Structure of PDB 3kqz Chain I

Receptor sequence

>3kqzI (length=515) Species: 36329 (Plasmodium falciparum 3D7)

SEVPQVVSLDPTSIPIEYNTPIHDIKVQVYDIKGGCNVEEGLTIFLVNNP
GKENGPVKISSKVNDKQVSEFLKDENMEKFNVKLGTSKHFYMFNDNKNSV
AVGYVGCGSVADLSEADMKRVVLSLVTMLHDNKLSKLTVVFEINVDKNLF
RFFLETLFYEYMTDERFKSTDKNEYIKHLGVYINNADTYKEEVEKARVYY
FGTYYASQLIAAPSNYCNPVSLSNAAVELAQKLNLEYKILGVKELEELKM
GAYLSVGKGSMYPNKFIHLTYKSKGDVKKKIALVGKGITFDSGGYNLKAA
PGSMIDLMKFDMSGCAAVLGCAYCVGTLKPENVEIHFLSAVCENMVSKNS
YRPGDIITASNGKTIEVGNTDAEGRLTLADALVYAEKLGVDYIVDIATLT
GAMLYSLGTSYAGVFGNNEELINKILQSSKTSNEPVWWLPIINEYRATLN
SKYADINQISSSVKASSIVASLFLKEFVQNTAWAHIDIAGVSWNFKARKP
KGFGVRLLTEFVLND

3D structure

• PDB: 3kqz Structure of the Plasmodium falciparum M17 aminopeptidase and significance for the design of drugs targeting the neutral exopeptidases
• Chain: I
• Resolution: 2.39 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): K386 R463
• Catalytic site (residue number reindexed from 1): K298 R375
• Enzyme Commision number: 3.4.11.1: leucyl aminopeptidase.
  3.4.13.-

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	CO3	I	A460 G462 R463 L487	A372 G374 R375 L399
BS02	ZN	I	K374 D379 D399 E461	K286 D291 D311 E373
BS03	ZN	I	D379 D459 E461	D291 D371 E373

Gene Ontology

Molecular Function

• GO:0030145 manganese ion binding
• GO:0046872 metal ion binding
• GO:0070006 metalloaminopeptidase activity

Biological Process

• GO:0006508 proteolysis
• GO:0019538 protein metabolic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:3kqz, PDBe:3kqz, PDBj:3kqz
• PDBsum: 3kqz
• PubMed: 20133789
• UniProt: Q8IL11|AMPL_PLAF7 Leucine aminopeptidase (Gene Name=LAP)