Structure of PDB 3nmk Chain A

Receptor sequence

>3nmkA (length=106) Species: 562 (Escherichia coli)

ADLEDNMETLNDNLKVIEKADNAAQVKDALTKMRAAALDAQKATPPKLED
KSPDSPEMCDFAAGFAILVGQIDDALKLANEGKVKEAQAAAEQLKTTCNA
CHQKYR

3D structure

• PDB: 3nmk Porous protein frameworks with unsaturated metal centers in sterically encumbered coordination sites.
• Chain: A
• Resolution: 2.8 Å

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	HEM	A	M7 N11 F61 F65 C98 C101 H102 R106	M7 N11 F61 F65 C98 C101 H102 R106
BS02	PXX	A	D54 C59	D54 C59

Gene Ontology

Molecular Function

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

Biological Process

• GO:0022900 electron transport chain

Cellular Component

• GO:0042597 periplasmic space

External links

• PDB: RCSB:3nmk, PDBe:3nmk, PDBj:3nmk
• PDBsum: 3nmk
• PubMed: 20740227
• UniProt: P0ABE7|C562_ECOLX Soluble cytochrome b562 (Gene Name=cybC)