Table 3. Amino acids at key tuning sites for RH1 [21], [25] and LWS [36].
Branch Node Numbers (Ancestor to Descendant) | Branch Name | RH1 | LWS | ||
Amino Acid Changes at Key Tuning Sites(83 292 299) | λmax (nm) Change on Branch | Amino Acid Changes at Key Tuning Sites(180 197 277 285 308) | λmax (nm) Change on Branch | ||
26 to 27 | Stem Cetacea | DAS to NSS | 501 to 484 | No changes | No change |
27 to 28 | Stem Mysticeti | No change | No change | AHYTA to AHYTS | 552 to 522–531 |
28 to 29 | Stem Balaenidae | NSS to NAS | 484 to 493 | No change | No change |
30 to 4 | Caperea | NSS to NSA | 484 to 479 | No change | No change |
33 to 6 | Eschrichtius | NSS to NAS | 484 to 493 | No change | No change (pseudogene) |
34 to 7 | Megaptera | NSS to DSS | 484 to 492 | No change | No change (pseudogene) |
35 to 36 | Stem Physeteroidea | NSS to NSA | 484 to 479 | No change | No change |
38 to 39 | Stem Ziphiidae | NSS to NSA | 484 to 479 | No change | No change |
42 to 43 | Stem Iniidae + Pontoporiidae | NSS to NAS | 484 to 493 | No change | No change |
43 to 17 | Pontoporia | NAS to DAS | 493 to 501 | No change | No change |
43 to 18 | Inia | NAS to NAT* | 493 to ? | AHYTA to AHYTP* | 552 to ? |
44 to 45 | Stem Monodontidae + Phocoenidae | NSS to DSS | 484 to 492 | No change | No change |
45 to 22 | Delphinapterus | DSS to DAS | 492 to 501 | No change | No change |
42 to 44 | Stem Delphinoidea | No change | No change | AHYTA to AHYTS | 552 to 522–531 |