Transmembrane helices for helpy (Helicobacter pylori)

Jinfeng Liu & Burkhard Rost

CUBIC Columbia Univ, Dept Biochem & Mol Biophysics

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Description of Helicobacter pylori

taxonomy: Bacteria; Proteobacteria; epsilon subdivision; Helicobacter group; Helicobacter
Helicobacter pylori is a micro-aerophilic, Gram-negative, slow-growing, spiral-shaped and flagellated organism. Its most characteristic enzyme is a potent multisubunit urease that is crucial for its survival at acidic pH and for its successful colonization of the gastric environment, a site that few other microbes can colonize. H. pylori is probably the most common chronic bacterial infection of humans, present in almost half of the world population.
The total number of ORF of Helicobacter pylori used in this study is 1789.

	Number of proteins			Percentage of proteins in entire genome			Cumulative percentage of proteins in entire genome
Nhtm	all	top=in	top=out	all	top=in	top=out	all	top=in	top=out
1	98	40	56	5.5	2.2	3.1	21.0	9.7	11.2
2	72	40	32	4.0	2.2	1.8	15.5	7.5	8.0
3	44	16	28	2.5	0.9	1.6	11.5	5.3	6.3
4	32	17	15	1.8	1.0	0.8	9.1	4.4	4.7
5	21	9	12	1.2	0.5	0.7	7.3	3.4	3.9
6	27	15	12	1.5	0.8	0.7	6.1	2.9	3.2
7	19	7	12	1.1	0.4	0.7	4.6	2.1	2.5
8	10	7	3	0.6	0.4	0.2	3.5	1.7	1.8
9	9	4	5	0.5	0.2	0.3	3.0	1.3	1.7
10	7	4	3	0.4	0.2	0.2	2.5	1.1	1.4
11	17	4	13	1.0	0.2	0.7	2.1	0.8	1.2
12	12	7	5	0.7	0.4	0.3	1.1	0.6	0.5
13	4	3	1	0.2	0.2	0.1	0.4	0.2	0.2
14	3	1	2	0.2	0.1	0.1	0.2	0.1	0.2
17	1	0	1	0.1	0.0	0.1	0.1	0.0	0.1

nHTM HTML ASCII

at least 10 HTMs HTML ASCII

7--9 HTMs HTML ASCII

4--6 HTMs HTML ASCII

3 HTMs HTML ASCII

2 HTMs HTML ASCII

1 HTM HTML ASCII

Last update: Nov 30, 1999 Contact CUBIC WWW administrator:
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