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. 2014 Dec 23;5(6):e01858-14. doi: 10.1128/mBio.01858-14

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Copyright © 2014 Schulz et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-ShareAlike 3.0 Unported license, which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original author and source are credited.

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FIG 1 — Genomic organization of ADS gene clusters in pneumococci and distribution of arc genes. (A) Genomic organization of ADS operons in S. pneumoniae TIGR4 and D39: arcA, AD; arcB, catabolic cOCT; arcC, CK; arcD, arginine-ornithine antiporter; arcT, putative aminopeptidase. The AD-encoding gene (arcA) of D39 is truncated by the insertion of a stop codon (TGA). (B) Distribution of arginine metabolism genes in different strains present in the SYBIL database. argG, argininosuccinate synthetase; argH, argininosuccinase; +, present; ○, truncated; −, absent. (C) Arginine metabolism in S. pneumoniae. CarAB, anabolic cOCT.