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Michael Y. Galperin, Anastasia N. Nikolskaya, Eugene V. Koonin, Corrigendum to “Novel domains of the prokaryotic two-component signal transduction systems”, FEMS Microbiology Letters, Volume 204, Issue 1, October 2001, Pages 213–214, https://doi.org/10.1111/j.1574-6968.2001.tb10887.x
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In the above mentioned MiniReview, Table 2 was incorrect. It is now reproduced correctly below.
Speciesa | Genome size (kb) | Total number of proteins | Sensor moduleb | Response moduleb | ||||||||
Cache | PAS | GAF | HisKin | CheYc | Hpt | CheYd | GGDEF | EAL | HD-GYP | |||
Bacteria | ||||||||||||
Mesorhizobium loti | 7036 | 6752 | 2 | 36 | 10 | 62 | 15 | 2 | 57 | 32 | 18 | 1 |
Pseudomonas aeruginosa | 6264 | 5565 | 6 | 41 | 9 | 62e | 19 | 11 | 75 | 33 | 21 | 3 |
Escherichia coli | 4639 | 4289 | 3 | 14 | 9 | 28e | 5 | 6 | 32 | 19 | 17 | 0 |
Bacillus subtilis | 4215 | 4100 | 10 | 14 | 3 | 33e | 0 | 1 | 36 | 4 | 3 | 0 |
Bacillus halodurans | 4202 | 4066 | 8 | 15 | 5 | 36e | 2 | 1 | 48 | 4 | 2 | 2 |
Mycobacterium tuberculosis | 4412 | 3918 | 0 | 2 | 3 | 15 | 0 | 0 | 13 | 1 | 2 | 0 |
Vibrio cholerae | 4033 | 3827 | 20 | 30 | 5 | 41e | 11 | 10 | 49 | 41 | 22 | 9 |
Caulobacter crescentus | 4017 | 3737 | 3 | 26 | 6 | 62 | 28 | 2 | 45 | 11 | 10 | 0 |
Synechocystis sp. | 3573 | 3169 | 2 | 26 | 28 | 42e | 17 | 7 | 41e | 23 | 13 | 2 |
Mycobacterium leprae | 3268 | 2720 | 0 | 3 | 1 | 5 | 0 | 0 | 5 | 3 | 2 | 0 |
Xylella fastidiosa | 2679 | 2766 | 0 | 4 | 1 | 14 | 5 | 2 | 20 | 3 | 3 | 1 |
Deinococcus radiodurans | 2649 | 2580 | 0 | 7 | 3 | 21 | 5 | 0 | 25 | 16 | 5 | 4 |
Lactococcus lactis | 2365 | 2266 | 0 | 2 | 1 | 7 | 0 | 0 | 7 | 0 | 0 | 0 |
Neisseria meningitidis | 2184 | 2121 | 0 | 1 | 1 | 5 | 0 | 0 | 5 | 0 | 0 | 0 |
Thermotoga maritima | 1861 | 1846 | 6 | 4 | 2 | 9 | 0 | 1 | 12 | 9+2f | 0 | 9 |
Haemophilus influenzae | 1830 | 1709 | 0 | 1 | 0 | 4 | 0 | 2 | 6 | 0 | 0 | 0 |
Campylobacter jejuni | 1641 | 1654 | 5 | 4 | 0 | 8 | 1 | 1 | 11 | 1+1 | 0 | 0 |
Helicobacter pylori | 1668 | 1566 | 1 | 0 | 0 | 4 | 1 | 1 | 9 | 0 | 0 | 0 |
Aquifex aeolicus | 1551 | 1522 | 1 | 7 | 4 | 4 | 0 | 0 | 5 | 11 | 7 | 1 |
Chlamydia pneumoniae | 1230 | 1052 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Treponema pallidum | 1138 | 1031 | 1 | 0 | 2 | 1 | 0 | 1 | 4 | 1+1 | 0 | 3 |
Chlamydia trachomatis | 1042 | 894 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Borrelia burgdorferi | 911 | 850 | 0 | 1 | 0 | 4 | 1 | 2 | 6 | 1 | 1 | 1 |
Rickettsia prowazekii | 1111 | 834 | 0 | 0 | 0 | 4 | 0 | 0 | 5 | 1 | 1 | 0 |
Mycoplasma pneumoniae | 816 | 689 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Ureaplasma urealyticum | 752 | 611 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Buchnera sp. APS | 641 | 564 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Mycoplasma genitalium | 580 | 484 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Archaea | ||||||||||||
Archaeoglobus fulgidus | 2178 | 2420 | 0 | 25 | 5 | 14 | 0 | 1 | 11 | 0 | 0 | 0 |
Halobacterium sp. NRC-1 | 2014 | 2058 | 0 | 15 | 7 | 14 | 3 | 1 | 6 | 0 | 0 | 0 |
M. thermoautotrophicum | 1751 | 1869 | 0 | 15 | 4 | 16 | 3 | 0 | 8 | 0 | 0 | 0 |
Pyrococcus abyssi | 1765 | 1765 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Pyrococcus horikoshii | 1739 | ∼1750 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 |
Aeropyrum pernix | 1670 | ∼1720 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Methanococcus jannaschii | 1665 | 1715 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Thermoplasma acidophilum | 1565 | 1478 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Speciesa | Genome size (kb) | Total number of proteins | Sensor moduleb | Response moduleb | ||||||||
Cache | PAS | GAF | HisKin | CheYc | Hpt | CheYd | GGDEF | EAL | HD-GYP | |||
Bacteria | ||||||||||||
Mesorhizobium loti | 7036 | 6752 | 2 | 36 | 10 | 62 | 15 | 2 | 57 | 32 | 18 | 1 |
Pseudomonas aeruginosa | 6264 | 5565 | 6 | 41 | 9 | 62e | 19 | 11 | 75 | 33 | 21 | 3 |
Escherichia coli | 4639 | 4289 | 3 | 14 | 9 | 28e | 5 | 6 | 32 | 19 | 17 | 0 |
Bacillus subtilis | 4215 | 4100 | 10 | 14 | 3 | 33e | 0 | 1 | 36 | 4 | 3 | 0 |
Bacillus halodurans | 4202 | 4066 | 8 | 15 | 5 | 36e | 2 | 1 | 48 | 4 | 2 | 2 |
Mycobacterium tuberculosis | 4412 | 3918 | 0 | 2 | 3 | 15 | 0 | 0 | 13 | 1 | 2 | 0 |
Vibrio cholerae | 4033 | 3827 | 20 | 30 | 5 | 41e | 11 | 10 | 49 | 41 | 22 | 9 |
Caulobacter crescentus | 4017 | 3737 | 3 | 26 | 6 | 62 | 28 | 2 | 45 | 11 | 10 | 0 |
Synechocystis sp. | 3573 | 3169 | 2 | 26 | 28 | 42e | 17 | 7 | 41e | 23 | 13 | 2 |
Mycobacterium leprae | 3268 | 2720 | 0 | 3 | 1 | 5 | 0 | 0 | 5 | 3 | 2 | 0 |
Xylella fastidiosa | 2679 | 2766 | 0 | 4 | 1 | 14 | 5 | 2 | 20 | 3 | 3 | 1 |
Deinococcus radiodurans | 2649 | 2580 | 0 | 7 | 3 | 21 | 5 | 0 | 25 | 16 | 5 | 4 |
Lactococcus lactis | 2365 | 2266 | 0 | 2 | 1 | 7 | 0 | 0 | 7 | 0 | 0 | 0 |
Neisseria meningitidis | 2184 | 2121 | 0 | 1 | 1 | 5 | 0 | 0 | 5 | 0 | 0 | 0 |
Thermotoga maritima | 1861 | 1846 | 6 | 4 | 2 | 9 | 0 | 1 | 12 | 9+2f | 0 | 9 |
Haemophilus influenzae | 1830 | 1709 | 0 | 1 | 0 | 4 | 0 | 2 | 6 | 0 | 0 | 0 |
Campylobacter jejuni | 1641 | 1654 | 5 | 4 | 0 | 8 | 1 | 1 | 11 | 1+1 | 0 | 0 |
Helicobacter pylori | 1668 | 1566 | 1 | 0 | 0 | 4 | 1 | 1 | 9 | 0 | 0 | 0 |
Aquifex aeolicus | 1551 | 1522 | 1 | 7 | 4 | 4 | 0 | 0 | 5 | 11 | 7 | 1 |
Chlamydia pneumoniae | 1230 | 1052 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Treponema pallidum | 1138 | 1031 | 1 | 0 | 2 | 1 | 0 | 1 | 4 | 1+1 | 0 | 3 |
Chlamydia trachomatis | 1042 | 894 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Borrelia burgdorferi | 911 | 850 | 0 | 1 | 0 | 4 | 1 | 2 | 6 | 1 | 1 | 1 |
Rickettsia prowazekii | 1111 | 834 | 0 | 0 | 0 | 4 | 0 | 0 | 5 | 1 | 1 | 0 |
Mycoplasma pneumoniae | 816 | 689 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Ureaplasma urealyticum | 752 | 611 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Buchnera sp. APS | 641 | 564 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Mycoplasma genitalium | 580 | 484 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Archaea | ||||||||||||
Archaeoglobus fulgidus | 2178 | 2420 | 0 | 25 | 5 | 14 | 0 | 1 | 11 | 0 | 0 | 0 |
Halobacterium sp. NRC-1 | 2014 | 2058 | 0 | 15 | 7 | 14 | 3 | 1 | 6 | 0 | 0 | 0 |
M. thermoautotrophicum | 1751 | 1869 | 0 | 15 | 4 | 16 | 3 | 0 | 8 | 0 | 0 | 0 |
Pyrococcus abyssi | 1765 | 1765 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Pyrococcus horikoshii | 1739 | ∼1750 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 |
Aeropyrum pernix | 1670 | ∼1720 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Methanococcus jannaschii | 1665 | 1715 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Thermoplasma acidophilum | 1565 | 1478 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
aThe names and data for non-obligate parasites are in bold. Complete genome sequences and corresponding references are available in the NCBI Entrez Genome division at http://www.ncbi.nlm.nih.gov/PMGifs/Genomes/micr.html.
bEach number represents the number of proteins in a given genome that contain the corresponding domain; multiple occurrences of the same domain (e.g., PAS, CheY) on a single polypeptide chain are counted as one. The numbers are from the COG database (http://www.ncbi.nlm.nih.gov/COG [4]) and/or from the results of iterative PSI-BLAST searches of domain-specific profiles against a database of proteins, encoded in completely sequenced microbial genomes [38,53,54]. These numbers were also compared against those in SMART [24] and those reported in [41]. Complete lists of proteins that contain each particular domain are available at ftp://ncbi.nlm.nih.gov/pub/galperin/TwoCompCensus.html.
cCheY-like domains of the ‘hybrid’ sensor kinases (found on the same polypeptide chain with the His kinase domain, see [39]).
dCheY-like domains found in the response regulators (associated with HTH, ATPase, CheB, GGDEF, or HD-GYP domains), as well as stand-alone CheY-like domains.
eThese numbers do not include signaling proteins of the LytS family (COG3275, COG2972), predicted to be divergent His kinases [40]. The discrepancies with the numbers reported in [39] are due to the addition of Synechocystis sp. His kinase slr1212 and response regulators slr0687, sll1544, sll1879, and slr2041 and the exclusion of stand-alone Hpt domain slr0073 from the list of histidine kinases.
fThese domains are likely to be inactivated.
Speciesa | Genome size (kb) | Total number of proteins | Sensor moduleb | Response moduleb | ||||||||
Cache | PAS | GAF | HisKin | CheYc | Hpt | CheYd | GGDEF | EAL | HD-GYP | |||
Bacteria | ||||||||||||
Mesorhizobium loti | 7036 | 6752 | 2 | 36 | 10 | 62 | 15 | 2 | 57 | 32 | 18 | 1 |
Pseudomonas aeruginosa | 6264 | 5565 | 6 | 41 | 9 | 62e | 19 | 11 | 75 | 33 | 21 | 3 |
Escherichia coli | 4639 | 4289 | 3 | 14 | 9 | 28e | 5 | 6 | 32 | 19 | 17 | 0 |
Bacillus subtilis | 4215 | 4100 | 10 | 14 | 3 | 33e | 0 | 1 | 36 | 4 | 3 | 0 |
Bacillus halodurans | 4202 | 4066 | 8 | 15 | 5 | 36e | 2 | 1 | 48 | 4 | 2 | 2 |
Mycobacterium tuberculosis | 4412 | 3918 | 0 | 2 | 3 | 15 | 0 | 0 | 13 | 1 | 2 | 0 |
Vibrio cholerae | 4033 | 3827 | 20 | 30 | 5 | 41e | 11 | 10 | 49 | 41 | 22 | 9 |
Caulobacter crescentus | 4017 | 3737 | 3 | 26 | 6 | 62 | 28 | 2 | 45 | 11 | 10 | 0 |
Synechocystis sp. | 3573 | 3169 | 2 | 26 | 28 | 42e | 17 | 7 | 41e | 23 | 13 | 2 |
Mycobacterium leprae | 3268 | 2720 | 0 | 3 | 1 | 5 | 0 | 0 | 5 | 3 | 2 | 0 |
Xylella fastidiosa | 2679 | 2766 | 0 | 4 | 1 | 14 | 5 | 2 | 20 | 3 | 3 | 1 |
Deinococcus radiodurans | 2649 | 2580 | 0 | 7 | 3 | 21 | 5 | 0 | 25 | 16 | 5 | 4 |
Lactococcus lactis | 2365 | 2266 | 0 | 2 | 1 | 7 | 0 | 0 | 7 | 0 | 0 | 0 |
Neisseria meningitidis | 2184 | 2121 | 0 | 1 | 1 | 5 | 0 | 0 | 5 | 0 | 0 | 0 |
Thermotoga maritima | 1861 | 1846 | 6 | 4 | 2 | 9 | 0 | 1 | 12 | 9+2f | 0 | 9 |
Haemophilus influenzae | 1830 | 1709 | 0 | 1 | 0 | 4 | 0 | 2 | 6 | 0 | 0 | 0 |
Campylobacter jejuni | 1641 | 1654 | 5 | 4 | 0 | 8 | 1 | 1 | 11 | 1+1 | 0 | 0 |
Helicobacter pylori | 1668 | 1566 | 1 | 0 | 0 | 4 | 1 | 1 | 9 | 0 | 0 | 0 |
Aquifex aeolicus | 1551 | 1522 | 1 | 7 | 4 | 4 | 0 | 0 | 5 | 11 | 7 | 1 |
Chlamydia pneumoniae | 1230 | 1052 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Treponema pallidum | 1138 | 1031 | 1 | 0 | 2 | 1 | 0 | 1 | 4 | 1+1 | 0 | 3 |
Chlamydia trachomatis | 1042 | 894 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Borrelia burgdorferi | 911 | 850 | 0 | 1 | 0 | 4 | 1 | 2 | 6 | 1 | 1 | 1 |
Rickettsia prowazekii | 1111 | 834 | 0 | 0 | 0 | 4 | 0 | 0 | 5 | 1 | 1 | 0 |
Mycoplasma pneumoniae | 816 | 689 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Ureaplasma urealyticum | 752 | 611 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Buchnera sp. APS | 641 | 564 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Mycoplasma genitalium | 580 | 484 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Archaea | ||||||||||||
Archaeoglobus fulgidus | 2178 | 2420 | 0 | 25 | 5 | 14 | 0 | 1 | 11 | 0 | 0 | 0 |
Halobacterium sp. NRC-1 | 2014 | 2058 | 0 | 15 | 7 | 14 | 3 | 1 | 6 | 0 | 0 | 0 |
M. thermoautotrophicum | 1751 | 1869 | 0 | 15 | 4 | 16 | 3 | 0 | 8 | 0 | 0 | 0 |
Pyrococcus abyssi | 1765 | 1765 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Pyrococcus horikoshii | 1739 | ∼1750 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 |
Aeropyrum pernix | 1670 | ∼1720 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Methanococcus jannaschii | 1665 | 1715 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Thermoplasma acidophilum | 1565 | 1478 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Speciesa | Genome size (kb) | Total number of proteins | Sensor moduleb | Response moduleb | ||||||||
Cache | PAS | GAF | HisKin | CheYc | Hpt | CheYd | GGDEF | EAL | HD-GYP | |||
Bacteria | ||||||||||||
Mesorhizobium loti | 7036 | 6752 | 2 | 36 | 10 | 62 | 15 | 2 | 57 | 32 | 18 | 1 |
Pseudomonas aeruginosa | 6264 | 5565 | 6 | 41 | 9 | 62e | 19 | 11 | 75 | 33 | 21 | 3 |
Escherichia coli | 4639 | 4289 | 3 | 14 | 9 | 28e | 5 | 6 | 32 | 19 | 17 | 0 |
Bacillus subtilis | 4215 | 4100 | 10 | 14 | 3 | 33e | 0 | 1 | 36 | 4 | 3 | 0 |
Bacillus halodurans | 4202 | 4066 | 8 | 15 | 5 | 36e | 2 | 1 | 48 | 4 | 2 | 2 |
Mycobacterium tuberculosis | 4412 | 3918 | 0 | 2 | 3 | 15 | 0 | 0 | 13 | 1 | 2 | 0 |
Vibrio cholerae | 4033 | 3827 | 20 | 30 | 5 | 41e | 11 | 10 | 49 | 41 | 22 | 9 |
Caulobacter crescentus | 4017 | 3737 | 3 | 26 | 6 | 62 | 28 | 2 | 45 | 11 | 10 | 0 |
Synechocystis sp. | 3573 | 3169 | 2 | 26 | 28 | 42e | 17 | 7 | 41e | 23 | 13 | 2 |
Mycobacterium leprae | 3268 | 2720 | 0 | 3 | 1 | 5 | 0 | 0 | 5 | 3 | 2 | 0 |
Xylella fastidiosa | 2679 | 2766 | 0 | 4 | 1 | 14 | 5 | 2 | 20 | 3 | 3 | 1 |
Deinococcus radiodurans | 2649 | 2580 | 0 | 7 | 3 | 21 | 5 | 0 | 25 | 16 | 5 | 4 |
Lactococcus lactis | 2365 | 2266 | 0 | 2 | 1 | 7 | 0 | 0 | 7 | 0 | 0 | 0 |
Neisseria meningitidis | 2184 | 2121 | 0 | 1 | 1 | 5 | 0 | 0 | 5 | 0 | 0 | 0 |
Thermotoga maritima | 1861 | 1846 | 6 | 4 | 2 | 9 | 0 | 1 | 12 | 9+2f | 0 | 9 |
Haemophilus influenzae | 1830 | 1709 | 0 | 1 | 0 | 4 | 0 | 2 | 6 | 0 | 0 | 0 |
Campylobacter jejuni | 1641 | 1654 | 5 | 4 | 0 | 8 | 1 | 1 | 11 | 1+1 | 0 | 0 |
Helicobacter pylori | 1668 | 1566 | 1 | 0 | 0 | 4 | 1 | 1 | 9 | 0 | 0 | 0 |
Aquifex aeolicus | 1551 | 1522 | 1 | 7 | 4 | 4 | 0 | 0 | 5 | 11 | 7 | 1 |
Chlamydia pneumoniae | 1230 | 1052 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Treponema pallidum | 1138 | 1031 | 1 | 0 | 2 | 1 | 0 | 1 | 4 | 1+1 | 0 | 3 |
Chlamydia trachomatis | 1042 | 894 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Borrelia burgdorferi | 911 | 850 | 0 | 1 | 0 | 4 | 1 | 2 | 6 | 1 | 1 | 1 |
Rickettsia prowazekii | 1111 | 834 | 0 | 0 | 0 | 4 | 0 | 0 | 5 | 1 | 1 | 0 |
Mycoplasma pneumoniae | 816 | 689 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Ureaplasma urealyticum | 752 | 611 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Buchnera sp. APS | 641 | 564 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Mycoplasma genitalium | 580 | 484 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Archaea | ||||||||||||
Archaeoglobus fulgidus | 2178 | 2420 | 0 | 25 | 5 | 14 | 0 | 1 | 11 | 0 | 0 | 0 |
Halobacterium sp. NRC-1 | 2014 | 2058 | 0 | 15 | 7 | 14 | 3 | 1 | 6 | 0 | 0 | 0 |
M. thermoautotrophicum | 1751 | 1869 | 0 | 15 | 4 | 16 | 3 | 0 | 8 | 0 | 0 | 0 |
Pyrococcus abyssi | 1765 | 1765 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
Pyrococcus horikoshii | 1739 | ∼1750 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 |
Aeropyrum pernix | 1670 | ∼1720 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Methanococcus jannaschii | 1665 | 1715 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Thermoplasma acidophilum | 1565 | 1478 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
aThe names and data for non-obligate parasites are in bold. Complete genome sequences and corresponding references are available in the NCBI Entrez Genome division at http://www.ncbi.nlm.nih.gov/PMGifs/Genomes/micr.html.
bEach number represents the number of proteins in a given genome that contain the corresponding domain; multiple occurrences of the same domain (e.g., PAS, CheY) on a single polypeptide chain are counted as one. The numbers are from the COG database (http://www.ncbi.nlm.nih.gov/COG [4]) and/or from the results of iterative PSI-BLAST searches of domain-specific profiles against a database of proteins, encoded in completely sequenced microbial genomes [38,53,54]. These numbers were also compared against those in SMART [24] and those reported in [41]. Complete lists of proteins that contain each particular domain are available at ftp://ncbi.nlm.nih.gov/pub/galperin/TwoCompCensus.html.
cCheY-like domains of the ‘hybrid’ sensor kinases (found on the same polypeptide chain with the His kinase domain, see [39]).
dCheY-like domains found in the response regulators (associated with HTH, ATPase, CheB, GGDEF, or HD-GYP domains), as well as stand-alone CheY-like domains.
eThese numbers do not include signaling proteins of the LytS family (COG3275, COG2972), predicted to be divergent His kinases [40]. The discrepancies with the numbers reported in [39] are due to the addition of Synechocystis sp. His kinase slr1212 and response regulators slr0687, sll1544, sll1879, and slr2041 and the exclusion of stand-alone Hpt domain slr0073 from the list of histidine kinases.
fThese domains are likely to be inactivated.