4KLA

E343D variant of human ferrochelatase

• PDB DOI: https://doi.org/10.2210/pdb4KLA/pdb

• Classification: LYASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2013-05-07 Released: 2014-05-07 
• Deposition Author(s): Lanzilotta, W.N., Medlock, A.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.285 
• R-Value Work: 0.212 
• R-Value Observed: 0.215 

Literature

E343D variant of human ferrochelatase

Lanzilotta, W.N., Medlock, A.E.

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)

Macromolecule Content

• Total Structure Weight: 84.56 kDa 
• Atom Count: 6,184 
• Modelled Residue Count: 718 
• Deposited Residue Count: 718 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferrochelatase, mitochondrial	A, B	359	Homo sapiens	Mutation(s): 1  Gene Names: FECH EC: 4.99.1.1
UniProt & NIH Common Fund Data Resources
Find proteins for P22830 (Homo sapiens) Go to UniProtKB:  P22830
PHAROS:  P22830 GTEx:  ENSG00000066926

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PP9	H [auth B]	PROTOPORPHYRIN IX C34 H34 N4 O4 FEDYMSUPMFCVOD-UJJXFSCMSA-N
CHD	C [auth A], D [auth A], G [auth B]	CHOLIC ACID C24 H40 O5 BHQCQFFYRZLCQQ-OELDTZBJSA-N
FES	F [auth A], I [auth B]	FE2/S2 (INORGANIC) CLUSTER Fe2 S2 NIXDOXVAJZFRNF-UHFFFAOYSA-N
GOL	E [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.285 
• R-Value Work: 0.212 
• R-Value Observed: 0.215 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.993	α = 90
b = 93.429	β = 90
c = 111.739	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-07 
Deposition Author(s): Lanzilotta, W.N., Medlock, A.E.

Revision History  

• Version 1.0: 2014-05-07
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations