>gi|269849759|sp|P04637.4|P53_HUMAN
MEEPQSAQWCCTV
>gi|143235535|dbj|46784|P53_MUS
--FKQSARTYC-V
>gi|343556|emb|3432384|P53_EQUUS
--LKQSAPTY--S

and the variant list contains:

E3P
Q8R
T12C