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6NXZ

Crystal structure of trimethoprim-resistant type II dihydrofolate reductase in complex with a bisbenzimidazole inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004146molecular_functiondihydrofolate reductase activity
A0009410biological_processresponse to xenobiotic stimulus
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue D49 A 101
ChainResidue
AVAL66
AGLN67
AGLN67
AILE68
AILE68
AHOH249

site_idAC2
Number of Residues4
Detailsbinding site for residue MRD A 102
ChainResidue
ALEU50
AGLY35
AASN49
ALEU50

site_idAC3
Number of Residues5
Detailsbinding site for residue MRD A 103
ChainResidue
AALA22
AGLY25
AASP28
AARG76
AILE77

site_idAC4
Number of Residues8
Detailsbinding site for residue PO4 A 104
ChainResidue
AARG31
ALYS32
ALYS33
ACYS47
ATHR48
AASN49
AGLU75
AHOH205

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17473013","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18052202","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2P4T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RK1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RK2","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18052202","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2RK1","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 752
ChainResidueDetails
ALYS32electrostatic stabiliser
AGLN67electrostatic stabiliser
AILE68electrostatic stabiliser
ATYR69electrostatic stabiliser

239149

PDB entries from 2025-07-23

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