2IAB | pdb_00002iab

Crystal structure of a protein with FMN-binding split barrel fold (NP_828636.1) from Streptomyces avermitilis at 2.00 A resolution

• PDB DOI: https://doi.org/10.2210/pdb2IAB/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Streptomyces avermitilis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-09-07 Released: 2006-09-19 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.230 (Depositor), 0.237 (DCC) 
• R-Value Work: 
  0.178 (Depositor), 0.187 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Literature

Crystal structure of hypothetical protein (NP_828636.1) from STREPTOMYCES AVERMITILIS at 2.00 A resolution

Joint Center for Structural Genomics (JCSG)

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: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 34.32 kDa 
• Atom Count: 2,567 
• Modelled Residue Count: 304 
• Deposited Residue Count: 310 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein	A, B	155	Streptomyces avermitilis	Mutation(s): 2  Gene Names: NP_828636.1
UniProt
Find proteins for Q825J7 (Streptomyces avermitilis (strain ATCC 31267 / DSM 46492 / JCM 5070 / NBRC 14893 / NCIMB 12804 / NRRL 8165 / MA-4680)) Explore Q825J7  Go to UniProtKB:  Q825J7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IPA	C [auth A], D [auth B], E [auth B], F [auth B]	ISOPROPYL ALCOHOL C3 H8 O KFZMGEQAYNKOFK-UHFFFAOYSA-N

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: 2.00 Å
• R-Value Free:  0.230 (Depositor), 0.237 (DCC) 
• R-Value Work:  0.178 (Depositor), 0.187 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M32IAB

Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.89	α = 90
b = 87.89	β = 90
c = 151.58	γ = 120

Software Package:

Software Name	Purpose
MolProbity	model building
SOLVE	phasing
REFMAC	refinement
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
DENZO	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-09-19 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2006-09-19
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary