| Lineage (Fist detection) | Envelope protein | ||
| Amino acid sequencea | Accession | ||
| B.1.1.7 (UK) | MYSFVSEETGTLIVNSVLLFLAFVVFLLVTLAILTALRLC AYCCNIVNVSLVKPSFYVYSRVKNLNSSRVPDLLV | QVI17691 | |
| B.1.617.1 (India) | MYSFVSEETGTLIVNSVLLFLAFVVFLLVTLAILTALRLC AYCCNIVNVSLVKPSFYVYSRVKNLNSSRVPDLLV | QTP09030 | |
| B.1.617.2 (India) | MYSFVSEETGTLIVNSVLLFLAFVVFLLVTLAILTALRLC AYCCNIVNVSLVKPSFYVYSRVKNLNSSRVPDLLV | QTW58948 | |
| B.1.351/501Y.V2 (South Africa) | MYSFVSEETGTLIVNSVLLFLAFVVFLLVTLAILTALRLC AYCCNIVNVSLVKPSFYVYSRVKNLNSSRVLDLLV | QVI03432 | |
| B.1.427 (USA) | MYSFVSEETGTLIVNSVLLFLAFVVFLLVTLAILTALRLC AYCCNIVNVSLVKPSFYVYSRVKNLNSSRVPFLLV | QSF02699 | |
| B.1.429 (USA) | MYSFVSEETGTLIVNSVLLFLAFVVFLLVTLAILTALRLCAYCCNIVNVSLVKPSFYVYSRVKNLNSSRVPDLLV | QVI45778 | |
| P.1 (Japan and Brazil) | MYSFVSEETGTLIVNSVLLFLAFVVFLLVTLAILTALRLC AYCCNIVNVSLVKPSFYVYSRVKNLNSSRVPDLLV | QVJ13923 | |
| Wuhan reference strain | MYSFVSEETGTLIVNSVLLFLAFVVFLLVTLAILTALRLCAYCCNIVNVSLVKPSFYVYSRVKNLNSSRVPDLLV | NC_045512 | |