7MHV

Crystal Structure of Cysteine desulfurase NifS from Legionella pneumophila Philadelphia 1 in complex with pyridoxal 5'-phosphate

• PDB DOI: https://doi.org/10.2210/pdb7MHV/pdb

• Classification: TRANSFERASE
• Organism(s): Legionella pneumophila subsp. pneumophila str. Philadelphia 1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-04-15 Released: 2021-05-26 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.179 
• R-Value Work: 0.158 
• R-Value Observed: 0.159 

Starting Model: experimental

Literature

Crystal Structure of Cysteine desulfurase NifS from Legionella pneumophila Philadelphia 1 in complex with pyridoxal 5'-phosphate

Sidhu, R.S., Abendroth, J., Lorimer, D.D., Horanyi, P.S., Edwards, T.E.

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: 43.84 kDa 
• Atom Count: 3,393 
• Modelled Residue Count: 371 
• Deposited Residue Count: 395 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cysteine desulfurase	A	395	Legionella pneumophila subsp. pneumophila str. Philadelphia 1	Mutation(s): 0  Gene Names: iscS, lpg1746 EC: 2.8.1.7 (PDB Primary Data), 4.4.1 (UniProt)
UniProt
Find proteins for Q5ZUP7 (Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513)) Explore Q5ZUP7  Go to UniProtKB:  Q5ZUP7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	D [auth A], E [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
EDO	B [auth A], C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.179 
• R-Value Work: 0.158 
• R-Value Observed: 0.159 
• Space Group: C 1 2 1
• Diffraction Data: https://doi.org/10.18430/m37mhv

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 129.01	α = 90
b = 51.17	β = 110.406
c = 74.26	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
MoRDa	phasing
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-05-26 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2021-05-26
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2023-11-15
  Changes: Data collection