Structure of PDB 4zyq Chain H

Receptor sequence

>4zyqH (length=516) Species: 186763 (Plasmodium falciparum FcB1/Columbia)

SEVPQVVSLDPTSIPIEYNTPIHDIKVQVYDIKGGCNVEEGLTIFLVNNP
GKENGPVKISSKVNDKQVSEFLKDENMEKFNVKLGTSKHFYMFNDNKNSV
AVGYVGCGSVADLSEADMKRVVLSLVTMLHDNKLSKLTVVFEINVDKNLF
RFFLETLFYEYMTDERFKSTKNVNMEYIKHLGVYINNADTYKEEVEKARV
YYFGTYYASQLIAAPSNYCNPVSLSNAAVELAQKLNLEYKILGVKELEEL
KMGAYLSVGKGSMYPNKFIHLTYKSKGDVKKKIALVGKGITFDSGGYNLK
AAPGSMIDLMKFDMSGCAAVLGCAYCVGTLKPENVEIHFLSAVCENMVSK
NSYRPGDIITASNGKTIEVGNTDAEGRLTLADALVYAEKLGVDYIVDIAT
LTGAMLYSLGTSYAGVFGNNEELINKILQSSKTSNEPVWWLPIINEYRAT
LNSKYADINQISSSVKASSIVASLFLKEFVQNTAWAHIDIAGVSWNFKAR
KPKGFGVRLLTEFVLN

3D structure

• PDB: 4zyq Potent dual inhibitors of Plasmodium falciparum M1 and M17 aminopeptidases through optimization of S1 pocket interactions.
• Chain: H
• Resolution: 2.6 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): K386 R463
• Catalytic site (residue number reindexed from 1): K300 R377
• Enzyme Commision number: 3.4.11.1: leucyl aminopeptidase.

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	4U6	H	K374 D379 G390 M392 F398 D459 E461 L487 T488 G489 L492 A577	K288 D293 G304 M306 F312 D373 E375 L401 T402 G403 L406 A491
BS02	ZN	H	K374 D379 D399 E461	K288 D293 D313 E375
BS03	ZN	H	D379 D459 E461	D293 D373 E375
BS04	CO3	H	A460 G462 R463 L487	A374 G376 R377 L401

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:4zyq, PDBe:4zyq, PDBj:4zyq
• PDBsum: 4zyq
• PubMed: 26807544
• UniProt: A0A024V0B1