7LDQ | pdb_00007ldq

Crystal structure of putative NAD(P)H-flavin oxidoreductase from Haemophilus influenzae R2846

• PDB DOI: https://doi.org/10.2210/pdb7LDQ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Haemophilus influenzae R2846
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-01-13 Released: 2021-01-27 
• Deposition Author(s): Maltseva, N., Kim, Y., Endres, M., Crofts, T., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)
• Funding Organization(s): National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free: 
  0.159 (Depositor), 0.160 (DCC) 
• R-Value Work: 
  0.142 (Depositor), 0.140 (DCC) 
• R-Value Observed: 
  0.143 (Depositor) 

Literature

Crystal structure of putative NAD(P)H-flavin oxidoreductase from Haemophilus influenzae R2846

Maltseva, N., Kim, Y., Endres, M., Crofts, T., 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 Evidence: homology

Macromolecule Content 

• Total Structure Weight: 26.63 kDa 
• Atom Count: 2,313 
• Modeled Residue Count: 221 
• Deposited Residue Count: 223 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NAD(P)H-dependent oxidoreductase	A	223	Haemophilus influenzae R2846	Mutation(s): 0  Gene Names: CH638_05260 EC: 1

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMN (Subject of Investigation/LOI)	B [auth A]	FLAVIN MONONUCLEOTIDE C17 H21 N4 O9 P FVTCRASFADXXNN-SCRDCRAPSA-N
ACY	C [auth A]	ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N
FMT	F [auth A], G [auth A]	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-UHFFFAOYSA-N
CA	D [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
CL	E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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: 1.15 Å
• R-Value Free:  0.159 (Depositor), 0.160 (DCC) 
• R-Value Work:  0.142 (Depositor), 0.140 (DCC) 
• R-Value Observed: 0.143 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.1	α = 90
b = 84.838	β = 115.831
c = 53.977	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-01-27 
Deposition Author(s): Maltseva, N., Kim, Y., Endres, M., Crofts, T., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)	United States	--

Revision History  

• Version 1.0: 2021-01-27
  Type: Initial release
  
• Version 1.1: 2024-11-06
  Changes: Data collection, Database references, Structure summary