7TT9

Crystal structure of Shewanella benthica Group 1 truncated hemoglobin C51S C71S Y34F variant

• PDB DOI: https://doi.org/10.2210/pdb7TT9/pdb

• Classification: HEME BINDING PROTEIN
• Organism(s): Shewanella benthica KT99
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2022-02-01 Released: 2022-02-16 
• Deposition Author(s): Martinez, J.E., Liu, K., Siegler, M.A., Schlessman, J.L., Lecomte, J.T.J.
• Funding Organization(s): National Science Foundation (NSF, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.203 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 

Literature

Crystal structure of Shewanella benthica Group 1 truncated hemoglobin C51S C71S Y34F variant

Martinez, J.E., Liu, K., Siegler, M.A., Schlessman, J.L., Lecomte, J.T.J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 53.76 kDa 
• Atom Count: 4,293 
• Modelled Residue Count: 464 
• Deposited Residue Count: 464 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Group 1 truncated hemoglobin	A, B, C, D	116	Shewanella benthica KT99	Mutation(s): 3  Gene Names: KT99_16901
UniProt
Find proteins for A9DF82 (Shewanella benthica KT99) Explore A9DF82  Go to UniProtKB:  A9DF82

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM (Subject of Investigation/LOI)	E [auth A], F [auth B], G [auth C], H [auth D]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.203 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 27.38	α = 90
b = 105.05	β = 90
c = 151.08	γ = 90

Software Package:

Software Name	Purpose
CrysalisPro	data reduction
CrysalisPro	data scaling
PHENIX	phasing
PHENIX	refinement
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-02-16 
Deposition Author(s): Martinez, J.E., Liu, K., Siegler, M.A., Schlessman, J.L., Lecomte, J.T.J.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, United States)	United States	CHE-2003950

Revision History  

• Version 1.0: 2022-02-16
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description