From: Sequence, distribution and chromosomal context of class I and class II pilin genes of Neisseria meningitidis identified in whole genome sequences
Pilin
Length (AA)
Leader sequence
SM1 motif
Length of D-region1
Class I
164-172
MNTLQKG
EYYLN
28-40 AA
Class II
143-152
MKAIQKG
EYYSD
13 or 16 AA
EYYSN