CryoEM structure of the outer membrane secretin pore pIV from the f1 filamentous bacteriophage.

CryoEM structure of the outer membrane secretin channel pIV from the f1 filamentous bacteriophage.

CHAPS (3-((3-cholamidopropyl) dimethylammonio)-1-propanesulfonate)

PELCO Ultrathin Carbon with Lacey Carbon

S9P, D49N, I66N are naturally occurring polymorphisms.

QVIEMNNSPLRDFVTWYSKQTGESVIVSPDVKGTVTVYSSDVKPENLRNFFISVLRANNFDMVGSNPSIIQKYNPNNQDY
IDELPSSDNQEYDDNSAPSGGFFVPQNDNVTQTFKINNVRAKDLIRVVELFVKSNTSKSSNVLSVDGSNLLVVSAPKDIL
DNLPQFLSTVDLPTDQILIEGLIFEVQQGDALDFSFAAGSQRGTVAGGVNTDRLTSVLSSAGGSFGIFNGDVLGLSVRAL
KTNSHSKILSVPRILTLSGQKGSISVGQNVPFITGRVTGESANVNNPFQTVERQNVGISMSVFPVAMASAHHHHHHHGGN
IVLDITIKADSLSSSTQASDVITNQRSIATTVNLRDGQTLLLGGLTDYKNTSQDSGVPFLSKIPLIGLLFSSRSDSNEES
TLYVLVKATIVRAL

Residue 501 is full-length CHAPS, and residue 502 has been modeled as the CHAPS aromatic rings only, due to there being no clear density for the rest of the CHAPS molecule.

15 fold symmetry was observed in the 2D classes obtained from Relion
Secretin Outer membrane Virion export, VIRAL PROTEIN

QVIEMNNSSLRDFVTWYSKQTGESVIVSPDVKGTVTVYSSDVKPENLRDFFISVLRANNFDMVGSIPSIIQKYNPNNQDY
IDELPSSDNQEYDDNSAPSGGFFVPQNDNVTQTFKINNVRAKDLIRVVELFVKSNTSKSSNVLSVDGSNLLVVSAPKDIL
DNLPQFLSTVDLPTDQILIEGLIFEVQQGDALDFSFAAGSQRGTVAGGVNTDRLTSVLSSAGGSFGIFNGDVLGLSVRAL
KTNSHSKILSVPRILTLSGQKGSISVGQNVPFITGRVTGESANVNNPFQTVERQNVGISMSVFPVAMAGGNIVLDITSKA
DSLSSSTQASDVITNQRSIATTVNLRDGQTLLLGGLTDYKNTSQDSGVPFLSKIPLIGLLFSSRSDSNEESTLYVLVKAT
IVRAL