2QZG

Crystal structure of unknown function protein MMP1188

• PDB DOI: https://doi.org/10.2210/pdb2QZG/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Methanococcus maripaludis S2
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2007-08-16 Released: 2007-09-04 
• Deposition Author(s): Chang, C., Perez, V., Volkart, L., Freeman, L., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.09 Å
• R-Value Free: 
  0.262 (Depositor), 0.266 (DCC) 
• R-Value Work: 
  0.208 (Depositor), 0.207 (DCC) 
• R-Value Observed: 
  0.211 (Depositor) 

Literature

Crystal structure of MMP1188, unknown function protein.

Chang, C., Volkart, L., Freeman, 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)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 42.63 kDa 
• Atom Count: 2,885 
• Modelled Residue Count: 352 
• Deposited Residue Count: 376 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Conserved uncharacterized archaeal protein	A, B, C, D	94	Methanococcus maripaludis S2	Mutation(s): 0  Gene Names: MMP1188
UniProt
Find proteins for Q6LY05 (Methanococcus maripaludis (strain DSM 14266 / JCM 13030 / NBRC 101832 / S2 / LL)) Explore Q6LY05  Go to UniProtKB:  Q6LY05

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.09 Å
• R-Value Free:  0.262 (Depositor), 0.266 (DCC) 
• R-Value Work:  0.208 (Depositor), 0.207 (DCC) 
• R-Value Observed: 0.211 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.753	α = 90
b = 83.617	β = 111.48
c = 54.583	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-09-04 
Deposition Author(s): Chang, C., Perez, V., Volkart, L., Freeman, L., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2007-09-04
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary