7EWO | pdb_00007ewo

Crystal Structure of D67A, E68P double mutant of O-acetyl-L-serine sulfhydrylase from Haemophilus influenzae

PDB DOI: https://doi.org/10.2210/pdb7EWO/pdb

Classification: TRANSFERASE
Organism(s): Haemophilus influenzae Rd KW20
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
Mutation(s): Yes

Deposited: 2021-05-25 Released: 2021-06-23
Deposition Author(s): Rahisuddin, R., Ekka, M.K., Singh, A.K., Saini, N., Patel, M., Kumar, N., Kumaran, S.
Funding Organization(s): Department of Biotechnology (DBT, India)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Free:
0.257 (Depositor), 0.250 (DCC)
R-Value Work:
0.192 (Depositor), 0.180 (DCC)
R-Value Observed:
0.195 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

This is version 1.1 of the entry. See complete history.

Literature

Crystal Structure of D67A, E68P double mutant of O-acetyl-L-serine sulfhydrylase from Haemophilus influenzae

Rahisuddin, R., Ekka, M.K., Singh, A.K., Saini, N., Patel, M., Kumaran, S.

To be published.

Macromolecule Content

Total Structure Weight: 37.24 kDa
Atom Count: 2,154
Modeled Residue Count: 299
Deposited Residue Count: 350
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cysteine synthase	A	350	Haemophilus influenzae Rd KW20	Mutation(s): 2 Gene Names: cysK, HI_1103 EC: 2.5.1.47
UniProt
Find proteins for P45040 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)) Explore P45040 Go to UniProtKB: P45040
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P45040
Sequence Annotations Expand
Reference Sequence

Small Molecules

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
LLP Query on LLP	A	L-PEPTIDE LINKING	C₁₄ H₂₂ N₃ O₇ P		LYS

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Free: 0.257 (Depositor), 0.250 (DCC)
R-Value Work: 0.192 (Depositor), 0.180 (DCC)
R-Value Observed: 0.195 (Depositor)

Space Group: I 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 113.212	α = 90
b = 113.212	β = 90
c = 43.475	γ = 90

Software Package:

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

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2021-06-23

Deposition Author(s):

Funding Organization	Location	Grant Number
Department of Biotechnology (DBT, India)	India	BT/PR5236/MED/29/504/2012

Revision History (Full details and data files)

Version 1.0: 2021-06-23
Type: Initial release
Version 1.1: 2023-11-29
Changes: Data collection, Database references, Refinement description

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.