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. 2005 Dec;71(12):8183–8190. doi: 10.1128/AEM.71.12.8183-8190.2005

FIG. 1.

FIG. 1.

(A) Alignment of the amino acid sequence of the nifH product in our study with other homologues. B501, the nifH product of Herbaspirillum sp. strain B501 (AB196476); Hs, the nifH product of Herbaspirillum seropedicae (Z54207) (20); Kp, the nifH product of Klebsiella pneumoniae (V00631) (31); Cp, the nifH product of Clostridium pasteurianum (X07472) (36); and Av, the nifH product of Azotobacter vinelandii (M20568) (16). Three cysteine and one arginine residue (★) of the nifH product are conserved. (B) Structural organization of the nifH promoter region of the Herbaspirillum sp. B501 strain. Consensus sequences are underlined and in boldface type. Numbers are nucleotide positions from nifH gene of strain B501.