McrB [B>A, E] 
2144460            Escherichia coli
1854380            Escherichia coli
33347856           Escherichia coli k12
146790             Escherichia coli
21398881           Bacillus anthracis str. a2012
146791             Escherichia coli
15791527           Campylobacter jejuni subsp. jejuni nctc 11168
23049977           Methanosarcina barkeri
15898169           Sulfolobus solfataricus
21400163           Bacillus anthracis str. a2012
15921409           Sulfolobus tokodaii
30250447           Nitrosomonas europaea atcc 19718
20090962           Methanosarcina acetivorans c2a
23043565           Trichodesmium erythraeum ims101
23063401           Pseudomonas fluorescens pfo-1
23126777           Nostoc punctiforme
16329259           Synechocystis sp pcc 6803
4584112            Bacillus cereus
15921411           Sulfolobus tokodaii
30019094           Bacillus cereus atcc 14579
15611234           Helicobacter pylori j99
15678529           Methanothermobacter thermautotrophicus str. delta h
32266942           Helicobacter hepaticus atcc 51449
22127668           Yersinia pestis kim
16120721           Yersinia pestis co92
28868859           Pseudomonas syringae pv. tomato str. dc3000
16077677           Bacillus subtilis subsp. subtilis str. 168
15901112           Streptococcus pneumoniae tigr4
15903173           Streptococcus pneumoniae r6
28898916           Vibrio parahaemolyticus rimd 2210633
639888             Lactococcus lactis
15606070           Aquifex aeolicus vf5
21232164           Xanthomonas campestris pv. campestris str. atcc 33913
24379878           Streptococcus mutans ua159
15645080           Helicobacter pylori 26695
10957435           Deinococcus radiodurans
22971333           Chloroflexus aurantiacus
14590732           Pyrococcus horikoshii
15807928           Deinococcus radiodurans
18314246           Pyrobaculum aerophilum str. im2
1149676            Clostridium perfringens

21396508              Homo sapiens      
16359179              Homo sapiens
19744390              Homo sapiens
21396506              Homo sapiens
7022787               Homo sapiens
22024388              Homo sapiens
33667047              Homo sapiens
20521910              Homo sapiens
7023442               Homo sapiens
27734090              Homo sapiens
28972475              Mus musculus
21666557              Homo sapiens
4589520               Homo sapiens
27718349              Rattus norvegicus
27526775              Homo sapiens
21654877              Homo sapiens
27262622              Homo sapiens
10434119              Homo sapiens
20521780              Homo sapiens
14043081              Homo sapiens
10436601              Homo sapiens
28077105              Mus musculus
26331672              Mus musculus
27712088              Rattus norvegicus
28972648              Mus musculus
24585345              Drosophila melanogaster
31197773              Anopheles gambiae str. pest
31196793              Anopheles gambiae str. pest
31197775              Anopheles gambiae str. pest
12698061              Homo sapiens
16975496              Homo sapiens
27709074              Rattus norvegicus
28522786              Mus musculus
26328183              Mus musculus
17488611              Takifugu rubripes
8980338               Takifugu rubripes
20828897              Mus musculus
7503455               Caenorhabditis elegans
20502970              Caenorhabditis elegans
33090462              Caenorhabditis elegans
22265690              Caenorhabditis elegans
33090464              Caenorhabditis elegans
33090463              Caenorhabditis elegans
25153524              Caenorhabditis elegans
21756090              Homo sapiens
6862587               Mus musculus
25051984              Mus musculus
2914719               Homo sapiens