9p7r is a 33 chain structure with sequence from Vibrio cholerae O1 biovar El Tor. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
FLAB_VIBCH Flagellin is the subunit protein which polymerizes to form the filaments of bacterial flagella. FlaB is not essential for flagellar synthesis and motility (By similarity).