Cloned (Comment) | Organism |
---|---|
expression of BirA from pET-based vector pHBA in Escherichia coli BL21 (lambdaDE3) | Escherichia coli |
Protein Variants | Comment | Organism |
---|---|---|
G115S | site-directed mutagenesis | Escherichia coli |
I272X | site-directed mutagenesis | Escherichia coli |
K122E | site-directed mutagenesis | Escherichia coli |
K277E | site-directed mutagenesis | Escherichia coli |
K283E | site-directed mutagenesis | Escherichia coli |
K321E | site-directed mutagenesis | Escherichia coli |
R182E | site-directed mutagenesis | Escherichia coli |
R212E | site-directed mutagenesis | Escherichia coli |
R213E | site-directed mutagenesis | Escherichia coli |
R317E | site-directed mutagenesis | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0002 | - |
biotin | mutant K283E | Escherichia coli | |
0.00027 | - |
biotin | mutant K321E | Escherichia coli | |
0.0003 | - |
biotin | wild-type enzyme | Escherichia coli | |
0.0006 | - |
biotin | mutant K277E | Escherichia coli | |
0.0007 | - |
biotin | mutant R317E | Escherichia coli | |
0.0025 | - |
biotin | mutant R317E, wild-type BCCP biotin domain | Escherichia coli | |
0.0033 | - |
biotin | mutant R317E, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.0035 | - |
biotin | mutant K277E, wild-type BCCP biotin domain | Escherichia coli | |
0.006 | - |
biotin | mutant K321E, wild-type BCCP biotin domain | Escherichia coli | |
0.007 | - |
biotin | wild-type enzyme, wild-type BCCP biotin domain | Escherichia coli | |
0.008 | - |
biotin | mutant K283E, wild-type BCCP biotin domain | Escherichia coli | |
0.009 | - |
biotin | mutant K277E, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.0112 | - |
biotin | wild-type enzyme, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.013 | - |
biotin | mutant K321E, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.015 | - |
biotin | mutant K283E, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.2 | - |
ATP | wild-type enzyme | Escherichia coli | |
0.28 | - |
ATP | mutant K321E | Escherichia coli | |
0.29 | - |
ATP | mutant K283E | Escherichia coli | |
1.37 | - |
ATP | mutant K277E | Escherichia coli | |
5.1 | - |
ATP | mutant R317E | Escherichia coli |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
35300 | - |
SDS-PAGE | Escherichia coli |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | Escherichia coli | also functions to repress the biotin biosynthetic operon and synthesizes its own corepressor, biotinyl-5'-AMP, the catalytic intermediate of the biotinylation reaction, catalyzes key reactions in essential metabolic processes, essential for survival | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Purification (Comment) | Organism |
---|---|
mutants K277E, R317E, and K321E | Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + biotin + [biotin carboxyl-carrier protein]-L-lysine | ATP in form of MgATP2- | Escherichia coli | AMP + diphosphate + [biotin carboxyl-carrier protein]-N6-biotinyl-L-lysine | - |
? | |
biotin + ATP + apo-[acetyl-CoA:carbon-dioxide ligase (ADP-forming)] | catalyzes the covalent attachment of the biotin prosthetic group to a specific lysine of the biotin carboxyl carrier domain of biotin-dependent carboxylases in a two-step reaction | Escherichia coli | AMP + diphosphate + [acetyl-CoA:carbon-dioxide ligase (ADP-forming)] | - |
r | |
additional information | also functions to repress the biotin biosynthetic operon and synthesizes its own corepressor, biotinyl-5'-AMP, the catalytic intermediate of the biotinylation reaction, catalyzes key reactions in essential metabolic processes, essential for survival | Escherichia coli | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
biotin protein ligase | - |
Escherichia coli |
BirA | - |
Escherichia coli |
BirA protein | - |
Escherichia coli |
Holocarboxylase synthetase | - |
Escherichia coli |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.037 | - |
biotin | mutant R317E | Escherichia coli | |
0.081 | - |
ATP | mutant K277E | Escherichia coli | |
0.09 | - |
biotin | mutant R317E, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.12 | - |
biotin | mutant R317E, wild-type BCCP biotin domain | Escherichia coli | |
0.17 | - |
ATP | wild-type enzyme | Escherichia coli | |
0.17 | - |
biotin | mutant K283E | Escherichia coli | |
0.2 | - |
ATP | mutant K321E | Escherichia coli | |
0.24 | - |
biotin | wild-type enzyme, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.25 | - |
biotin | mutant K277E, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.26 | - |
biotin | mutant K277E, wild-type BCCP biotin domain | Escherichia coli | |
0.28 | - |
ATP | mutant K283E | Escherichia coli | |
0.28 | - |
biotin | mutant K321E | Escherichia coli | |
0.3 | - |
biotin | wild type enzyme and mutant K277E | Escherichia coli | |
0.32 | - |
ATP | mutant K321E | Escherichia coli | |
0.44 | - |
biotin | wild-type enzyme, wild-type BCCP biotin domain | Escherichia coli | |
0.6 | - |
biotin | mutant K321E, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.8 | - |
biotin | mutant K321E, wild-type BCCP biotin domain and mutant K283E, E147Kmutant BCCP biotin domain | Escherichia coli | |
0.9 | - |
biotin | mutant K283E, wild-type BCCP biotin domain | Escherichia coli |