3CRN | pdb_00003crn

Crystal structure of response regulator receiver domain protein (CheY-like) from Methanospirillum hungatei JF-1

• PDB DOI: https://doi.org/10.2210/pdb3CRN/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Methanospirillum hungatei JF-1
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-04-07 Released: 2008-04-22 
• Deposition Author(s): Hiner, R.L., Toro, R., Patskovsky, Y., Freeman, J., Chang, S., Smith, D., Groshong, C., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.58 Å
• R-Value Free: 
  0.224 (Depositor), 0.231 (DCC) 
• R-Value Work: 
  0.183 (Depositor), 0.192 (DCC) 
• R-Value Observed: 
  0.185 (Depositor) 

Literature

Crystal structure of response regulator receiver domain protein (CheY-like) from Methanospirillum hungatei JF-1.

Hiner, R.L., Toro, R., Patskovsky, Y., Freeman, J., Chang, S., Smith, D., Groshong, C., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C.

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: 30.99 kDa 
• Atom Count: 2,288 
• Modeled Residue Count: 254 
• Deposited Residue Count: 264 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Response regulator receiver domain protein, CheY-like	A, B	132	Methanospirillum hungatei JF-1	Mutation(s): 0  Gene Names: REC, Mhun_3201
UniProt
Find proteins for Q2FNF5 (Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 / JF-1)) Explore Q2FNF5  Go to UniProtKB:  Q2FNF5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	D [auth A], E [auth A], I [auth B], J [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
NA	C [auth A], F [auth B], G [auth B], H [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET
PHD	A, B	L-PEPTIDE LINKING	C4 H8 N O7 P		ASP

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.58 Å
• R-Value Free:  0.224 (Depositor), 0.231 (DCC) 
• R-Value Work:  0.183 (Depositor), 0.192 (DCC) 
• R-Value Observed: 0.185 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.93	α = 90
b = 53.992	β = 90
c = 92.681	γ = 90

Software Package:

Software Name	Purpose
SHELXCD	phasing
SHELXE	model building
REFMAC	refinement
MAR345	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-04-22 
Deposition Author(s): Hiner, R.L., Toro, R., Patskovsky, Y., Freeman, J., Chang, S., Smith, D., Groshong, C., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2008-04-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-11-14
  Changes: Data collection, Structure summary
• Version 1.4: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.5: 2025-03-26
  Changes: Data collection, Database references, Refinement description, Structure summary