Structure of PDB 3zox Chain D

Receptor sequence

>3zoxD (length=80) Species: 915 (Nitrosomonas europaea)

DADLAKKNNCIACHQVETKVVGPALKDIAAKYADKDDAATYLAGKIKGGS
SGVWGQIPMPPVNVSDADAKALADWILTLK

3D structure

• PDB: 3zox Structural Characterization of Nitrosomonas Europaea Cytochrome C-552 Variants with Marked Differences in Electronic Structure.
• Chain: D
• Resolution: 2.1 Å

Enzymatic activity

• Enzyme Commision number: 1.7.2.2: nitrite reductase (cytochrome; ammonia-forming).

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	HEC	D	N8 C10 C13 H14 G22 P23 I28 Y32 Y41 K45 I46 S50 S51 G52 V53 W54 I57 P58 M59 V63	N8 C10 C13 H14 G22 P23 I28 Y32 Y41 K45 I46 S50 S51 G52 V53 W54 I57 P58 M59 V62

Gene Ontology

Molecular Function

• GO:0005506 iron ion binding
• GO:0009055 electron transfer activity
• GO:0020037 heme binding
• GO:0046872 metal ion binding

Cellular Component

• GO:0042597 periplasmic space

External links

• PDB: RCSB:3zox, PDBe:3zox, PDBj:3zox
• PDBsum: 3zox
• PubMed: 23908017
• UniProt: P95339|CY552_NITEU Cytochrome c-552 (Gene Name=cyt)