7F5Z

Crystal structure of the single-stranded dna-binding protein from Mycobacterium tuberculosis- Form III

• PDB DOI: https://doi.org/10.2210/pdb7F5Z/pdb

• Classification: DNA BINDING PROTEIN
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2021-06-23 Released: 2022-05-11 
• Deposition Author(s): Srikalaivani, R., Paul, A., Sriram, R., Narayanan, S., Gopal, B., Vijayan, M.
• Funding Organization(s): Office of the Principal Scientific Adviser to the Government of India

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.281 
• R-Value Work: 0.248 
• R-Value Observed: 0.250 

Literature

Structural variability of Mycobacterium tuberculosis SSB and susceptibility to inhibition.

Srikalaivani, R., Paul, A., Sriram, R., Narayanan, S., Shee, S., Singh, A., Varshney, U., Gopal, B., Vijayan, M.

(2022) Curr Sci 122: 281-289

• DOI: https://doi.org/10.18520/cs/v122/i3/281-289

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 34.74 kDa 
• Atom Count: 1,750 
• Modelled Residue Count: 235 
• Deposited Residue Count: 328 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Single-stranded DNA-binding protein	A, B	164	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: ssb, Rv0054, MTCY21D4.17
UniProt
Find proteins for P9WGD5 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WGD5  Go to UniProtKB:  P9WGD5

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.281 
• R-Value Work: 0.248 
• R-Value Observed: 0.250 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 110.04	α = 90
b = 110.04	β = 90
c = 104.12	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-05-11 
Deposition Author(s): Srikalaivani, R., Paul, A., Sriram, R., Narayanan, S., Gopal, B., Vijayan, M.

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Funding Organization	Location	Grant Number
Office of the Principal Scientific Adviser to the Government of India	India	--

Revision History  

• Version 1.0: 2022-05-11
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description