8XC2 | pdb_00008xc2

The X-ray structure of F46C myoglobin with a covalently linked Ni-complex

• PDB DOI: https://doi.org/10.2210/pdb8XC2/pdb

• Classification: OXYGEN STORAGE
• Organism(s): Physeter macrocephalus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2023-12-07 Released: 2024-12-11 
• Deposition Author(s): Lin, Y.W., Yuan, H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 
  0.186 (Depositor), 0.189 (DCC) 
• R-Value Work: 
  0.177 (Depositor), 0.178 (DCC) 
• R-Value Observed: 
  0.177 (Depositor) 

Starting Model: experimental

Literature

The X-ray structure of F46C myoglobin with a covalently linked Ni-complex

Lin, Y.W., Yuan, H.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 18.45 kDa 
• Atom Count: 1,567 
• Modeled Residue Count: 153 
• Deposited Residue Count: 153 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Myoglobin	A	153	Physeter macrocephalus	Mutation(s): 1  Gene Names: MB EC: 1.11.1 (UniProt), 1.7 (UniProt)
UniProt
Find proteins for P02185 (Physeter macrocephalus) Explore P02185  Go to UniProtKB:  P02185

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
Y6C (Subject of Investigation/LOI)	C [auth A], D [auth A]	4-oxidanylidene-4-(1,10-phenanthrolin-5-ylamino)but-2-enoic acid C16 H11 N3 O3 TVPGTODVJPAAAB-WAYWQWQTSA-N
NI	E [auth A]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free:  0.186 (Depositor), 0.189 (DCC) 
• R-Value Work:  0.177 (Depositor), 0.178 (DCC) 
• R-Value Observed: 0.177 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.827	α = 90
b = 49.215	β = 90
c = 76.748	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-12-11 
Deposition Author(s): Lin, Y.W., Yuan, H.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2024-12-11
  Type: Initial release