Structure of PDB 4k5l Chain A Binding Site BS02

Receptor Information
>4k5l Chain A (length=889) Species: 186763 (Plasmodium falciparum FcB1/Columbia) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PKIHYRKDYKPSGFIINQVTLNINIHDQETIVRSVLDMDISKHNVGEDLV
FDGVGLKINEISINNKKLVEGEEYTYDNEFLTIFSKFVPKSKFAFSSEVI
IHPETNYALTGLYKSKNIIVSQCEATGFRRITFFIDRPDMMAKYDVTVTA
DKEKYPVLLSNGDKVNEFEIPGGRHGARFNDPPLKPCYLFAVVAGDLKHL
SATYITKYTKKKVELYVFSEEKYVSKLQWALECLKKSMAFDEDYFGLEYD
LSRLNLVAVSDFNVGAMENKGLNIFNANSLLASKKNSIDFSYARILTVVG
HEYFHQYTGNRVTLRDWFQLTLKEGLTVHRENLFSEEMTKTVTTRLSHVD
LLRSVQFLEDSSPLSHPIRPESYVSMENFYTTTVYDKGSEVMRMYLTILG
EEYYKKGFDIYIKKNDGNTATCEDFNYAMEQAYKMKKADNSANLNQYLLW
FSQSGTPHVSFKYNYDAEKKQYSIHVNQYTKPDENQKEKKPLFIPISVGL
INPENGKEMISQTTLELTKESDTFVFNNIAVKPIPSLFRGFSAPVYIEDQ
LTDEERILLLKYDSDAFVRYNSCTNIYMKQILMNYNEFLKAKNEKLESFQ
LTPVNAQFIDAIKYLLEDPHADAGFKSYIVSLPQDRYIINFVSNLDTDVL
ADTKEYIYKQIGDKLNDVYYKMFKSLEAKADDLTYFNDESHVDFDQMNMR
TLRNTLLSLLSKAQYPNILNEIIEHSKSPYPSNWLTSLSVSAYFDKYFEL
YDKTYKLSKDDELLLQEWLKTVSRSDRKDIYEILKKLENEVLKDSKNPND
IRAVYLPFTNNLRRFHDISGKGYKLIAEVITKTDKFNPMVATQLCEPFKL
WNKLDTKRQELMLNEMNTMLQEPQISNNLKEYLLRLTNK
Ligand information
Ligand ID19N
InChIInChI=1S/C6H17N4O3P/c7-5(14(11,12)13)3-1-2-4-10-6(8)9/h5H,1-4,7H2,(H4,8,9,10)(H2,11,12,13)/t5-/m1/s1
InChIKeyGAZYHWYZAQCLLA-RXMQYKEDSA-N
SMILES
SoftwareSMILES
CACTVS 3.370N[C@@H](CCCCNC(N)=N)[P](O)(O)=O
ACDLabs 12.01O=P(O)(O)C(N)CCCCNC(=[N@H])N
OpenEye OEToolkits 1.7.6C(CCNC(=N)N)CC(N)P(=O)(O)O
OpenEye OEToolkits 1.7.6[H]/N=C(\N)/NCCCC[C@H](N)P(=O)(O)O
CACTVS 3.370N[CH](CCCCNC(N)=N)[P](O)(O)=O
FormulaC6 H17 N4 O3 P
Name[(1R)-1-amino-5-carbamimidamidopentyl]phosphonic acid
ChEMBL
DrugBank
ZINCZINC000096927709
PDB chain4k5l Chain A Residue 1102 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4k5l Synthesis and Structure-Activity Relationships of Phosphonic Arginine Mimetics as Inhibitors of the M1 and M17 Aminopeptidases from Plasmodium falciparum.
Resolution1.91 Å
Binding residue
(original residue number in PDB)		E319 A461 M462 E463 H496 E497 H500 E519 E572 Y575 Y580
Binding residue
(residue number reindexed from 1)		E124 A266 M267 E268 H301 E302 H305 E324 E377 Y380 Y385
Annotation score1
Binding affinityMOAD: Ki=11uM
PDBbind-CN: -logKd/Ki=4.96,Ki=11uM
Enzymatic activity
Catalytic site (original residue number in PDB) E463 H496 E497 H500 E519 E572 Y580
Catalytic site (residue number reindexed from 1) E268 H301 E302 H305 E324 E377 Y385
Enzyme Commision number 3.4.11.-
Gene Ontology
Molecular Function
GO:0008237 metallopeptidase activity
GO:0008270 zinc ion binding
Biological Process
GO:0006508 proteolysis

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4k5l, PDBe:4k5l, PDBj:4k5l
PDBsum4k5l
PubMed23713488
UniProtO96935|AMPN_PLAF7 Aminopeptidase N (Gene Name=M1AAP)

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