Cryo-EM structure of cyanobacterial nitrate/nitrite transporter NrtBCD in complex with signalling protein PII

Allosteric regulation of nitrate transporter NRT via the signaling protein PII.

Complex of nitrate transporter NrtBCD with signling protein PII

MTAVLGNRARVRKSQKAINNFLWKKVVPPLVALGIFLVIWQLLCLNPNFKLPGPIETFSETWDPFIINPFFDNGESDKGL
GWQILSSLGRVGLGFSLAAIAGIILGILIGVNPLVYNAVDPIFQVLRTVPPLAWLPISLAAFQQANPSAIFVIFITSIWP
ILLNTTVGVQQIPQDYINVAKVLRLKGVKYFFKIVFPATVPYIFTGLRIGIGLSWLAIVAAEMLVGGVGIGSFIWDAYNT
TTETNLSEIILALIYVGLVGLLLDRLVGFVASKVVADQK

MPTFVEIDHVDRIFDLPNGGRYIALKNIELKIKQGEFVSLIGHSGCGKSTLLNIIAGLDRASIGGVTLEGREIREPSPDR
MVVFQNYSLLPWLTVRENVALAVDEVYQGKSKGERRAIIEEHIDMVGLRLAANKRPSELSGGMKQRVAIARALATRPKLL
LLDEPFGALDALTRGSLQEQLMKICNEHQITCVMVTHDVDEALLLSDRVVMLTNGPEAHIGQILEVPISRPRQRLEVVKH
PSYYNLRNEIIYFLNQQKLAKKRQTQQASAPLGTAKAVIEIGFMPLTDSAPLIVAKEKGFFAKYGLDNVILNRANNWQAI
ATGVVTGKLDAAQMVAGMPIALTLGAGSQTPTPVINALNLSRNANAITFSKRLYNQGVRSLADLKAVIDSSPDQILTLGV
VHSASMQNLILRYWLAAGGIDPDRDVSLTVIPPTQMVSQLKAGNIDGYCAGEPWNYQAVHDDLGFVAATALEIWSGQPKK
VLGVREDWAQKYPETYLNLVKALIEACKYCDDLRNREEILEILCRPEYLDVNPAYVRSGFIDPYDRGDGTPPQQLTAYNQ
FYLNKTNYPNRTEILWMITQMARWGLTPFPKNWVEITERVCRTDIFGAAARDLGLLDIGEDDPIHLFDGKLFNPSEPIEY
LKSLEIRRQIRIEEVFISSGDYKDHDGDYKDHDIDYKDDDDK

MQIINRNNQTNLKPQKTDNFLVVEGVSKIYPTPEGPYTVLDGIDLKVREGEFVCLIGHSGCGKSTLLNMISGFNTPSEGV
VLLQDKPITEPGPDRMMVFQNYCLLPWLNVFENVYLAVDAVFPNKPQAEKRAIVREHLAMVGLTEAAEKKPSQISGGMKQ
RVAIARALSIRPQVLILDEPFGALDAITKEELQEELLQIWSDHQVTVLMITHDIDEALFLADRVVMMTNGPAAQIGEILD
IPFDRPRNRRRIMEDPKYYDLRNYALDFLFNRFAHNE

MKKVEAIIRPFKLDEVKIALVNAGIVGMTVSEVRGFGRQKGQTERYRGSEYTVEFLQKLKVEIVVEDNQVDMVVDKIIAA
ARTGEIGDGKIFISPVEQVIRIRTGEKNTEAVHHHHHH

Cryo-EM structure of cyanobacterial nitrate transporter NrtBCD in complex with signalling protein PII

ATP-dependent transporter, ABC transporter, nitrate/nitrite transporter, MEMBRANE PROTEIN

MPTFVEIDHVDRIFDLPNGGRYIALKNIELKIKQGEFVSLIGHSGCGKSTLLNIIAGLDRASIGGVTLEGREIREPSPDR
MVVFQNYSLLPWLTVRENVALAVDEVYQGKSKGERRAIIEEHIDMVGLRLAANKRPSELSGGMKQRVAIARALATRPKLL
LLDEPFGALDALTRGSLQEQLMKICNEHQITCVMVTHDVDEALLLSDRVVMLTNGPEAHIGQILEVPISRPRQRLEVVKH
PSYYNLRNEIIYFLNQQKLAKKRQTQQASAPLGTAKAVIEIGFMPLTDSAPLIVAKEKGFFAKYGLDNVILNRANNWQAI
ATGVVTGKLDAAQMVAGMPIALTLGAGSQTPTPVINALNLSRNANAITFSKRLYNQGVRSLADLKAVIDSSPDQILTLGV
VHSASMQNLILRYWLAAGGIDPDRDVSLTVIPPTQMVSQLKAGNIDGYCAGEPWNYQAVHDDLGFVAATALEIWSGQPKK
VLGVREDWAQKYPETYLNLVKALIEACKYCDDLRNREEILEILCRPEYLDVNPAYVRSGFIDPYDRGDGTPPQQLTAYNQ
FYLNKTNYPNRTEILWMITQMARWGLTPFPKNWVEITERVCRTDIFGAAARDLGLLDIGEDDPIHLFDGKLFNPSEPIEY
LKSLEIRRQIRIEEVFI

MKKVEAIIRPFKLDEVKIALVNAGIVGMTVSEVRGFGRQKGQTERYRGSEYTVEFLQKLKVEIVVEDNQVDMVVDKIIAA
ARTGEIGDGKIFISPVEQVIRIRTGEKNTEAV