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. 1998 May;64(5):1680–1687. doi: 10.1128/aem.64.5.1680-1687.1998

TABLE 2.

Compositions of 16S rRNA sequences for the signature positions

Position(s) of base or base pair Amino acid(s)a for:
Bacteria Members of sulfur-turf mat phylotypes H. acidophilus A. pyrophilus Archaea
8 A A A U
9, 25 G, C G, C G, C C, G
10, 24 R(A), U A, U A, U Y, R
33, 551 A, U A, U A, U A, U Y(C), R(G)
52, 359 Y, R C, G C, G C, G G, C
53, 358 A, U A, U A, U A, U C, G
113, 314 G, C G, C G, C G, C C, G
307 H U U C G
338 A A A A G
339, 350 C, G C, G C, G C, G G, Y(C)
340, 349 U, A M, G C, G C, G C, G
361 R(G) G G G C
365 U U U U A
367, 393 U, A U, A G, C G, C C, G
377, 386 R(G), Y(C) G, Y G, C G, C Y(C), G
514, 537 Y(C), R(G) C, G C, G C, G G, C
549 C C C C U
558 G A A A Y
585, 756 R(G), Y(C) G, C C, G C, G C, G
675 A A A A U
684, 706 U, A U, A U, A G, C G, Y(C)
716 A A A A C
867 R(G) G G G Y(C)
923 A A G G G
930 Y(C) C C C A
931 C C C C G
933 G G G G A
962 C C C C G
966 G G G G U
974 M A A A G
1098 Y(C) C C C G
1109 C C C C A
1110 A A A A G
1194 U U U U R(G)
1211 U U U U G
1212 U U U U A
a

R, purine (A/G); Y, pyrimidine (U/C); H, A, C, or U; M, A or C. Boldface type indicates a possible plesiomorphic signature retained in the Aquifex-Hydrogenobacter complex.