PDBsum entry 1bdh

Transcription/DNA

PDB id: 1bdh

Contents

Protein chain

338 a.a. *

DNA/RNA

Ligands

HPA

Waters ×53

* Residue conservation analysis

PDB id:

1bdh

Name:

Transcription/DNA

Title:

Purine repressor mutant-hypoxanthine-palindromic operator complex

Structure:

DNA (5'- d( Tp Ap Cp Gp Cp Ap Ap Ap Cp Gp Tp Tp Tp Gp Cp Gp T )-3'). Chain: b. Engineered: yes. Protein (purine repressor). Chain: a. Synonym: pura. Engineered: yes. Mutation: yes

Source:

Synthetic: yes. Escherichia coli. Organism_taxid: 562. Gene: purr. Expressed in: escherichia coli. Expression_system_taxid: 562.

Biol. unit:

Tetramer (from PDB file)

Resolution:

2.70Å R-factor: 0.168

Authors:

A.Glasfeld,M.A.Schumacher,K.Y.Choi,H.Zalkin,R.G.Brennan

Key ref:

A.Glasfeld et al. (1996). A positively charged residue bound in the minor groove does not alter the bending of a DNA duplex. J am chem soc, 118, 13073-13074.

Date:

25-Jul-96 Release date: 21-Apr-97

Protein chain

P0ACP7  (PURR_ECOLI) -  HTH-type transcriptional repressor PurR from Escherichia coli (strain K12)

Seq: 341 a.a.

Struc: 338 a.a.*

* PDB and UniProt seqs differ at 1 residue position (black cross)

DNA/RNA chain

T-A-C-G-C-A-A-A-C-G-T-T-T-G-C-G-T 17 bases

Enzyme reactions

• Enzyme class: E.C.?