Structure of PDB 3zk4 Chain C

Receptor sequence

>3zk4C (length=568) Species: 3873 (Lupinus luteus)

AYIKATPNVLGFEGHYTEWVTLQYSNNKPSIDDWIGVFSPANFSASTCPG
ENKMTNPPFLCSAPIKFQYANFSSHSYKDTGKGSLKLQLINQRSDFSFAL
FTGGLTNPKLIAVSNKVSFVNPNAPVYPRLAQGKTWDEITVTWTSGYDIN
DAEPFVEWGPKEGNLVKTPAGTLTFDRNTMCGAPARTVGWRDPGYIHTSF
LKELWPNREYTYKLGHRLFNGTTIWSKEYHFKASPYPGQSSVQRVVIFGD
MGKAEADGSNEYNNFQPGSLNTTKQIIQDLEDIDIVFHIGDLCYANGYIS
QWDQFTAQIEPIASTVPYMTASGNHERDWPGTGSFYGNLDSGGECGVPAQ
TMFFVPAENREKFWYSTDYGMFRFCIAHTELDWRKGTEQYEFIEKCLASV
DRQKQPWLIFLAHRVLGYSSAGFYVQEGSFEEPMGREDLQHLWQKYKVDI
AMYGHVHNYERTCPIYQNVCTNKEKHNYKGNLNGTIHVVVGGGGASLAEF
APINTTWSIFKDHDFGFVKLTAFDHSNLLLEYRKSSDGQVYDSFTISRDY
RDILACSVDSCPTTTLAS

3D structure

• PDB: 3zk4 The Structure of a Purple Acid Phosphatase Involved in Plant Growth and Pathogen Defence Exhibits a Novel Immunoglobulin-Like Fold
• Chain: C
• Resolution: 1.65 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): D272 D313 Y316 N346 H347 H435 F445 Y446 H477 H479
• Catalytic site (residue number reindexed from 1): D250 D291 Y294 N324 H325 H413 F423 Y424 H455 H457
• Enzyme Commision number: 3.1.3.2: acid phosphatase.

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	FE	C	D272 D313 Y316 H479	D250 D291 Y294 H457
BS02	MN	C	D313 N346 H435 H477	D291 N324 H413 H455
BS03	PO4	C	D313 Y316 N346 H347 H477 H479	D291 Y294 N324 H325 H455 H457

Gene Ontology

Molecular Function

• GO:0003993 acid phosphatase activity
• GO:0016787 hydrolase activity
• GO:0046872 metal ion binding

Cellular Component

• GO:0005576 extracellular region

External links

• PDB: RCSB:3zk4, PDBe:3zk4, PDBj:3zk4
• PDBsum: 3zk4
• PubMed: 25075326
• UniProt: Q8VX11