9XEX | pdb_00009xex

Rv0394c protein from Mycobacterium tuberculosis H37Rv (C49A mutant)

PDB DOI: https://doi.org/10.2210/pdb9XEX/pdb

Classification: UNKNOWN FUNCTION
Organism(s): Mycobacterium tuberculosis H37Rv
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2025-10-28 Released: 2026-10-28
Deposition Author(s): Kong, W.P., Chung, W.H., Chen, Y.W., Wong, K.Y.
Funding Organization(s): Ministry of Science and Technology (MoST, China)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.05 Å
R-Value Free:
0.252 (Depositor), 0.234 (DCC)
R-Value Work:
0.221 (Depositor), 0.223 (DCC)
R-Value Observed:
0.223 (Depositor)

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history.

Literature

The structure of the trimeric Rv0394c protein from Mycobacterium tuberculosis H37Rv with a new protein fold

Chung, W.H., Kong, W.P.

To be published.

Macromolecule Content

Total Structure Weight: 26.75 kDa
Atom Count: 1,447
Modeled Residue Count: 187
Deposited Residue Count: 247
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Possible secreted protein	A	247	Mycobacterium tuberculosis H37Rv	Mutation(s): 1 Gene Names: Rv0394c
UniProt
Find proteins for P95202 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P95202 Go to UniProtKB: P95202
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P95202
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CIT Query on CIT Download:Ideal Coordinates CCD File SDF format, chain B [auth A] SDF format, chain C [auth A] MOL2 format, chain B [auth A] MOL2 format, chain C [auth A] mmCIF format, chain B [auth A] mmCIF format, chain C [auth A]	B [auth A], C [auth A]	CITRIC ACID C₆ H₈ O₇ KRKNYBCHXYNGOX-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Focus chain C [auth A] Interactions & Density Focus chain B [auth A] Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 3.05 Å
R-Value Free: 0.252 (Depositor), 0.234 (DCC)
R-Value Work: 0.221 (Depositor), 0.223 (DCC)
R-Value Observed: 0.223 (Depositor)

Space Group: I 2₁ 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 139.377	α = 90
b = 139.377	β = 90
c = 139.377	γ = 90

Software Package:

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

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-28

Deposition Author(s):

Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, China)	China	P0011953

Revision History (Full details and data files)

Version 1.0: 2026-10-28
Type: Initial release