. 1999 Sep;73(9):7343–7348. doi: 10.1128/jvi.73.9.7343-7348.1999

TABLE 3.

Insertions and deletions in the HAs and NAs of influenza B viruses are related to strain differentiation

Virus	HA sequence (aa 159–168)^a	NA sequence (aa 39–47)^a	Change in^b:
Virus	HA sequence (aa 159–168)^a	NA sequence (aa 39–47)^a	HA	NA
Early B
Lee40	`VIPK-DNNKTA`	`KFSSTKTTA`	0	0
Mar59	`AVPK-NKNKTA`	`KFSPTKRTA`	0	0
HK73	`AVPK---NKTA`	`KFSSTKRTA`	−2	0
Vic87-like
Vic85	`AVPKNNNNKTA`	`KFSP-KITA`	+1	−1
Mem86	`AVPKNNNNKTA`	`KFSP-KITA`	+1	−1
Bei87	`AVPKNDNNKTA`	`KFSS-KITA`	+1	−1
Mem89	`AVPKNDNNKTA`	`RFSS-KITA`	+1	−1
Nas89	`AVPKNDNNKTA`	`KFSS-KITA`	+1	−1
Nan95	`AVPKNDNNKTA`	`KFSPTEITA`	+1	0
Nan96	`AVPKNDNNKTA`	`KFSPTKTIA`	+1	0
Nin97	`AVPKNDNNKTA`	`KFSPTEITA`	+1	0
Yam88-like
Sin79	`AVPK-D-NKTA`	`KFSPTKRTA`	−1	0
Ore80	`AVPK-D-NKTA`	`KFSTTKITA`	−1	0
USR83	`AVPK-D-NKTA`	`KFSPTKRTA`	−1	0
Yam88	`AVPR-D-NKTA`	`KFSPTEITA`	−1	0
Pan90	`AVPR-D-NKTA`	`KFSPTEITA`	−1	0
Sic92	`AVPR-DNNKTA`	`KFSPTEITA`	0	0
Nan93	`AVPR-DNNKTA`	`KFSPTEITA`	0	0
Nan94	`AVPR-DNNKTA`	`KFSPTEITA`	0	0
Hou96	`AVPR-DNNKTA`	`KFSPTEITA`	0	0
Mem1996	`AVPR-DNNKTA`	`KFSPTEITA`	0	0
Nas96	`AVPR-DNNKTA`	`KFSPTEITA`	0	0
Mem1097	`AVPR-DNNKTA`	`KFSPTEITA`	0	0
Mem1297	`AVPR-DNNKTA`	`KFSPTEITA`	0	0
Reassortants
Hou91	`AVPR-D-NKTA`	`KFSP-KIIA`	−1	−1
Nas91	`AVPR-D-NKTA`	`KFSP-KIIA`	−1	−1
Hou92	`AVPK-D-NKTA`	`KFSP-KIIA`	−1	−1
Hou93	`AVPK-D-NKTA`	`KFSP-KIIA`	−1	−1
Mem393	`AVPR-DNNKTA`	`KFSP-KIIA`	0	−1
Mem493	`AVPR-D-NKTA`	`KFSP-KIIA`	−1	−1
Mem593	`AVPK-D-NKTA`	`KFSP-KIIA`	−1	−1
Nas93	`AVPK-D-NKTA`	`KFSP-KIIA`	−1	−1
Mem95	`AVPK-D-NKTA`	`KFSP-KIIA`	−1	−1
Mem2096	`AVPK-D-NKTA`	`KFSP-KIIA`	−1	−1

Numbering is for Lee40. aa, amino acid(s). Dashes were inserted for the purpose of alignment.

Change in the number of deduced amino acids for the gene due to insertion or deletion relative to Lee40.