Structure of PDB 1su0 Chain B

Receptor sequence

>1su0B (length=136) Species: 1314 (Streptococcus pyogenes)

LNHLYMAVVADHSKRPHHHGQLDGVEAVQLNNPTCGDVISLTVKFDEDKI
EDIAFAGNGCTISTASSSMMTDAVIGKSKEEALALADIFSEMVQGQENPA
QKELGEAELLAGVAKFPQRIKCSTLAWNALKEAIKR

3D structure

• PDB: 1su0 Structural characterization of an iron-sulfur cluster assembly protein IscU in a zinc-bound form.
• Chain: B
• Resolution: 2.3 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	ZN	B	C40 D42 C65 C127	C35 D37 C60 C122

Gene Ontology

Molecular Function

• GO:0005506 iron ion binding
• GO:0008198 ferrous iron binding
• GO:0046872 metal ion binding
• GO:0051536 iron-sulfur cluster binding
• GO:0051537 2 iron, 2 sulfur cluster binding

Biological Process

• GO:0006879 intracellular iron ion homeostasis
• GO:0016226 iron-sulfur cluster assembly

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:1su0, PDBe:1su0, PDBj:1su0
• PDBsum: 1su0
• PubMed: 15815978
• UniProt: Q9A1G2|ISCU_STRP1 Iron-sulfur cluster assembly scaffold protein IscU (Gene Name=iscU)