PDBsum entry 4lpm

Oxidoreductase

PDB id

4lpm

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Contents

			Protein chain

					174 a.a.

			Metals

					_MG ×11


					_CL ×6

			Waters ×305

PDB id:

4lpm

Links

Name:

Oxidoreductase

Title:

Frog m-ferritin with magnesium, d127e mutant

Structure:

Ferritin, middle subunit. Chain: a. Synonym: ferritin m, ferritin h', ferritin x. Engineered: yes. Mutation: yes

Source:

Rana catesbeiana. Bullfrogs. Organism_taxid: 8400. Expressed in: escherichia coli. Expression_system_taxid: 562

Resolution:

1.65Å

R-factor:

0.128

R-free:

0.164

Authors:

R.Torres,R.Behera,C.W.Goulding,E.C.Theil

Key ref:

R.Behera et al. D127e ion channel exit modification in ferritin nanoc entraps fe(ii) and impairs its distribution to diiron catalytic centers. To be published, .

Date:

16-Jul-13

Release date:

16-Jul-14

PROCHECK

	Headers

	References

Protein chain

P07798 (FRI2_AQUCT) - Ferritin, middle subunit from Aquarana catesbeiana

Seq: Struc:					176 a.a. 174 a.a.*

Key:

Secondary structure

CATH domain

* PDB and UniProt seqs differ at 1 residue position (black cross)



		Enzyme reactions

Enzyme class:

E.C.1.16.3.1 - ferroxidase.

[IntEnz] [ExPASy] [KEGG] [BRENDA]

Reaction:

4 Fe²⁺ + O2 + 4 H⁺ = 4 Fe³⁺ + 2 H2O

4 × Fe(2+)	+	O2	+	4 × H(+)	=	4 × Fe(3+)	+	2 × H2O

Cofactor:

Cu cation

Molecule diagrams generated from .mol files obtained from the KEGG ftp site