Table 1. Compositions of BChl species in Cba. limnaeum wild type and bciD mutant, and Cba. tepidum.
| Strains | BChl (%) | Total (%) | |||||||
| R[E,M] | R[E,E] | S[E,E] | R[P,E] | S[P,E] | R[I,E] | S[I,E] | 31 R/S a | 8-E/P/Ib | |
| Cba. tepidum wild type (BChl c) | 1.8 | 64.8 | 0.1 | 25.6 | 5.5 | 0.1 | 2.1 | 92.3/7.7 | 66.7/31.1/2.2 |
| Cba. limnaeum bciD mutant (BChl c) | 0.0 | 12.6 | 1.9 | 19.6 | 20.9 | 1.2 | 43.8 | 33.4/66.6 | 14.5/40.5/45.0 |
| Cba. limnaeum wild type (BChl e) | 0.0 | 36.1 | 4.6 | 39.9 | 5.3 | 1.1 | 13.0 | 77.1/22.9 | 40.7/45.2/14.1 |
a
Ratio of 31 R and 31 S configurations of BChl species.
b
Ratio of ethyl (E), propyl (P), and isobutyl groups (I) at C8 of BChl species.