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2XGE

Crystal structure of a designed heterodimeric variant T-A(A)B of the tetracycline repressor

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0045892biological_processnegative regulation of DNA-templated transcription
A0046677biological_processresponse to antibiotic
B0003677molecular_functionDNA binding
B0045892biological_processnegative regulation of DNA-templated transcription
B0046677biological_processresponse to antibiotic
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE EDO A 592
ChainResidue
ALEU131
ALEU174
AMET177
AASP178
BLEU131
BLEU174
BMET177
BASP178

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA A 593
ChainResidue
ATHR103
BHIS100
BTHR103
AHIS100

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 594
ChainResidue
AARG3
ASER74
BARG3
BSER74

Functional Information from PROSITE/UniProt
site_idPS01081
Number of Residues32
DetailsHTH_TETR_1 TetR-type HTH domain signature. GIeglTTrkLaqklgVEqPtLYwHVkNKralL
ChainResidueDetails
BGLY21-LEU52
AGLY21-LEU52

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues120
DetailsDomain: {"description":"HTH tetR-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00335","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues38
DetailsDNA binding: {"description":"H-T-H motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU00335","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"8153629","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2TRT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

244693

PDB entries from 2025-11-12

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