6Q1Q | pdb_00006q1q

A hypothetical aminotransferase from Mycobacterium tuberculosis, apo form

• PDB DOI: https://doi.org/10.2210/pdb6Q1Q/pdb

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


• Deposited: 2019-08-05 Released: 2020-09-23 
• Deposition Author(s): Duan, L., Sacchettini, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 
  0.229 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.195 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.196 (Depositor) 

Starting Model: experimental

Literature

A hypothetical aminotransferase from Mycobacterium tuberculosis

Duan, L., Sacchettini, J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 63.32 kDa 
• Atom Count: 4,525 
• Modeled Residue Count: 570 
• Deposited Residue Count: 582 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Probable amino acid aminotransferase	A, B	291	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: Rv0812 EC: 4.1.3.38 (UniProt), 2.6.1.21 (UniProt)
UniProt
Find proteins for Q79FW0 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore Q79FW0  Go to UniProtKB:  Q79FW0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	C [auth A], D [auth A]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
EDO	E [auth A], F [auth A], G [auth A], H [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free:  0.229 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.195 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.196 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.383	α = 90
b = 66.486	β = 90.09
c = 97.51	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-09-23 
Deposition Author(s): Duan, L., Sacchettini, J.

Revision History  

• Version 1.0: 2020-09-23
  Type: Initial release
  
• Version 1.1: 2023-10-11
  Changes: Data collection, Database references, Refinement description