| Definition | Carboxydothermus hydrogenoformans Z-2901 chromosome, complete genome. |
|---|---|
| Accession | NC_007503 |
| Length | 2,401,520 |
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The map label for this gene is ytcI [H]
Identifier: 78043839
GI number: 78043839
Start: 491557
End: 493185
Strand: Direct
Name: ytcI [H]
Synonym: CHY_0572
Alternate gene names: 78043839
Gene position: 491557-493185 (Clockwise)
Preceding gene: 78044451
Following gene: 78043892
Centisome position: 20.47
GC content: 49.29
Gene sequence:
>1629_bases ATGGTCGACTATGAAAAAACTTACCGTGAATTTCGGCACCAGGTGCCCGAGTATTTTAATTTTGCCCGGGATACTTTTGA TGTCTGGGCCCAAGATCCGAATAAACTTGCTATGCTCTGGGTCGATGACTTCGGCAATGAACGGCGTTTTACTTTTAAAC AATTTTCAGAATTATCAAAACAAACTGCCAATTTCTTTAATTTTCTGGGGGTTAAGCAGGGGGACCGAATTTTAGTTATT TTGCCGCGGTTACCGGAATGGTGGGTAATTTACCTGGCGGCAATTCGGGCTGGGATAATTTTTATTCCGGGGACTACCCA GCTGACTTCTAAGGATATTAAATACCGGGTGGAAACAGCGGAAACGGTTATGGTGATTACCGATGAGGATAATGCGGCCA AGGTGGAAGAAATTAAAGGAGAGTTACCGGTATTAAAACATCTCGTAATCGTCGGCAAGAGGGACGGATGGCTTTCCTTA AACGAGGAGATTGCTAAATTTAGTCCGGAGTACGAAGCTGCTAACACTAAAAGCGATGACCCGGCGATTATCTTTTTCAC TTCGGGAACCACCGGCTATCCCAAGATGGCCGTGCATACCCACGCCAGTTACCCGATAGGCCACTATATTACCGGAAAGT ACTGGCTGGATTTAACTCCCGATGACCTGCACTGGAATATGTCCGATACCGGGTGGGCAAAAGCGGCCTGGTCCAGCTTT TTTGGGCCGTGGATTTGCGGTGCGGCAATTTTTGTCCACCATTCGGTGGGTAAATTTGACGCTAAAAAAACGTTGGAGCT TTTAGCTAAATATCCCATCACCACCTTCTGTGGTCCGCCAACCGCTTACCGGGTTTTTGTTCTGGAAGATTTAAAAAAGT ATAAGTTTCCGCATTTACGCCATTGCGTAGCTGCGGGCGAACCTTTAAACCCCGAGGTAATCAAAGTGTGGAAAGAAGCA ACCGGGCTAACCATCCGGGATGGTTACGGCCAAACGGAAACCTGCGTCCTGGTGGCGAACTTCCCCTGTTTTGAAGTAAA ACCCGGGTCGATGGGTAAACCGGCTCCCGGCTATTATGTCTCGATCATTGACGATGAAGGGAACGAACTGCCGCCCGGCA AGGAAGGTAATATTGCCATTAAAGTTAAACCGGAGCGGCCGGTGGGACTGTTTAAAGAATACTGGAAAAATCCCGATAAA ACCGCCGAAGTGTTCCGGGGCGACTGGTATTTAACCGGCGACCGGGCTATTAAAGATGAGGATGGCTACTTCTGGTTTGT GGGCCGGGCTGATGATGTTATCCTGGCTGCCGGCTACCGGATAGGACCGTTTGAGGTGGAAAGCGCCCTGGTGGAGCATC CGGCGGTGGCCGAGGCGGCGGTCGTGGCGAGCCCCGATGAAATCCGGGGAGAAATTGTCAAGGCGTTTGTGGTACTGGCC CCGGGATATTCTCCGTCGGAGGAACTGGTTAAAGAATTGCAGGAGCACGTGAAGAAAGTTACCGCTCCTTATAAGTACCC GCGGGAAATCGAATTTATCGATGCTTTACCCAAAACCGTTTCCGGTAAAATCCGCCGGGTGGAGTTGAGGGAAAGAGAGT GGGCCAAAAAGCTCGGTAAAAAGAAATAA
Upstream 100 bases:
>100_bases AAAATTTTGCAGTTCACGGTAAGTTTATTGGAAGCAGCAGCTTTTTGGATTATAACTTAAAGTAGCAAAACATTTTGAGG AGGGGTTTTAAATGCCAAAC
Downstream 100 bases:
>100_bases TTTACCGTGGAAAAGGGAGGGAGATTTATGGATGAGTTAAAAAAAGCTTATGAAGAGTGGCAGAAGAAGTATCAGGAAAA ATGCCCCGATAAAGATGAAG
Product: acetyl-coenzyme A synthetase family protein
Products: Acetyl-CoA; AMP; Diphosphate [C]
Alternate protein names: NA
Number of amino acids: Translated: 542; Mature: 542
Protein sequence:
>542_residues MVDYEKTYREFRHQVPEYFNFARDTFDVWAQDPNKLAMLWVDDFGNERRFTFKQFSELSKQTANFFNFLGVKQGDRILVI LPRLPEWWVIYLAAIRAGIIFIPGTTQLTSKDIKYRVETAETVMVITDEDNAAKVEEIKGELPVLKHLVIVGKRDGWLSL NEEIAKFSPEYEAANTKSDDPAIIFFTSGTTGYPKMAVHTHASYPIGHYITGKYWLDLTPDDLHWNMSDTGWAKAAWSSF FGPWICGAAIFVHHSVGKFDAKKTLELLAKYPITTFCGPPTAYRVFVLEDLKKYKFPHLRHCVAAGEPLNPEVIKVWKEA TGLTIRDGYGQTETCVLVANFPCFEVKPGSMGKPAPGYYVSIIDDEGNELPPGKEGNIAIKVKPERPVGLFKEYWKNPDK TAEVFRGDWYLTGDRAIKDEDGYFWFVGRADDVILAAGYRIGPFEVESALVEHPAVAEAAVVASPDEIRGEIVKAFVVLA PGYSPSEELVKELQEHVKKVTAPYKYPREIEFIDALPKTVSGKIRRVELREREWAKKLGKKK
Sequences:
>Translated_542_residues MVDYEKTYREFRHQVPEYFNFARDTFDVWAQDPNKLAMLWVDDFGNERRFTFKQFSELSKQTANFFNFLGVKQGDRILVI LPRLPEWWVIYLAAIRAGIIFIPGTTQLTSKDIKYRVETAETVMVITDEDNAAKVEEIKGELPVLKHLVIVGKRDGWLSL NEEIAKFSPEYEAANTKSDDPAIIFFTSGTTGYPKMAVHTHASYPIGHYITGKYWLDLTPDDLHWNMSDTGWAKAAWSSF FGPWICGAAIFVHHSVGKFDAKKTLELLAKYPITTFCGPPTAYRVFVLEDLKKYKFPHLRHCVAAGEPLNPEVIKVWKEA TGLTIRDGYGQTETCVLVANFPCFEVKPGSMGKPAPGYYVSIIDDEGNELPPGKEGNIAIKVKPERPVGLFKEYWKNPDK TAEVFRGDWYLTGDRAIKDEDGYFWFVGRADDVILAAGYRIGPFEVESALVEHPAVAEAAVVASPDEIRGEIVKAFVVLA PGYSPSEELVKELQEHVKKVTAPYKYPREIEFIDALPKTVSGKIRRVELREREWAKKLGKKK >Mature_542_residues MVDYEKTYREFRHQVPEYFNFARDTFDVWAQDPNKLAMLWVDDFGNERRFTFKQFSELSKQTANFFNFLGVKQGDRILVI LPRLPEWWVIYLAAIRAGIIFIPGTTQLTSKDIKYRVETAETVMVITDEDNAAKVEEIKGELPVLKHLVIVGKRDGWLSL NEEIAKFSPEYEAANTKSDDPAIIFFTSGTTGYPKMAVHTHASYPIGHYITGKYWLDLTPDDLHWNMSDTGWAKAAWSSF FGPWICGAAIFVHHSVGKFDAKKTLELLAKYPITTFCGPPTAYRVFVLEDLKKYKFPHLRHCVAAGEPLNPEVIKVWKEA TGLTIRDGYGQTETCVLVANFPCFEVKPGSMGKPAPGYYVSIIDDEGNELPPGKEGNIAIKVKPERPVGLFKEYWKNPDK TAEVFRGDWYLTGDRAIKDEDGYFWFVGRADDVILAAGYRIGPFEVESALVEHPAVAEAAVVASPDEIRGEIVKAFVVLA PGYSPSEELVKELQEHVKKVTAPYKYPREIEFIDALPKTVSGKIRRVELREREWAKKLGKKK
Specific function: Enables The Cell To Use Acetate During Aerobic Growth To Generate Energy Via The Tca Cycle, And Biosynthetic Compounds Via The Glyoxylate Shunt. Acetylates Chey, The Response Regulator Involved In Flagellar Movement And Chemotaxis. [C]
COG id: COG0365
COG function: function code I; Acyl-coenzyme A synthetases/AMP-(fatty) acid ligases
Gene ontology:
Cell location: Cytoplasm [C]
Metaboloic importance: Non_Essential [C]
Operon status: Not Known
Operon components: None
Similarity: Belongs to the ATP-dependent AMP-binding enzyme family [H]
Homologues:
Organism=Homo sapiens, GI42544132, Length=543, Percent_Identity=52.3020257826888, Blast_Score=611, Evalue=1e-175, Organism=Homo sapiens, GI122937307, Length=546, Percent_Identity=53.4798534798535, Blast_Score=583, Evalue=1e-166, Organism=Homo sapiens, GI38505220, Length=536, Percent_Identity=51.6791044776119, Blast_Score=570, Evalue=1e-162, Organism=Homo sapiens, GI58082049, Length=546, Percent_Identity=48.1684981684982, Blast_Score=519, Evalue=1e-147, Organism=Homo sapiens, GI157311624, Length=546, Percent_Identity=47.4358974358974, Blast_Score=514, Evalue=1e-145, Organism=Homo sapiens, GI157311622, Length=546, Percent_Identity=47.4358974358974, Blast_Score=514, Evalue=1e-145, Organism=Homo sapiens, GI115511026, Length=533, Percent_Identity=46.3414634146341, Blast_Score=493, Evalue=1e-139, Organism=Homo sapiens, GI42544134, Length=377, Percent_Identity=44.0318302387268, Blast_Score=365, Evalue=1e-101, Organism=Homo sapiens, GI195947378, Length=443, Percent_Identity=38.6004514672686, Blast_Score=318, Evalue=8e-87, Organism=Homo sapiens, GI28416953, Length=531, Percent_Identity=29.7551789077213, Blast_Score=214, Evalue=1e-55, Organism=Homo sapiens, GI8923896, Length=556, Percent_Identity=28.9568345323741, Blast_Score=193, Evalue=4e-49, Organism=Homo sapiens, GI13375727, Length=537, Percent_Identity=28.6778398510242, Blast_Score=191, Evalue=2e-48, Organism=Homo sapiens, GI253970489, Length=569, Percent_Identity=28.2952548330404, Blast_Score=188, Evalue=1e-47, Organism=Homo sapiens, GI156151445, Length=524, Percent_Identity=28.6259541984733, Blast_Score=154, Evalue=2e-37, Organism=Homo sapiens, GI187761345, Length=388, Percent_Identity=30.1546391752577, Blast_Score=142, Evalue=6e-34, Organism=Homo sapiens, GI187761343, Length=388, Percent_Identity=30.1546391752577, Blast_Score=142, Evalue=6e-34, Organism=Homo sapiens, GI227499619, Length=537, Percent_Identity=23.2774674115456, Blast_Score=74, Evalue=4e-13, Organism=Escherichia coli, GI1790505, Length=544, Percent_Identity=30.3308823529412, Blast_Score=246, Evalue=4e-66, Organism=Escherichia coli, GI1788107, Length=525, Percent_Identity=27.4285714285714, Blast_Score=191, Evalue=1e-49, Organism=Escherichia coli, GI221142682, Length=518, Percent_Identity=27.2200772200772, Blast_Score=174, Evalue=1e-44, Organism=Escherichia coli, GI1786529, Length=547, Percent_Identity=26.508226691042, Blast_Score=163, Evalue=3e-41, Organism=Escherichia coli, GI145693145, Length=524, Percent_Identity=29.5801526717557, Blast_Score=160, Evalue=2e-40, Organism=Escherichia coli, GI1786810, Length=506, Percent_Identity=23.1225296442688, Blast_Score=121, Evalue=1e-28, Organism=Escherichia coli, GI1786801, Length=504, Percent_Identity=24.4047619047619, Blast_Score=113, Evalue=2e-26, Organism=Escherichia coli, GI1789201, Length=374, Percent_Identity=26.7379679144385, Blast_Score=101, Evalue=1e-22, Organism=Caenorhabditis elegans, GI71983001, Length=543, Percent_Identity=30.939226519337, Blast_Score=181, Evalue=7e-46, Organism=Caenorhabditis elegans, GI71982997, Length=543, Percent_Identity=30.939226519337, Blast_Score=181, Evalue=8e-46, Organism=Caenorhabditis elegans, GI32563687, Length=514, Percent_Identity=27.6264591439689, Blast_Score=173, Evalue=3e-43, Organism=Caenorhabditis elegans, GI17558820, Length=501, Percent_Identity=28.3433133732535, Blast_Score=172, Evalue=4e-43, Organism=Caenorhabditis elegans, GI71996755, Length=509, Percent_Identity=25.3438113948919, Blast_Score=131, Evalue=1e-30, Organism=Caenorhabditis elegans, GI17557194, Length=536, Percent_Identity=25.7462686567164, Blast_Score=130, Evalue=2e-30, Organism=Caenorhabditis elegans, GI71994694, Length=531, Percent_Identity=25.4237288135593, Blast_Score=129, Evalue=4e-30, Organism=Caenorhabditis elegans, GI71994690, Length=531, Percent_Identity=25.4237288135593, Blast_Score=129, Evalue=4e-30, Organism=Caenorhabditis elegans, GI17559526, Length=563, Percent_Identity=25.3996447602131, Blast_Score=129, Evalue=4e-30, Organism=Caenorhabditis elegans, GI71994703, Length=531, Percent_Identity=25.4237288135593, Blast_Score=129, Evalue=5e-30, Organism=Caenorhabditis elegans, GI17531443, Length=530, Percent_Identity=24.1509433962264, Blast_Score=128, Evalue=8e-30, Organism=Caenorhabditis elegans, GI17560308, Length=534, Percent_Identity=26.9662921348315, Blast_Score=125, Evalue=7e-29, Organism=Caenorhabditis elegans, GI17538037, Length=541, Percent_Identity=25.5083179297597, Blast_Score=124, Evalue=2e-28, Organism=Caenorhabditis elegans, GI71985884, Length=358, Percent_Identity=27.6536312849162, Blast_Score=115, Evalue=6e-26, Organism=Caenorhabditis elegans, GI17560140, Length=524, Percent_Identity=24.0458015267176, Blast_Score=112, Evalue=4e-25, Organism=Saccharomyces cerevisiae, GI6319264, Length=542, Percent_Identity=31.3653136531365, Blast_Score=218, Evalue=2e-57, Organism=Saccharomyces cerevisiae, GI6323182, Length=562, Percent_Identity=30.2491103202847, Blast_Score=212, Evalue=1e-55, Organism=Saccharomyces cerevisiae, GI6319699, Length=461, Percent_Identity=28.6334056399132, Blast_Score=145, Evalue=2e-35, Organism=Drosophila melanogaster, GI24667955, Length=534, Percent_Identity=28.8389513108614, Blast_Score=186, Evalue=4e-47, Organism=Drosophila melanogaster, GI62472339, Length=534, Percent_Identity=28.8389513108614, Blast_Score=186, Evalue=4e-47, Organism=Drosophila melanogaster, GI24667959, Length=388, Percent_Identity=31.9587628865979, Blast_Score=170, Evalue=2e-42, Organism=Drosophila melanogaster, GI21355225, Length=564, Percent_Identity=25, Blast_Score=145, Evalue=5e-35, Organism=Drosophila melanogaster, GI24581924, Length=529, Percent_Identity=26.6540642722117, Blast_Score=145, Evalue=8e-35, Organism=Drosophila melanogaster, GI21355181, Length=479, Percent_Identity=26.0960334029228, Blast_Score=124, Evalue=1e-28, Organism=Drosophila melanogaster, GI18859661, Length=519, Percent_Identity=24.8554913294798, Blast_Score=121, Evalue=1e-27, Organism=Drosophila melanogaster, GI19922652, Length=507, Percent_Identity=23.4714003944773, Blast_Score=107, Evalue=2e-23, Organism=Drosophila melanogaster, GI24648260, Length=367, Percent_Identity=26.4305177111717, Blast_Score=105, Evalue=6e-23, Organism=Drosophila melanogaster, GI24653035, Length=369, Percent_Identity=26.2872628726287, Blast_Score=102, Evalue=1e-21, Organism=Drosophila melanogaster, GI20130357, Length=399, Percent_Identity=25.062656641604, Blast_Score=101, Evalue=1e-21, Organism=Drosophila melanogaster, GI24656500, Length=497, Percent_Identity=22.3340040241449, Blast_Score=98, Evalue=1e-20, Organism=Drosophila melanogaster, GI24648253, Length=486, Percent_Identity=24.2798353909465, Blast_Score=98, Evalue=1e-20, Organism=Drosophila melanogaster, GI21356947, Length=460, Percent_Identity=24.7826086956522, Blast_Score=98, Evalue=1e-20, Organism=Drosophila melanogaster, GI24648255, Length=486, Percent_Identity=24.0740740740741, Blast_Score=95, Evalue=1e-19, Organism=Drosophila melanogaster, GI24648257, Length=422, Percent_Identity=26.7772511848341, Blast_Score=92, Evalue=1e-18, Organism=Drosophila melanogaster, GI21358303, Length=468, Percent_Identity=23.9316239316239, Blast_Score=89, Evalue=1e-17, Organism=Drosophila melanogaster, GI281365686, Length=359, Percent_Identity=24.7910863509749, Blast_Score=88, Evalue=1e-17, Organism=Drosophila melanogaster, GI21356441, Length=503, Percent_Identity=22.8628230616302, Blast_Score=88, Evalue=1e-17, Organism=Drosophila melanogaster, GI161076582, Length=372, Percent_Identity=24.7311827956989, Blast_Score=87, Evalue=3e-17,
Paralogues:
None
Copy number: NA
Swissprot (AC and ID): NA
Other databases:
- InterPro: IPR020845 - InterPro: IPR000873 [H]
Pfam domain/function: PF00501 AMP-binding [H]
EC number: 6.2.1.1 [C]
Molecular weight: Translated: 61528; Mature: 61528
Theoretical pI: Translated: 6.53; Mature: 6.53
Prosite motif: PS00455 AMP_BINDING
Important sites: NA
Signals:
None
Transmembrane regions:
None
Cys/Met content:
0.9 %Cys (Translated Protein) 1.1 %Met (Translated Protein) 2.0 %Cys+Met (Translated Protein) 0.9 %Cys (Mature Protein) 1.1 %Met (Mature Protein) 2.0 %Cys+Met (Mature Protein)
Secondary structure:
>Translated Secondary Structure MVDYEKTYREFRHQVPEYFNFARDTFDVWAQDPNKLAMLWVDDFGNERRFTFKQFSELSK CCCHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCEEEEEEEECCCCCCCCHHHHHHHHHH QTANFFNFLGVKQGDRILVILPRLPEWWVIYLAAIRAGIIFIPGTTQLTSKDIKYRVETA HHHHHHHHHCCCCCCEEEEECCCCCHHHHHHHHHHHCCEEEECCCCCCCCCCCEEEEEEC ETVMVITDEDNAAKVEEIKGELPVLKHLVIVGKRDGWLSLNEEIAKFSPEYEAANTKSDD EEEEEEECCCCCHHHHHHCCCCHHEEEEEEEECCCCCEECCHHHHHCCCCCCCCCCCCCC PAIIFFTSGTTGYPKMAVHTHASYPIGHYITGKYWLDLTPDDLHWNMSDTGWAKAAWSSF CEEEEEECCCCCCCCEEEEECCCCCCCEEEECEEEEEECCCCCEECCCCCCHHHHHHHHC FGPWICGAAIFVHHSVGKFDAKKTLELLAKYPITTFCGPPTAYRVFVLEDLKKYKFPHLR CHHHHHHHHHHHCCCCCCCCHHHHHHHHHHCCCCEECCCCCCEEEEEEHHHHHCCCHHHH HCVAAGEPLNPEVIKVWKEATGLTIRDGYGQTETCVLVANFPCFEVKPGSMGKPAPGYYV HHHHCCCCCCHHHHHHHHHHCCCEEECCCCCCCEEEEEECCCEEEECCCCCCCCCCCEEE SIIDDEGNELPPGKEGNIAIKVKPERPVGLFKEYWKNPDKTAEVFRGDWYLTGDRAIKDE EEEECCCCCCCCCCCCCEEEEECCCCCHHHHHHHCCCCCCHHHHCCCCEEEECCCEEECC DGYFWFVGRADDVILAAGYRIGPFEVESALVEHPAVAEAAVVASPDEIRGEIVKAFVVLA CCEEEEEECCCCEEEECCCCCCCHHHHHHHHCCCCHHHEEEECCCHHHHHHHEEEEEEEE PGYSPSEELVKELQEHVKKVTAPYKYPREIEFIDALPKTVSGKIRRVELREREWAKKLGK CCCCCHHHHHHHHHHHHHHHCCCCCCCCCCHHHHHCCHHHCCCEEEEEHHHHHHHHHHCC KK CC >Mature Secondary Structure MVDYEKTYREFRHQVPEYFNFARDTFDVWAQDPNKLAMLWVDDFGNERRFTFKQFSELSK CCCHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCEEEEEEEECCCCCCCCHHHHHHHHHH QTANFFNFLGVKQGDRILVILPRLPEWWVIYLAAIRAGIIFIPGTTQLTSKDIKYRVETA HHHHHHHHHCCCCCCEEEEECCCCCHHHHHHHHHHHCCEEEECCCCCCCCCCCEEEEEEC ETVMVITDEDNAAKVEEIKGELPVLKHLVIVGKRDGWLSLNEEIAKFSPEYEAANTKSDD EEEEEEECCCCCHHHHHHCCCCHHEEEEEEEECCCCCEECCHHHHHCCCCCCCCCCCCCC PAIIFFTSGTTGYPKMAVHTHASYPIGHYITGKYWLDLTPDDLHWNMSDTGWAKAAWSSF CEEEEEECCCCCCCCEEEEECCCCCCCEEEECEEEEEECCCCCEECCCCCCHHHHHHHHC FGPWICGAAIFVHHSVGKFDAKKTLELLAKYPITTFCGPPTAYRVFVLEDLKKYKFPHLR CHHHHHHHHHHHCCCCCCCCHHHHHHHHHHCCCCEECCCCCCEEEEEEHHHHHCCCHHHH HCVAAGEPLNPEVIKVWKEATGLTIRDGYGQTETCVLVANFPCFEVKPGSMGKPAPGYYV HHHHCCCCCCHHHHHHHHHHCCCEEECCCCCCCEEEEEECCCEEEECCCCCCCCCCCEEE SIIDDEGNELPPGKEGNIAIKVKPERPVGLFKEYWKNPDKTAEVFRGDWYLTGDRAIKDE EEEECCCCCCCCCCCCCEEEEECCCCCHHHHHHHCCCCCCHHHHCCCCEEEECCCEEECC DGYFWFVGRADDVILAAGYRIGPFEVESALVEHPAVAEAAVVASPDEIRGEIVKAFVVLA CCEEEEEECCCCEEEECCCCCCCHHHHHHHHCCCCHHHEEEECCCHHHHHHHEEEEEEEE PGYSPSEELVKELQEHVKKVTAPYKYPREIEFIDALPKTVSGKIRRVELREREWAKKLGK CCCCCHHHHHHHHHHHHHHHCCCCCCCCCCHHHHHCCHHHCCCEEEEEHHHHHHHHHHCC KK CC
PDB accession: NA
Resolution: NA
Structure class: Alpha Beta
Cofactors: NA
Metal ions: NA
Kcat value (1/min): NA
Specific activity: NA
Km value (mM): NA
Substrates: Acetate; ATP; Coenzyme A [C]
Specific reaction: Acetate + ATP + Coenzyme A --> Acetyl-CoA + AMP + Diphosphate [C]
General reaction: Acid-thiol ligation [C]
Inhibitor: NA
Structure determination priority: 9.0
TargetDB status: NA
Availability: NA
References: 9387221; 9384377 [H]