Structure of PDB 6f9v Chain B

Receptor sequence

>6f9vB (length=604) Species: 9606 (Homo sapiens)

LDPGLQPGQFSADEAGAQLFAQSYQSSAEQVLFQSVAASWAHDTNITAEN
ARRQEEAALLSQEFAEAWGQKAKELYEPIWQQFTDPQLRRIIGAVRTLGS
ANLPLAKRQQYNALLSQMSRIYSTAKVCLTCWSLDPDLTNILASSRSYAM
LLFAWEGWHNAAGIPLKPLYEDFTALSNEAYKQDGFTDTGAYWRSWYNSP
TFEDDLEHLYQQLEPLYLNLHAFVRRALHRRYGDRYINLRGPIPAHLLGD
MWAQSWENIYDMVVPFPDKPNLDVTSTMLQQGWQATHMFRVAEEFFTSLE
LSPMPPEFWEGSMLEKPADGREVVCHASAWDFYNRKDFRIKQCTRVTMDQ
LSTVHHEMGHIQYYLQYKDLPVSLRRGANPGFHEAIGDVLALSVSTPEHL
HKIGLLDRVTNDTESDINYLLKMALEKIAFLPFGYLVDQWRWGVFSGRTP
PSRYNFDWWYLRTKYQGICPPVTRNETHFDAGAKFHVPNVTPYIRYFVSF
VLQFQFHEALCKEAGYEGPLHQCDIYRSTKAGAKLRKVLRAGSSRPWQEV
LKDMVGLDALDAQPLLKYFQLVTQWLQEQNQQNGEVLGWPEYQWHPPLPD
NYPE

3D structure

• PDB: 6f9v Crystal structures of sampatrilat and sampatrilat-Asp in complex with human ACE - a molecular basis for domain selectivity.
• Chain: B
• Resolution: 1.69 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): H331 A332 H361 E362 H365 E389 H491 Y501
• Catalytic site (residue number reindexed from 1): H326 A327 H356 E357 H360 E384 H486 Y496
• Enzyme Commision number: 3.4.15.1: peptidyl-dipeptidase A.

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	B	H361 H365 E389	H356 H360 E384
BS02	D0Z	B	Q259 H331 A332 S333 A334 H361 E362 H365 H388 E389 K489 H491 Y498 Y501	Q254 H326 A327 S328 A329 H356 E357 H360 H383 E384 K484 H486 Y493 Y496	MOAD: Ki=171.9nM BindingDB: Ki=14nM
BS03	MG	B	E262 N263 D354	E257 N258 D349

Gene Ontology

Molecular Function

• GO:0008237 metallopeptidase activity
• GO:0008241 peptidyl-dipeptidase activity

Biological Process

• GO:0006508 proteolysis

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:6f9v, PDBe:6f9v, PDBj:6f9v
• PDBsum: 6f9v
• PubMed: 29476645
• UniProt: P12821|ACE_HUMAN Angiotensin-converting enzyme (Gene Name=ACE)