3B73 | pdb_00003b73

Crystal structure of the PhiH1 repressor-like protein from Haloarcula marismortui

• PDB DOI: https://doi.org/10.2210/pdb3B73/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Haloarcula marismortui ATCC 43049
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2007-10-30 Released: 2007-11-13 
• Deposition Author(s): Kim, Y., Zhou, M., Keigher, L., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.12 Å
• R-Value Free: 
  0.228 (Depositor), 0.221 (DCC) 
• R-Value Work: 
  0.194 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.196 (Depositor) 

Literature

Crystal Structure of the PhiH1 repressor-like Protein from Haloarcula marismortui.

Kim, Y., Zhou, M., Keigher, L., 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: 25.16 kDa 
• Atom Count: 1,557 
• Modeled Residue Count: 177 
• Deposited Residue Count: 222 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PhiH1 repressor-like protein	A, B	111	Haloarcula marismortui ATCC 43049	Mutation(s): 0  Gene Names: phrH2, rrnAC2285
UniProt
Find proteins for Q5V043 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809)) Explore Q5V043  Go to UniProtKB:  Q5V043

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.12 Å
• R-Value Free:  0.228 (Depositor), 0.221 (DCC) 
• R-Value Work:  0.194 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.196 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.392	α = 90
b = 53.483	β = 90
c = 89.343	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXCD	phasing
SHELXD	phasing
MLPHARE	phasing
RESOLVE	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-11-13 
Deposition Author(s): Kim, Y., Zhou, M., Keigher, L., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2007-11-13
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary