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Table 1 Overview of four genome-scale constraint-based models related to ethanol or butanol production.

From: Genome-scale metabolic analysis of Clostridium thermocellum for bioethanol production

  C. thermocellum iSR432 C. acetobutylicum[20] C. acetobutylicum CacMBEL502[21] S. cerevisiae iND750[3]
Genome size 3.8 Mb 4.1 Mb 4.1 Mb 12.2 Mb
ORFs 3307 4017 4017 6276
Included genes 432 458 432 750
Enzyme complexes 72 n/aa 36 86
Isozyme cases 70 n/a n/a 145
Reactions (excluding exchanges) 577 552 502 1150
Transport 73 80 71 308
Gene associated 463 414 431 810
Non-gene associated intracellular 60 119 n/a 123
Non-gene associated transports 54 19 n/a 216
Distinct metabolites 525 488 479 646
  1. an/a -- data not available