1YYV | pdb_00001yyv

Putative transcriptional regulator ytfH from Salmonella typhimurium

• PDB DOI: https://doi.org/10.2210/pdb1YYV/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2005-02-25 Released: 2005-04-05 
• Deposition Author(s): Osipiuk, J., Quartey, P., Lezondra, L., Moy, S., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 
  0.244 (Depositor), 0.206 (DCC) 
• R-Value Work: 
  0.201 (Depositor), 0.193 (DCC) 
• R-Value Observed: 
  0.200 (Depositor) 

Literature

X-ray crystal structure of putative transcriptional regulator ytfH from Salmonella typhimurium.

Osipiuk, J., Quartey, P., Lezondra, L., Moy, S., Collart, F., Joachimiak, A.

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)

Macromolecule Content 

• Total Structure Weight: 29.87 kDa 
• Atom Count: 1,892 
• Modeled Residue Count: 226 
• Deposited Residue Count: 262 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
putative transcriptional regulator	A, B	131	Salmonella enterica subsp. enterica serovar Typhimurium str. LT2	Mutation(s): 6  Gene Names: ytfH
UniProt
Find proteins for Q7CP90 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q7CP90  Go to UniProtKB:  Q7CP90

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	C [auth A], D [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MLY	A, B	L-PEPTIDE LINKING	C8 H18 N2 O2		LYS
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free:  0.244 (Depositor), 0.206 (DCC) 
• R-Value Work:  0.201 (Depositor), 0.193 (DCC) 
• R-Value Observed: 0.200 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.285	α = 90
b = 79.285	β = 90
c = 105.115	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHELXD	phasing
SOLVE	phasing
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-04-05 
Deposition Author(s): Osipiuk, J., Quartey, P., Lezondra, L., Moy, S., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2005-04-05
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2025-03-26
  Changes: Data collection, Database references, Derived calculations, Structure summary