About Products Protein Database Contact

cpnT

Gene
cpnT
Protein
Outer membrane channel protein CpnT
Organism
Mycobacterium bovis (strain BCG / Pasteur 1173P2)
Length
846 amino acids
Function
The N-terminal domain (NTD) forms an outer membrane channel and is used for uptake of nutrients across the outer membrane. Also confers susceptibility to structurally different antibiotics and antituberculosis drugs, and to toxic immune factors such as nitric oxide (NO). The C-terminal domain (TNT) is dispensable for normal growth in macrophages.
Mass
88.335 kDa
Sequence
MAPLAVDPAALDSAGGAVVAAGAGLGAVISSLTAALAGCAGMAGDDPAGAVFGRSYDGSAAALVQAMSVARNGLCNLGDGVRMSAHNYSLAEAMSDVAGRAAPLPAPPPSGCVGVGAPPSAVGGGGGAPKGWGWVAPYIGMIWPNGDSTKLRAAAVAWRSAGTQFALTEIQSTAGPMGVIRAQQLPEAGLIESAFADAYASTTAVVGQCHQLAAQLDAYAARIDAVHAAVLDLLARICDPLTGIKEVWEFLTDQDEDEIQRIAHDIAVVVDQFSGEVDALAAEITAVVSHAEAVITAMADHAGKQWDRFLHSNPVGVVIDGTGQQLKGFGEEAFGMAKDSWDLGPLRASIDPFGWYRSWEEMLTGMAPLAGLGGENAPGVVESWKQFGKSLIHWDEWTTNPNEALGKTVFDAATLALPGGPLSKLGSKGRDILAGVRGLKERLEPTTPHLEPPATPPRPGPQPPRIEPPESGHPAPAPAAKPAPVPANGPLPHSPTESKPPPVDRPAEPVAPSSASAGQPRVSAATTPGTHVPHGLPQPGEHVPAQAPPATTLLGGPPVESAPATAHQPQWATTPAAPAAAPHSTPGGVHSTESGPHGRSLSAHGSEPTHDGASHGSGHGSGSEPPGLHAPHREQQLAMHSNEPAGEGWHRLSDEAVDPQYGEPLSRHWDFTDNPADRSRINPVVAQLMEDPNAPFGRDPQGQPYTQERYQERFNSVGPWGQQYSNFPPNNGAVPGTRIAYTNLEKFLSDYGPQLDRIGGDQGKYLAIMEHGRPASWEQRALHVTSLRDPYHAYTIDWLPEGWFIEVSEVAPGCGQPGGSIQVRIFDHQNEMRKVEELIRRGVLRQ

Gene
cpnT
Protein
Outer membrane channel protein CpnT
Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Length
846 amino acids
Function
Has a dual function in uptake of nutrients and induction of host cell death. The N-terminal domain (NTD) forms an outer membrane channel and is used for uptake of nutrients across the outer membrane. The secreted C-terminal toxic domain (TNT) acts as a glycohydrolase, which hydrolyzes the essential cellular coenzyme NAD(+) in the cytosol of infected macrophages, leading to necrotic host cell death. Both functions are required for survival, replication and cytotoxicity of M.tuberculosis in macrophages.
Mass
88.335 kDa
Sequence
MAPLAVDPAALDSAGGAVVAAGAGLGAVISSLTAALAGCAGMAGDDPAGAVFGRSYDGSAAALVQAMSVARNGLCNLGDGVRMSAHNYSLAEAMSDVAGRAAPLPAPPPSGCVGVGAPPSAVGGGGGAPKGWGWVAPYIGMIWPNGDSTKLRAAAVAWRSAGTQFALTEIQSTAGPMGVIRAQQLPEAGLIESAFADAYASTTAVVGQCHQLAAQLDAYAARIDAVHAAVLDLLARICDPLTGIKEVWEFLTDQDEDEIQRIAHDIAVVVDQFSGEVDALAAEITAVVSHAEAVITAMADHAGKQWDRFLHSNPVGVVIDGTGQQLKGFGEEAFGMAKDSWDLGPLRASIDPFGWYRSWEEMLTGMAPLAGLGGENAPGVVESWKQFGKSLIHWDEWTTNPNEALGKTVFDAATLALPGGPLSKLGSKGRDILAGVRGLKERLEPTTPHLEPPATPPRPGPQPPRIEPPESGHPAPAPAAKPAPVPANGPLPHSPTESKPPPVDRPAEPVAPSSASAGQPRVSAATTPGTHVPHGLPQPGEHVPAQAPPATTLLGGPPVESAPATAHQPQWATTPAAPAAAPHSTPGGVHSTESGPHGRSLSAHGSEPTHDGASHGSGHGSGSEPPGLHAPHREQQLAMHSNEPAGEGWHRLSDEAVDPQYGEPLSRHWDFTDNPADRSRINPVVAQLMEDPNAPFGRDPQGQPYTQERYQERFNSVGPWGQQYSNFPPNNGAVPGTRIAYTNLEKFLSDYGPQLDRIGGDQGKYLAIMEHGRPASWEQRALHVTSLRDPYHAYTIDWLPEGWFIEVSEVAPGCGQPGGSIQVRIFDHQNEMRKVEELIRRGVLRQ