Identification
Name:DnaA regulatory inactivator Hda
Synonyms:Not Available
Gene Name:hda
Enzyme Class:Not Available
Biological Properties
General Function:negative regulation of DNA-dependent DNA replication initiation
Specific Function:Mediates the interactions of DNA replication initiator protein DnaA with DNA polymerase subunit beta sliding clamp (dnaN). Stimulates hydrolysis of ATP-DnaA to ADP-DnaA, rendering DnaA inactive for reinitiation, a process called regulatory inhibition of DnaA or RIDA. ADP-binding activates Hda to hydrolyze DnaA-ATP; Hda monomers bind to ADP with about 200-fold greater affinity than for ATP. RIDA function can be genetically separated from viability, suggesting this protein has another function as well.Suppresses the toxic effect of overexpressing a TrfA N-terminal 163 residue fragment. Inhibits inner membrane-associated plasmid IncP-alpha RK2 replication probably by interacting with plasmid-encoded TrfA.
Cellular Location:Not Available
SMPDB Pathways:Not Available
KEGG Pathways:Not Available
Metabolites:
ECMDB IDNameView
GO Classification:
Function
DNA replication
DNA replication initiation
identical protein binding
membrane
negative regulation of DNA-dependent DNA replication initiation
nucleotide binding
plasma membrane
sequence-specific DNA binding
Gene Properties
Blattner:Not Available
Gene OrientationNot Available
Centisome Percentage:Not Available
Left Sequence EndNot Available
Right Sequence EndNot Available
Gene Sequence:
>702
ctgaacacaccggcacagctctctttgccactttatcttcctgacgacgaaacctttgca
agtttctggccgggggataactcctctttactggccgcgctgcaaaacgtgctgcgtcag
gaacatagcggttacatctatctctgggcacgcgaaggcgcggggcgcagccatctgctg
cacgcggcttgcgcggaattgtcgcagcgtggcgatgcggtgggctatgtcccgctggat
aaacgcacctggtttgttccggaagtgctcgacggtatggagcatttgtcgctggtctgt
atcgacaacattgagtgtattgcaggcgatgagttgtgggagatggcgattttcgatctc
tacaatcgaattctggaatcgggcaaaacacggttgttgatcaccggcgatcgtccaccg
cggcagttgaatctgggattaccggatctcgcgtcgcgactcgactgggggcagatctac
aaattgcagccactttctgatgaagataagttgcaggcgctacagttacgcgcgcgtttg
cgtggttttgaactgccggaagatgtggggcgtttcttgctgaagcggctcgacagagaa
atgcgcacgctatttatgacgttggatcagttggatcgtgcgtcgattaccgcgcaacgt
aagctgaccattccgtttgtgaaagaaattctgaagttgtag
Protein Properties
Pfam Domain Function:Not Available
Protein Residues:233
Protein Molecular Weight:26632
Protein Theoretical pI:Not Available
Signaling Regions:Not Available
Transmembrane Regions:Not Available
Protein Sequence:
>DnaA regulatory inactivator Hda
MNTPAQLSLPLYLPDDETFASFWPGDNSSLLAALQNVLRQEHSGYIYLWAREGAGRSHLL
HAACAELSQRGDAVGYVPLDKRTWFVPEVLDGMEHLSLVCIDNIECIAGDELWEMAIFDL
YNRILESGKTRLLITGDRPPRQLNLGLPDLASRLDWGQIYKLQPLSDEDKLQALQLRARL
RGFELPEDVGRFLLKRLDREMRTLFMTLDQLDRASITAQRKLTIPFVKEILKL
References
External Links:
ResourceLink
Uniprot ID:P69931
Uniprot Name:HDA_ECOLI
CCDB:HDA_ECOLI
General Reference:Not Available