Structure of PDB 1r4l Chain A

Receptor sequence
>1r4lA (length=597) Species: 9606 (Homo sapiens) [Search protein sequence]
STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTNITEENVQNMNNAGDK
WSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNT
ILNTMSTIYSTGKVCNPDNPQECLLLEPGLNEIMANSLDYNERLWAWESW
RSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYS
RGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLG
DMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSV
GLPNMTQGFWENSMLTDPGNVQKAVCHPTAWDLGKGDFRILMCTKVTMDD
FLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHL
KSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEI
PKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTR
TLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTL
ALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYAD
3D structure
PDB1r4l ACE2 X-ray structures reveal a large hinge-bending motion important for inhibitor binding and catalysis.
ChainA
Resolution3.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
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 ZN A H374 H378 E402 H356 H360 E384
BS02 XX5 A R273 H345 P346 D368 T371 E375 H378 E402 H505 Y510 Y515 R255 H327 P328 D350 T353 E357 H360 E384 H487 Y492 Y497 BindingDB: IC50=0.44nM
Gene Ontology
Molecular Function
GO:0008237 metallopeptidase activity
GO:0008241 peptidyl-dipeptidase activity
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0016020 membrane

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

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