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3.4.15.1: peptidyl-dipeptidase A

This is an abbreviated version!
For detailed information about peptidyl-dipeptidase A, go to the full flat file.

Word Map on EC 3.4.15.1

Reaction

release of a C-terminal dipeptide, oligopeptide-/-Xaa-Yaa, when Xaa is not Pro, and Yaa is neither Asp nor Glu. Thus, conversion of angiotensin I to angiotensin II, with increase in vasoconstrictor activity, but no action on angiotensin II =

Synonyms

ACE, ACE-1, ACE2, ACEI, ANCE, ANG I-converting enzyme, angiotensin 1 converting enzyme, angiotensin converting enzyme, angiotensin converting enzyme 1, angiotensin converting enzyme I, angiotensin converting enzyme inhibitor, angiotensin I converting enzyme, angiotensin I-converting enzyme, angiotensin-converting enzyme, angiotensin-converting enzyme 2, angiotensin-converting enzyme type 1, angiotensin-converting enzyme-2, angiotensin-converting-enzyme, angiotensin-I converting enzyme, angiotensin-I-converting enzyme, carboxycathepsin, carboxypeptidase, dipeptidyl, CD143, CD143 antigen, crab-ACE, DCP, Dcp1, Dipeptidyl carboxypeptidase, dipeptidyl carboxypeptidase I, dipeptidylcarboxypeptidase, endothelial cell peptidyl dipeptidase, gACE, germinal ACE, kinases II peptidyldipeptide hydrolase, kininase II, mACE2, More, PDH, peptidase P, peptidyl dipeptidase, peptidyl dipeptidase A, peptidyl dipeptidase I, peptidyl dipeptidase-4, peptidyl dipeptide hydrolase, peptidyl-dipeptide hydrolase, peptidyldipeptide hydrolase, rhACE2, s-ACE, sACE, sACE-1, somatic ACE, somatic angiotensin I-converting enzyme, TACE, testicular ACE, testis ACE, XcACE, zinc dipeptidyl carboxypeptidase, Zn2+ peptidyldipeptidase

ECTree

     3 Hydrolases
         3.4 Acting on peptide bonds (peptidases)
             3.4.15 Peptidyl-dipeptidases
                3.4.15.1 peptidyl-dipeptidase A

Engineering

Engineering on EC 3.4.15.1 - peptidyl-dipeptidase A

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
D377Q
site-directed mutagenesis, altered inhibition kinetics with inhibitor lisW-S compared to the wild-type enzyme
D453E
E162D
site-directed mutagenesis, altered inhibition kinetics with inhibitor lisW-S compared to the wild-type enzyme
E376D
site-directed mutagenesis, altered inhibition kinetics with inhibitor lisW-S compared to the wild-type enzyme
E403R
the mutation does not contribute individually to C domain-selective inhibitor binding
F391Y
K1087A
-
no activity with angiotensin I, kcat/KM for [Phe9]angiotensin I is 654fold lower than wild-type value, kcat/KM for [Arg10]angiotensin I is 193fold lower than wild-type value, kcat/KM for [Phe9,Arg10]angiotensin I is 462fold lower than wild-type value
L19E
the mutation alters the binding of monoclonal antibodies to the N domain of ACE and shedding of ACE domains
Q18H
the mutation alters the binding of monoclonal antibodies to the N domain of ACE and shedding of ACE domains
Q22A
the mutation alters the binding of monoclonal antibodies to the N domain of ACE and shedding of ACE domains
R1098Q
-
kcat/KM for angiotensin I is 7fold lower than wild-type value, kcat/KM for [Phe9]angiotensin I is 2.2fold higher than wild-type value, kcat/KM for [Arg10]angiotensin I is 23fold lower than wild-type value, kcat/KM for [Phe9,Arg10]angiotensin I is 1.4fold lower than wild-type value
S1270A
-
nonphosphorylatable signaling-dead ACE mutant
S516N
the S516N substitution results in a inhibitor binding affinity comparable to that of the wild type C domain
T282S
V379/V380T
the mutation displays small decrease in affinity for inhibitor (5S)-5-[(N-benzoyl)amino]-4-oxo-6-phenylhexanoyl-L-phenylalanine
V379S
V380T
V518T
Y1096F
-
kcat/KM for angiotensin I is 12fold lower than wild-type value, kcat/KM for [Phe9]angiotensin I is 8.9fold lower than wild-type value, kcat/KM for [Arg10]angiotensin I is 8.5fold lower than wild-type value, kcat/KM for [Phe9,Arg10]angiotensin I is 7fold lower than wild-type value
Y1096F/K1087A
-
no activity with angiotensin I, [Phe9]angiotensin I, [Arg10]angiotensin I, and [Phe9,Arg10]angiotensin I
S730A
-
cleavage secretion of the mutant angiotensin-converting enzyme remains susceptible to the enhancing effect of phorbol 12-myristate 13-acetate and calmodulin inhibitor CaMI
additional information