8DQY | pdb_00008dqy

Structure of Rv0455c from Mycobacterium tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb8DQY/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2022-07-20 Released: 2023-08-02 
• Deposition Author(s): Kent, J.E., Aleshin, A.E., Marassi, F.M.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.227 (Depositor), 0.245 (DCC) 
• R-Value Work: 
  0.165 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.168 (Depositor) 

Starting Model: experimental

Literature

Structure of RV0455c from Mycobacterium tuberculosis

Kent, J.E., Aleshin, A.E., Marassi, F.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 14.64 kDa 
• Atom Count: 986 
• Modeled Residue Count: 111 
• Deposited Residue Count: 125 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Conserved protein	A	125	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: Rv0455c
UniProt
Find proteins for O53740 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore O53740  Go to UniProtKB:  O53740

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	B [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.227 (Depositor), 0.245 (DCC) 
• R-Value Work:  0.165 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.168 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 25.13	α = 90
b = 58.557	β = 90
c = 65.914	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-08-02 
Deposition Author(s): Kent, J.E., Aleshin, A.E., Marassi, F.M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	--

Revision History  

• Version 1.0: 2023-08-02
  Type: Initial release
  
• Version 1.1: 2024-10-30
  Changes: Data collection, Structure summary
• Version 1.2: 2026-03-04
  Changes: Refinement description