6MX1 | pdb_00006mx1

The crystal structure of the regulatory domain of aspartokinase in the bifunctional aspartokinase/homoserine dehydrogenase 1 from Escherichia coli str. K-12 substr. MG1655

PDB DOI: https://doi.org/10.2210/pdb6MX1/pdb

Classification: TRANSFERASE, HYDROLASE
Organism(s): Escherichia coli str. K-12 substr. MG1655
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2018-10-30 Released: 2018-11-07
Deposition Author(s): Tan, K., Endres, M., Welk, L., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)
Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.67 Å
R-Value Free:
0.215 (Depositor), 0.216 (DCC)
R-Value Work:
0.178 (Depositor), 0.180 (DCC)
R-Value Observed:
0.180 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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This is version 1.2 of the entry. See complete history.

Literature

The crystal structure of the regulatory domain of aspartokinase in the bifunctional aspartokinase/homoserine dehydrogenase 1 from Escherichia coli str. K-12 substr. MG1655

Tan, K., Endres, M., Welk, L., Joachimiak, A.

To be published.

Macromolecule Content

Total Structure Weight: 35.05 kDa
Atom Count: 2,385
Modeled Residue Count: 311
Deposited Residue Count: 326
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bifunctional aspartokinase/homoserine dehydrogenase 1	A, B	163	Escherichia coli str. K-12 substr. MG1655	Mutation(s): 0 Gene Names: thrA, thrA1, thrA2, b0002, JW0001 EC: 2.7.2.4 (PDB Primary Data), 1.1.1.3 (PDB Primary Data)
UniProt
Find proteins for P00561 (Escherichia coli (strain K12)) Explore P00561 Go to UniProtKB: P00561
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P00561
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.67 Å
R-Value Free: 0.215 (Depositor), 0.216 (DCC)
R-Value Work: 0.178 (Depositor), 0.180 (DCC)
R-Value Observed: 0.180 (Depositor)

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.642	α = 90
b = 54.55	β = 99.3
c = 65.242	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2018-11-07

Deposition Author(s):

Center for Structural Genomics of Infectious Diseases (CSGID)

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	HHSN272201700060C

Revision History (Full details and data files)

Version 1.0: 2018-11-07
Type: Initial release
Version 1.1: 2019-12-18
Changes: Author supporting evidence
Version 1.2: 2023-10-11
Changes: Data collection, Database references, Refinement description

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.