2025-08-30_00000339|ligand|9QAP

Human angiotensin-1 converting enzyme C-domain in complex with quinaprilat; X-ray diffraction 1.50Å

Protein #1 578 residues (99% resolved)

Raw Sequence ...

DEAEASKFVEEYDRTSQVVWNEYAGANWNYNTNITTETSKILLQKNMQIAQHTLKYGTQARKFDVNQLQNTTIKRIIKKVQDLERAALPAQELEEYNKILLDMETTYSVATVCHPQGSCLQLEPDLTNVMATSRKYEDLLWAWEGWRDKAGRAILQFYPKYVELINQAARLNGYVDAGDSWRSMYETPSLEQDLERLFQELQPLYLNLHAYVRRALHRHYGAQHINLEGPIPAHLLGNMWAQTWSNIYDLVVPFPSAPSMDTTEAMLKQGWTPRRMFKEADDFFTSLGLLPVPPEFWQKSMLEKPTDGREVVCHASAWDFYNGKDFRIKQCTTVNLEDLVVAHHEMGHIQYFMQYKDLPVALREGANPGFHEAIGDVLALSVSTPKHLHSLNLLSSEGGSDEHDINFLMKMALDKIAFIPFSYLVDQWRWRVFDGSITKENYNQEWWSLRLKYQGL(CSO)PPVPRTQGDFDPGAKFHIPSSVPYIRYFVSFIIQFQFHEALCQAAGHTGPLHKCDIYQSKEAGQRLATAMKLGFSRPWPEAMQLITGQPQMSASAMLSYFKPLLDWLRTENELHGEKLGWP

Canonical Sequence ...

DEAEASKFVEEYDRTSQVVWNEYAGANWNYNTNITTETSKILLQKNMQIAQHTLKYGTQARKFDVNQLQNTTIKRIIKKVQDLERAALPAQELEEYNKILLDMETTYSVATVCHPQGSCLQLEPDLTNVMATSRKYEDLLWAWEGWRDKAGRAILQFYPKYVELINQAARLNGYVDAGDSWRSMYETPSLEQDLERLFQELQPLYLNLHAYVRRALHRHYGAQHINLEGPIPAHLLGNMWAQTWSNIYDLVVPFPSAPSMDTTEAMLKQGWTPRRMFKEADDFFTSLGLLPVPPEFWQKSMLEKPTDGREVVCHASAWDFYNGKDFRIKQCTTVNLEDLVVAHHEMGHIQYFMQYKDLPVALREGANPGFHEAIGDVLALSVSTPKHLHSLNLLSSEGGSDEHDINFLMKMALDKIAFIPFSYLVDQWRWRVFDGSITKENYNQEWWSLRLKYQGLCPPVPRTQGDFDPGAKFHIPSSVPYIRYFVSFIIQFQFHEALCQAAGHTGPLHKCDIYQSKEAGQRLATAMKLGFSRPWPEAMQLITGQPQMSASAMLSYFKPLLDWLRTENELHGEKLGWP

Non polymer #2 A1I5A

InChI=1S/C23H26N2O5/c1-15(24-19(22(27)28)12-11-16-7-3-2-4-8-16)21(26)25-14-18-10-6-5-9-17(18)13-20(25)23(29)30/h2-10,15,19-20,24H,11-14H2,1H3,(H,27,28)(H,29,30)/t15-,19-,20-/m0/s1

SMILES: C[C@@H](C(=O)N1Cc2ccccc2C[C@H]1C(=O)O)N[C@@H](CCc3ccccc3)C(=O)O

C[C@@H](C(=O)N1Cc2ccccc2C[C@H]1C(=O)O)N[C@@H](CCc3ccccc3)C(=O)O

Non polymer #3 BO3

InChI=1S/BH3O3/c2-1(3)4/h2-4H

SMILES: B(O)(O)O

B(O)(O)O

Non polymer #4 CL

InChI=1S/ClH/h1H/p-1

SMILES: [Cl-]

[Cl-]

Non polymer #5 EDO

InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

SMILES: C(CO)O

C(CO)O

Non polymer #6 IMD

InChI=1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)/p+1

SMILES: c1c[nH+]c[nH]1

c1c[nH+]c[nH]1

Non polymer #7 NA

InChI=1S/Na/q+1

SMILES: [Na+]

[Na+]

Non polymer #8 PEG

InChI=1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2

SMILES: C(COCCO)O

C(COCCO)O

Non polymer #9 ZN

InChI=1S/Zn/q+2

SMILES: [Zn+2]

[Zn+2]

Biounit #1 hetero-1-1-mer

Reference