Structure of PDB 4iuv Chain A

Receptor sequence

>4iuvA (length=134) Species: 3702 (Arabidopsis thaliana)

SADLAFEAKSARDYAWYDVSSFLTYRVLRTGELEVRVRFSGFDNRHDEWV
NVKTSVRERSIPVEPSECGRVNVGDLLLCFQEREDQALYCDGHVLNIKRG
IHDHARCNCVFLVRYELDNTEESLGLERICRRPE

3D structure

• PDB: 4iuv Polymerase IV occupancy at RNA-directed DNA methylation sites requires SHH1.
• 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	peptide	A	E130 R135 Y140 D141 H169 P185 F203 E207 D208 Q209 A210 Y212	E7 R12 Y17 D18 H46 P62 F80 E84 D85 Q86 A87 Y89
BS02	ZN	A	C191 H225 C232	C68 H102 C109
BS03	CVM	A	F129 F145 K176	F6 F22 K53

Gene Ontology

Molecular Function

• GO:0003682 chromatin binding

External links

• PDB: RCSB:4iuv, PDBe:4iuv, PDBj:4iuv
• PDBsum: 4iuv
• PubMed: 23636332
• UniProt: Q9XI47|SHH1_ARATH Protein SAWADEE HOMEODOMAIN HOMOLOG 1 (Gene Name=SHH1)