3NGW

Crystal Structure of Molybdopterin-guanine dinucleotide biosynthesis protein A from Archaeoglobus fulgidus, Northeast Structural Genomics Consortium Target GR189

• PDB DOI: https://doi.org/10.2210/pdb3NGW/pdb

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Archaeoglobus fulgidus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-06-13 Released: 2010-08-11 
• Deposition Author(s): Forouhar, F., Neely, H., Seetharaman, J., Patel, P., Xiao, R., Ciccosanti, C., Wang, H., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.31 Å
• R-Value Free: 0.226 
• R-Value Work: 0.183 
• R-Value Observed: 0.187 

Literature

Northeast Structural Genomics Consortium Target GR189

Forouhar, F., Neely, H., Seetharaman, J., Patel, P., Xiao, R., Ciccosanti, C., Wang, H., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: light scattering

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 24.1 kDa 
• Atom Count: 1,619 
• Modelled Residue Count: 195 
• Deposited Residue Count: 208 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Molybdopterin-guanine dinucleotide biosynthesis protein A (MobA)	A	208	Archaeoglobus fulgidus	Mutation(s): 0  Gene Names: AF_2005, mobA
UniProt
Find proteins for O28274 (Archaeoglobus fulgidus (strain ATCC 49558 / DSM 4304 / JCM 9628 / NBRC 100126 / VC-16)) Explore O28274  Go to UniProtKB:  O28274

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	B [auth A], C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.31 Å
• R-Value Free: 0.226 
• R-Value Work: 0.183 
• R-Value Observed: 0.187 
• Space Group: I 2₁ 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 116.1	α = 90
b = 116.1	β = 90
c = 116.1	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SnB	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-08-11 
Deposition Author(s): Forouhar, F., Neely, H., Seetharaman, J., Patel, P., Xiao, R., Ciccosanti, C., Wang, H., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2010-08-11
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-17
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary