Structure of PDB 1r4l Chain A Binding Site BS02

Receptor Information
>1r4l Chain A (length=597) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTNITEENVQNMNNAGDK
WSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNT
ILNTMSTIYSTGKVCNPDNPQECLLLEPGLNEIMANSLDYNERLWAWESW
RSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYS
RGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLG
DMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSV
GLPNMTQGFWENSMLTDPGNVQKAVCHPTAWDLGKGDFRILMCTKVTMDD
FLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHL
KSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEI
PKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTR
TLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTL
ALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYAD
Ligand information
Ligand IDXX5
InChIInChI=1S/C19H23Cl2N3O4/c1-11(2)3-16(18(25)26)23-17(19(27)28)7-15-8-22-10-24(15)9-12-4-13(20)6-14(21)5-12/h4-6,8,10-11,16-17,23H,3,7,9H2,1-2H3,(H,25,26)(H,27,28)/t16-,17-/m0/s1
InChIKeyNTCCRGGIJNDEAB-IRXDYDNUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(C)C[C@@H](C(=O)O)N[C@@H](Cc1cncn1Cc2cc(cc(c2)Cl)Cl)C(=O)O
OpenEye OEToolkits 1.5.0CC(C)CC(C(=O)O)NC(Cc1cncn1Cc2cc(cc(c2)Cl)Cl)C(=O)O
CACTVS 3.341CC(C)C[CH](N[CH](Cc1cncn1Cc2cc(Cl)cc(Cl)c2)C(O)=O)C(O)=O
ACDLabs 10.04O=C(O)C(NC(C(=O)O)Cc1cncn1Cc2cc(Cl)cc(Cl)c2)CC(C)C
CACTVS 3.341CC(C)C[C@H](N[C@@H](Cc1cncn1Cc2cc(Cl)cc(Cl)c2)C(O)=O)C(O)=O
FormulaC19 H23 Cl2 N3 O4
Name(S,S)-2-{1-CARBOXY-2-[3-(3,5-DICHLORO-BENZYL)-3H-IMIDAZOL-4-YL]-ETHYLAMINO}-4-METHYL-PENTANOIC ACID;
MLN-4760
ChEMBLCHEMBL429844
DrugBankDB12271
ZINCZINC000001549629
PDB chain1r4l Chain A Residue 804 [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]
PDB1r4l ACE2 X-ray structures reveal a large hinge-bending motion important for inhibitor binding and catalysis.
Resolution3.0 Å
Binding residue
(original residue number in PDB)
R273 H345 P346 D368 T371 E375 H378 E402 H505 Y510 Y515
Binding residue
(residue number reindexed from 1)
R255 H327 P328 D350 T353 E357 H360 E384 H487 Y492 Y497
Annotation score1
Binding affinityBindingDB: IC50=0.44nM
Enzymatic activity
Catalytic site (original residue number in PDB) H345 P346 H374 E375 H378 E402 H505 Y515
Catalytic site (residue number reindexed from 1) H327 P328 H356 E357 H360 E384 H487 Y497
Enzyme Commision number 3.4.17.-
3.4.17.23: angiotensin-converting enzyme 2.
Gene Ontology
Molecular Function
GO:0008237 metallopeptidase activity
GO:0008241 peptidyl-dipeptidase activity
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0016020 membrane

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:1r4l, PDBe:1r4l, PDBj:1r4l
PDBsum1r4l
PubMed14754895
UniProtQ9BYF1|ACE2_HUMAN Angiotensin-converting enzyme 2 (Gene Name=ACE2)

[Back to BioLiP]