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Receptor Information

>1hpx Chain A (length=99) Species: 11676 (Human immunodeficiency virus 1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

PQITLWQRPLVTIKIGGQLKEALLDTGADDTVLEEMSLPGRWKPKMIGGI
GGFIKVRQYDQILIEICGHKAIGTVLVGPTPVNIIGRNLLTQIGCTLNF

Ligand ID

KNI

InChI

InChI=1S/C33H41N5O6S2/c1-33(2,3)37-31(42)26-19-46-20-38(26)32(43)29(40)24(15-21-9-6-5-7-10-21)36-30(41)25(18-45-4)35-28(39)17-44-27-12-8-11-22-16-34-14-13-23(22)27/h5-14,16,24-26,29,40H,15,17-20H2,1-4H3,(H,35,39)(H,36,41)(H,37,42)/t24-,25-,26-,29-/m0/s1

InChIKey

NJBBLOIWMSYVCQ-VZTVMPNDSA-N

SMILES

Software	SMILES
CACTVS 3.370	CSC[CH](NC(=O)COc1cccc2cnccc12)C(=O)N[CH](Cc3ccccc3)[CH](O)C(=O)N4CSC[CH]4C(=O)NC(C)(C)C
OpenEye OEToolkits 1.7.0	CC(C)(C)NC(=O)[C@@H]1CSCN1C(=O)[C@H]([C@H](Cc2ccccc2)NC(=O)[C@H](CSC)NC(=O)COc3cccc4c3ccnc4)O
OpenEye OEToolkits 1.7.0	CC(C)(C)NC(=O)C1CSCN1C(=O)C(C(Cc2ccccc2)NC(=O)C(CSC)NC(=O)COc3cccc4c3ccnc4)O
CACTVS 3.370	CSC[C@H](NC(=O)COc1cccc2cnccc12)C(=O)N[C@@H](Cc3ccccc3)[C@H](O)C(=O)N4CSC[C@H]4C(=O)NC(C)(C)C
ACDLabs 12.01	O=C(NC(C)(C)C)C4N(C(=O)C(O)C(NC(=O)C(NC(=O)COc2c1ccncc1ccc2)CSC)Cc3ccccc3)CSC4

Formula

C33 H41 N5 O6 S2

Name

(4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-({N-[(isoquinolin-5-yloxy)acetyl]-S-methyl-L-cysteinyl}amino)-4-phenylbutanoyl]-1,3-thiazolidine-4-carboxamide;
KNI-272;
(N-TERT-BUTYL-THIOPROLINE)-(5-ISOQUINOLYLOXYACETYL-METHYLTHIOALANINE)-ALLOPHENYLNORSTATINE

PDB chain

1hpx Chain B Residue 900 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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PDB	1hpx Structure of HIV-1 protease with KNI-272, a tight-binding transition-state analog containing allophenylnorstatine.
Resolution	2.0 Å
Binding residue (original residue number in PDB)	R8 D25 G27 P81 V82 I84
Binding residue (residue number reindexed from 1)	R8 D25 G27 P81 V82 I84
Annotation score	1
Binding affinity	PDBbind-CN: -logKd/Ki=11.26,Ki=5.5pM

Catalytic site (original residue number in PDB)	D25 T26 G27
Catalytic site (residue number reindexed from 1)	D25 T26 G27
Enzyme Commision number	2.7.7.- 2.7.7.49: RNA-directed DNA polymerase. 2.7.7.7: DNA-directed DNA polymerase. 3.1.-.- 3.1.13.2: exoribonuclease H. 3.1.26.13: retroviral ribonuclease H. 3.4.23.16: HIV-1 retropepsin.

	Molecular Function
GO:0004190	aspartic-type endopeptidase activity

	Biological Process
GO:0006508	proteolysis

PDB	RCSB:1hpx, PDBe:1hpx, PDBj:1hpx
PDBsum	1hpx
PubMed	8590019
UniProt	P03367\|POL_HV1BR Gag-Pol polyprotein (Gene Name=gag-pol)

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Structure of PDB 1hpx Chain A Binding Site BS01