP475
HALA476
HASP654
HTTP4002

site_idAC2
Number of Residues14
Detailsbinding site for residue TTP H 4002
ChainResidue
HGLU480
HHIS506
HARG518
HLYS522
HTYR526
HASP654
HMG4001
P2DA25
TDT53
HARG429
HASP475
HALA476
HSER477
HGLY478

Functional Information from PROSITE/UniProt
site_idPS00194
Number of Residues19
DetailsTHIOREDOXIN_1 Thioredoxin family active site. LVdFWaeWCGPCKmIapiL
ChainResidueDetails
ILEU24-LEU42

site_idPS00447
Number of Residues20
DetailsDNA_POLYMERASE_A DNA polymerase family A signature. RdnAKtfiYGflYgaGdekI
ChainResidueDetails
HARG518-ILE537

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues502
DetailsRegion: {"description":"Polymerase","evidences":[{"source":"HAMAP-Rule","id":"MF_04101","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"9440688","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues76
DetailsRegion: {"description":"Binding to host TrxA","evidences":[{"source":"PubMed","id":"15795374","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15292168","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_04101","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"9440688","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_04101","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"9440688","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9914251","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_04101","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"9914251","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsActive site: {"description":"Nucleophile"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsSite: {"description":"Deprotonates C-terminal active site Cys"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsSite: {"description":"Contributes to redox potential value"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246905

PDB entries from 2025-12-31

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