Structure of PDB 4l1a Chain A Binding Site BS01

Receptor Information
>4l1a 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]
PQITLWQRPIVTIKIGGQLKEALLNTGADDTVLEEVNLPGRWKPKLIGGI
GGFVKVRQYDQVPIEICGHKVIGTVLVGPTPTNVIGRNLMTQIGCTLNF
Ligand information
Ligand IDAB1
InChIInChI=1S/C37H48N4O5/c1-25(2)34(41-20-12-19-38-37(41)45)36(44)39-30(21-28-15-7-5-8-16-28)23-32(42)31(22-29-17-9-6-10-18-29)40-33(43)24-46-35-26(3)13-11-14-27(35)4/h5-11,13-18,25,30-32,34,42H,12,19-24H2,1-4H3,(H,38,45)(H,39,44)(H,40,43)/t30-,31-,32-,34-/m0/s1
InChIKeyKJHKTHWMRKYKJE-SUGCFTRWSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(NC(Cc1ccccc1)C(O)CC(NC(=O)C(N2C(=O)NCCC2)C(C)C)Cc3ccccc3)COc4c(cccc4C)C
OpenEye OEToolkits 1.5.0Cc1cccc(c1OCC(=O)N[C@@H](Cc2ccccc2)[C@H](C[C@H](Cc3ccccc3)NC(=O)[C@H](C(C)C)N4CCCNC4=O)O)C
CACTVS 3.341CC(C)[C@H](N1CCCNC1=O)C(=O)N[C@H](C[C@H](O)[C@H](Cc2ccccc2)NC(=O)COc3c(C)cccc3C)Cc4ccccc4
CACTVS 3.341CC(C)[CH](N1CCCNC1=O)C(=O)N[CH](C[CH](O)[CH](Cc2ccccc2)NC(=O)COc3c(C)cccc3C)Cc4ccccc4
OpenEye OEToolkits 1.5.0Cc1cccc(c1OCC(=O)NC(Cc2ccccc2)C(CC(Cc3ccccc3)NC(=O)C(C(C)C)N4CCCNC4=O)O)C
FormulaC37 H48 N4 O5
NameN-{1-BENZYL-4-[2-(2,6-DIMETHYL-PHENOXY)-ACETYLAMINO]-3-HYDROXY-5-PHENYL-PENTYL}-3-METHYL-2-(2-OXO-TETRAHYDRO-PYRIMIDIN-1-YL)-BUTYRAMIDE;
ABT-378;
LOPINAVIR
ChEMBLCHEMBL729
DrugBankDB01601
ZINCZINC000003951740
PDB chain4l1a Chain A Residue 101 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB4l1a Crystallographic study of multi-drug resistant HIV-1 protease lopinavir complex: mechanism of drug recognition and resistance.
Resolution1.9 Å
Binding residue
(original residue number in PDB)
N25 G27 A28 D29 D30 I50 P81 T82 V84
Binding residue
(residue number reindexed from 1)
N25 G27 A28 D29 D30 I50 P81 T82 V84
Annotation score1
Binding affinityMOAD: ic50=5.39nM
PDBbind-CN: -logKd/Ki=8.27,IC50=5.39nM
Enzymatic activity
Catalytic site (original residue number in PDB) N25 T26 G27
Catalytic site (residue number reindexed from 1) N25 T26 G27
Enzyme Commision number 3.1.26.13: retroviral ribonuclease H.
Gene Ontology
Molecular Function
GO:0004190 aspartic-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:4l1a, PDBe:4l1a, PDBj:4l1a
PDBsum4l1a
PubMed23792096
UniProtQ000H7

[Back to BioLiP]