Structure of PDB 5ama Chain A

Receptor sequence

>5amaA (length=603) Species: 9606 (Homo sapiens)

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

3D structure

• PDB: 5ama The Kinetic and Structural Characterisation of Amyloid-Beta Metabolism by Human Angiotensin-1- Converting Enzyme (Ace)
• Chain: A
• Resolution: 1.8 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	ASP	A	H331 A332 T358 E362 H491	H326 A327 T353 E357 H486
BS02	SER	A	Q259 K489 H491 Y498 Y501	Q254 K484 H486 Y493 Y496
BS03	ZN	A	H361 H365 E389	H356 H360 E384

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:5ama, PDBe:5ama, PDBj:5ama
• PDBsum: 5ama
• PubMed: 26748546
• UniProt: P12821|ACE_HUMAN Angiotensin-converting enzyme (Gene Name=ACE)