Zinc in PDB 7ubl: Transcription Antitermination Factor Qlambda in Complex with Q-Lambda- Binding-Element Dna

The structure of Transcription Antitermination Factor Qlambda in Complex with Q-Lambda- Binding-Element Dna, PDB code: 7ubl was solved by Z.Yin, R.H.Ebright, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.35 / 2.18
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	131.102, 131.102, 49.545, 90, 90, 90
R / Rfree (%)	18.8 / 22.9

The binding sites of Zinc atom in the Transcription Antitermination Factor Qlambda in Complex with Q-Lambda- Binding-Element Dna (pdb code 7ubl). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Transcription Antitermination Factor Qlambda in Complex with Q-Lambda- Binding-Element Dna, PDB code: 7ubl:

Zinc binding site 1 out of 1 in the Transcription Antitermination Factor Qlambda in Complex with Q-Lambda- Binding-Element Dna


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Transcription Antitermination Factor Qlambda in Complex with Q-Lambda- Binding-Element Dna within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn301 b:36.0 occ:1.00 SG A:CYS118 2.2 29.3 1.0 SG A:CYS121 2.3 27.2 1.0 SG A:CYS144 2.4 28.2 1.0 SG A:CYS147 2.5 30.7 1.0 HB3 A:CYS147 2.8 30.0 1.0 HB3 A:CYS144 2.9 30.9 1.0 HB3 A:CYS118 2.9 28.8 1.0 CB A:CYS118 3.0 24.0 1.0 HB3 A:CYS121 3.0 39.1 1.0 CB A:CYS144 3.1 25.7 1.0 CB A:CYS147 3.2 25.1 1.0 H A:CYS121 3.2 43.0 1.0 H A:CYS147 3.2 48.1 1.0 HB2 A:CYS118 3.2 28.8 1.0 CB A:CYS121 3.3 32.6 1.0 HB2 A:CYS144 3.4 30.9 1.0 HA2 A:GLY125 3.6 44.6 1.0 HB3 A:ARG146 3.7 35.5 1.0 HA2 A:GLY151 3.7 37.5 1.0 N A:CYS147 3.7 40.1 1.0 N A:CYS121 3.8 35.8 1.0 HB2 A:CYS147 3.9 30.0 1.0 HB2 A:CYS121 4.0 39.1 1.0 HB2 A:ASP120 4.0 41.7 1.0 CA A:CYS147 4.1 51.7 1.0 CA A:CYS121 4.1 30.3 1.0 H A:GLY151 4.1 29.7 1.0 H A:GLY125 4.2 32.2 1.0 H A:ASP120 4.3 34.5 1.0 H A:ARG146 4.4 45.4 1.0 CA A:GLY125 4.5 37.1 1.0 CA A:CYS118 4.5 24.2 1.0 CA A:CYS144 4.5 30.1 1.0 CA A:GLY151 4.5 31.2 1.0 CB A:ARG146 4.6 29.5 1.0 H A:GLY123 4.6 32.3 1.0 H A:GLY149 4.7 38.7 1.0 C A:ARG146 4.7 36.6 1.0 N A:GLY151 4.7 25.0 1.0 N A:GLY125 4.7 26.8 1.0 HA A:CYS147 4.8 62.1 1.0 C A:CYS144 4.8 41.4 1.0 C A:ASP120 4.8 29.3 1.0 O A:CYS144 4.8 53.4 1.0 CB A:ASP120 4.8 34.7 1.0 HA A:CYS118 4.9 29.1 1.0 HA A:CYS121 4.9 36.5 1.0 C A:CYS147 4.9 36.4 1.0 C A:CYS118 4.9 26.4 1.0 N A:ARG146 4.9 37.8 1.0 N A:ASP120 4.9 28.7 1.0 H A:HIS122 5.0 34.4 1.0 C A:CYS121 5.0 49.5 1.0 HB3 A:ASP120 5.0 41.7 1.0

Z.Yin, J.G.Bird, J.T.Kaelber, B.E.Nickels, R.H.Ebright. In Transcription Antitermination By Q Lambda , Nusa Induces Refolding of Q Lambda to Form A Nozzle That Extends the Rna Polymerase Rna-Exit Channel. Proc.Natl.Acad.Sci.Usa V. 119 78119 2022.
ISSN: ESSN 1091-6490
PubMed: 35951650
DOI: 10.1073/PNAS.2205278119