tRNAscan-SE Analysis of the Erwinia carotovora atroseptica SCRI1043 Genome


[Main Overview] [Secondary Structures] [Analysis Notes]
[tRNAs by Isotype] [tRNAs by Locus]       [Run Options/Stats]
[tRNA Alignments][FASTA Seqs] [Genome DB] [Genome Seq]
[BLAST] [Download] [Bugs/Requests] [Citation] [Legend]
[GtRNAdb Home] [tRNAscan-SE Server] [Lowe Lab] [Other Links]

Structurally Aligned tRNAs (by Isotype & Anticodon)
[Ala] [Arg] [Asn] [Asp] [Cys] [Gln] [Glu] [Gly] [His] [Ile] [Leu] [Lys] [Met] [Phe] [Pro] [Ser] [Thr] [Trp] [Tyr] [Val]
[Suppressor] [Selenocysteine]


Ala tRNAs

>>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GGGGCTATAGCTCAGCTGGGAGAGCGCTTGCATGGCATGCAAGAG...........GtCAGCGGTTCGATCCCGCTTAGCTCCACCA chr.trna55-AlaGGC Sc: 86.51 GGGGCTATAGCTCAGCTGGGAGAGCGCTTGCATGGCATGCAAGAG...........GtCAGCGGTTCGATCCCGCTTAGCTCCACCA chr.trna54-AlaGGC Sc: 86.51 >>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GGGGCTATAGCTCAGCTGGGAGAGCGCCTGCTTTGCACGCAGGAG...........GtCTGCGGTTCGATCCCGCATAGCTCCACCA chr.trna40-AlaTGC Sc: 88.77 GGGGTTATAGCTCAGCTGGGAGAGCGCCTGCCTTGCACGCAGGAG...........GtCTGCGGTTCGATCCCGCATAGCTCCACCA chr.trna4-AlaTGC Sc: 86.08 GGGGTTATAGCTCAGCTGGGAGAGCGCCTGCCTTGCACGCAGGAG...........GtCTGCGGTTCGATCCCGCATAGCTCCACCA chr.trna10-AlaTGC Sc: 86.08

Arg tRNAs

>>>>>>>..>>>>..........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<.<<<<<<<.... GCATCCGTAGCTCAGCTGGAtA.GAGTACTCGGCTACGAACCGAGCG...........GtCGGAGGTTCGAATCCTCC.CGGATGCACCA chr.trna50-ArgACG Sc: 87.22 GCATCCGTAGCTCAGCTGGAtA.GAGTACTCGGCTACGAACCGAGCG...........GtCGGAGGTTCGAATCCTCC.CGGATGCACCA chr.trna49-ArgACG Sc: 87.22 GCATCCGTAGCTCAGCTGGAtA.GAGTACTCGGCTACGAACCGAGCG...........GtCGGAGGTTCGAATCCTCC.CGGATGCACCA chr.trna48-ArgACG Sc: 87.22 >>>>>>>..>>>>..........<<<<.>>>>>.......<<<<<.................>>>>.......<<<<..<<<<<<<.... GCGCCCGTAGCTCAGCTGGAtA.GAGCGCTGCCCTCCGGAGGCAGAG...........GtCTCAGGTTCGAATCCTGT.CGGGCGCACCA chr.trna35-ArgCCG Sc: 91.00 >>>>>>>..>>>>..........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<.<<<<<<<.... GTCTCCATAGTTAAAC.GGAtA.TAACAAGCCCCTCCTAAGGGCTA............GtTGCAGGTTCGATTCCTGC.TGGGGACACCA chr.trna26-ArgCCT Sc: 69.17 >>>>>>>..>>>>..........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<.<<<<<<<.... GCGCCCTTAGCTCAGTTGGAtA.GAGCAACGGCCTTCTAAGCCGTAG...........GtCACAGGTTCGAGCCCTGT.AGGGCGTACCA chr.trna27-ArgTCT Sc: 94.70

Asn tRNAs

>>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... TCCTCTGTAGTTCAGTCGGTAGAACGGCGGACTGTTAATCCGTAT...........GtCACTGGTTCGAGTCCAGTCAGAGGAGCCA chr.trna63-AsnGTT Sc: 87.13 TCCTCTGTAGTTCAGTCGGTAGAACGGCGGACTGTTAATCCGTAT...........GtCACTGGTTCGAGTCCAGTCAGAGGAGCCA chr.trna25-AsnGTT Sc: 87.13 TCCTCTGTAGTTCAGTCGGTAGAACGGCGGACTGTTAATCCGTAT...........GtCACTGGTTCAAGTCCAGTCAGGGGAGCCA chr.trna64-AsnGTT Sc: 83.84

Asp tRNAs

>>>>>>>..>>>>.........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GGAGCGGTAGTTCAGTTGGTtAGAATACCTGCCTGTCACGCAGGGG...........GtCGCGGGTTCGAGCCCCGTCCGTTCCGCCA chr.trna53-AspGTC Sc: 90.47 GGAGCGGTAGTTCAGTTGGTtAGAATACCTGCCTGTCACGCAGGGG...........GtCGCGGGTTCGAGCCCCGTCCGTTCCGCCA chr.trna52-AspGTC Sc: 90.47 GGAGCGGTAGTTCAGTTGGTtAGAATACCTGCCTGTCACGCAGGGG...........GtCGCGGGTTCGAGCCCCGTCCGTTCCGCCA chr.trna33-AspGTC Sc: 90.47

Cys tRNAs

>>>>>>>..>>>..........<<<.>>>>>.......<<<<<...............>>>>>.......<<<<<<<<<<<<.... GGCGCGTTAACAAAGCGGTT.ATGTAGCGGATTGCAAATCCGTCT...........AGTCCGGTTCGACTCCGGAACGCGCCTCCA chr.trna58-CysGCA Sc: 51.48

Gln tRNAs

>>>>>>>..>>>..........<<<.>>>>>.......<<<<<................>>>>>.......<<<<<.<<<<<<<.... TGGGGTATCGCCAAGCGGTA.AGGCACCGGATTCTGATTCCGGC............AtCCGAGGTTCGAATCCTCG.TACCCCAGCCA chr.trna70-GlnCTG Sc: 73.94 >>>>>>>..>>>..........<<<.>>>>>.......<<<<<................>>>>>.......<<<<<.<<<<<<<.... TGGGGTATCGCCAAGCGGTA.AGGCACCGGTTTTTGATACCGGCA...........TtCCCTGGTTCGAATCCAGG.TACCCCAGCCA chr.trna67-GlnTTG Sc: 74.33 TGGGGTATCGCCAAGCGGTA.AGGCACTGGTTTTTGATACCAGCA...........TtCCCTGGTTCGAATCCAGG.TACCCCAGCCA chr.trna68-GlnTTG Sc: 73.02

Glu tRNAs

>>>>>>>..>>>>..........<<<<.>.>>>.......<<<.<...............>>>>>.......<<<<<<<<<<<<.... GTCCCCATCGTCTAGAGGCctA.GGACACTGCCCTTTCACGGCTGTA...........ACAGGGGTTCGAATCCCCTTGGGGACGCCA chr.trna51-GluTTC Sc: 56.95 GTCCCCATCGTCTAGAGGCctA.GGACACTGCCCTTTCACGGCTGTA...........ACAGGGGTTCGAATCCCCTTGGGGACGCCA chr.trna44-GluTTC Sc: 56.95 GTCCCCATCGTCTAGAGGCctA.GGACACTGCCCTTTCACGGCTGTA...........ACAGGGGTTCGAATCCCCTTGGGGACGCCA chr.trna32-GluTTC Sc: 56.95 GTCCCCATCGTCTAGAGGCctA.GGACACTGCCCTTTCACGGCTGTA...........ACAGGGGTTCGAATCCCCTTGGGGACGCCA chr.trna1-GluTTC Sc: 56.95

Gly tRNAs

>>>>>>>..>>>>..........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GCGGGAATAGCTCAGTTGGT.A.GAGCACGACCTTGCCAAGGTCGGG...........GtCGCGAGTTCGAGTCTCGTTTCCCGCTCCA chr.trna57-GlyGCC Sc: 93.74 GCGGGAATAGCTCAGTTGGT.A.GAGCACGACCTTGCCAAGGTCGGG...........GtCGCGAGTTCGAGTCTCGTTTCCCGCTCCA chr.trna43-GlyGCC Sc: 93.74 GCGGGAATAGCTCAGTTGGT.A.GAGCACGACCTTGCCAAGGTCGGG...........GtCGCGAGTTCGAGTCTCGTTTCCCGCTCCA chr.trna42-GlyGCC Sc: 93.74 GCGGGAATAGCTCAGTTGGT.A.GAGCACGACCTTGCCAAGGTCGGG...........GtCGCGAGTTCGAGTCTCGTTTCCCGCTCCA chr.trna41-GlyGCC Sc: 93.74 >>>>>>>..>>>>..........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GCGAGTGTAGTTCAAT.GGT.A.GAACGGCAGCTTCCCAAGCTGCAT...........A.CGAGGGTTCGATTCCCTTCACTCGCTCCA chr.trna17-GlyCCC Sc: 77.86 >>>>>>>..>>>............<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GCGGGCATCGTATAAT.GGCtA.TTACCTCAGCCTTCCAAGCTGATG...........A.TGTGGGTTCGATTCCCACTGCCCGCTCCA chr.trna7-GlyTCC Sc: 63.22

His tRNAs

>>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GTGGCTATAGCTCAGTTGGTAGAGCCCTGGATTGTGATTCCAGTT...........GtCGTGGGTTCGAGTCCCATTAGCCACCCCA chr.trna36-HisGTG Sc: 84.86

Ile tRNAs

>>>>>>>..>>>>.........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... AGGCTTGTAGCTCAGGTGGTtAGAGCGCACCCCTGATAAGGGTGAG...........GtCGGTGGTTCAAGTCCACTCAGGCCTACCA chr.trna9-IleGAT Sc: 88.37 AGGCTTGTAGCTCAGGTGGTtAGAGCGCACCCCTGATAAGGGTGAG...........GtCGGTGGTTCAAGTCCACTCAGGCCTACCA chr.trna39-IleGAT Sc: 88.37 AGGCTTGTAGCTCAGGTGGTtAGAGCGCACCCCTGATAAGGGTGAG...........GtCGGTGGTTCAAGTCCACTCAGGCCTACCA chr.trna3-IleGAT Sc: 88.37

Leu tRNAs

>>>>.>>..>>>...........<<<.>>>>>.......<<<<<.>>>>>>........<<<<<<..>>>>>.......<<<<<.<<.<<<<.... GCCGTGGTGGTGGAATTGGTaGACACGCTACCTTGAGGTGGTAGTGCCCGA........TTGGGCTTACGGGTTCAAGTCCCGT.CCTCGGTACCA chr.trna12-LeuGAG Sc: 65.51 >>>>>>>..>>>...........<<<.>>>>>.......<<<<<.>>>>............<<<<..>>>>>.......<<<<<.<<<<<<<.... GCGAAGGTGGCGGAATTGGTaGACGCGCTAGCTTCAGGTGTTAGTGTCC..TTAC......GGACGTGAGGGTTCAAGTCCCTC.TCTTCGCACCA chr.trna16-LeuCAG Sc: 69.19 GCGAAGGTGGCGGAATTGGTaGACGCGCTAGCTTCAGGTGTTAGTGTTC..TTAC......GGACGTGAGGGTTCAAGTCCCTC.TCTTCGCACCA chr.trna37-LeuCAG Sc: 66.71 GCGAAGGTGGCGGAATTGGTaGACGCGCTAGCTTCAGGTGTTAGTGTTC..TTAC......GGACGTGAGGGTTCAAGTCCCTC.TCTTCGCACCA chr.trna15-LeuCAG Sc: 66.71 GCGAAGGTGGCGGAATTGGTaGACGCGCTAGCTTCAGGTGTTAGTGTTC..TTAC......GGACGTGAGGGTTCAAGTCCCTC.TCTTCGCACCA chr.trna14-LeuCAG Sc: 66.71 >>>>>>>..>>>...........<<<.>>>>>.......<<<<<.>>>..............<<<..>>>>>.......<<<<<.<<<<<<<.... GCGGGAGTGGCGAAATTGGTaGACGCACCAGATTTAGGTTCTGGCGCC...GCAA.......GGTGTGCGAGTTCAAGTCTCGC.CTCCCGCACCA chr.trna66-LeuTAG Sc: 78.30 >>>>>>>..>>>...........<<<.>>>>>.......<<<<<.>>>..............<<<..>>>>>.......<<<<<.<<<<<<<.... GCCGAAGTGGCGAAATCGGTaGACGCAGTTGATTCAAAATCAACCATC...GAAA.......GATGTGCCGGTTCGATTCCGGC.CTTCGGCACCA chr.trna11-LeuCAA Sc: 79.54 >>>>>>>..>>>...........<<<.>>>>>.......<<<<<.>>>>............<<<<..>>>>>.......<<<<<.<<<<<<<.... GCCCGGGTGGTGAAATCGGTaGACACAAGGGATTTAAAATCCCTCGGCG..TTCG......CGCTGTGCGGGTTCAAGTCCCGC.CCCGGGCACCA chr.trna59-LeuTAA Sc: 76.03

Lys tRNAs

>>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GGGTCGTTAGCTCAGTTGGTAGAGCCGTTGACTCTTAATCAATTG...........GtCGCAGGTTCGAACCCTGCACGACCCACCA chr.trna56-LysCTT Sc: 92.42 >>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GGGTCGTTAGCTCAGTCGGTAGAGCAGTTGACTTTTAATCAATTG...........GtCGCAGGTTCGAATCCTGCACGACCCACCA chr.trna31-LysTTT Sc: 97.44 GGGTCGTTAGCTCAGTCGGTAGAGCAGTTGACTTTTAATCAATTG...........GtCGCAGGTTCGAATCCTGCACGACCCACCA chr.trna19-LysTTT Sc: 97.44 GGGTCGTTAGCTCAGTCGGTAGAGCAGTTGACTTTTAATCAATTG...........GtCGCAGGTTCGAATCCTGCACGACCCACCA chr.trna18-LysTTT Sc: 97.44

Met tRNAs

>>>>>>>..>>>>...........<<<<.>>>>>.......<<<<<................>>.>>.......<<.<<<<<<<<<.... GGCTACGTAGCTCAGCT.GGTtA.GAGCACAGCACTCATAATGCTGGG...........GtCACAGGTTCGATTCCCGTCGTAGCCACCA chr.trna69-MetCAT Sc: 94.35 GGCTACGTAGCTCAGCT.GGTtA.GAGCACAGCACTCATAATGCTGGG...........GtCACAGGTTCGATTCCCGTCGTAGCCACCA chr.trna65-MetCAT Sc: 94.35 >>>>>>>..>>>>...........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GGCCCCTTAGCTCAGT..GGTtA.GAGCAGGCGACTCATAATCGCTTG...........GtCGCTGGTTCAAGTCCAGCAGGGGCCACCA chr.trna75-MetCAT Sc: 93.86 .>>>>>>..>>>>...........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<..... CGCGGGGTGGAGCAGCCtGGT.A.GCTCGTCGGGCTCATAACCCGAAG...........GtCGTCGGTTCAAATCCGGCCCCCGCAACCA chr.trna73-MetCAT Sc: 86.07 CGCGGGGTGGAGCAGCCtGGT.A.GCTCGTCGGGCTCATAACCCGAAG...........GtCGTCGGTTCAAATCCGGCCCCCGCAACCA chr.trna72-MetCAT Sc: 86.07 CGCGGGGTGGAGCAGCCtGGT.A.GCTCGTCGGGCTCATAACCCGAAG...........GtCGTCGGTTCAAATCCGGCCCCCGCAACCA chr.trna71-MetCAT Sc: 86.07 CGCGGGGTGGAGCAGCCtGGT.A.GCTCGTCGGGCTCATAACCCGAAG...........GtCGTCGGTTCAAATCCGGCCCCCGCAACCA chr.trna13-MetCAT Sc: 86.07

Phe tRNAs

>>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GCCCGGATAGCTCAGTCGGTAGAGCAGAGGATTGAAAATCCTCGT...........GtCCTTGGTTCGATTCCGAGTCCGGGCACCA chr.trna76-PheGAA Sc: 85.44 GCCCGGATAGCTCAGTCGGTAGAGCAGAGGATTGAAAATCCTCGT...........GtCCTTGGTTCGATTCCGAGTCCGGGCACCA chr.trna74-PheGAA Sc: 85.44

Pro tRNAs

>>>>>>>..>>>>.........<<<<.>>>.>.......<.<<<................>>>>>.......<<<<<<<<<<<<.... CGGCACGTAGCGCAGCCtGGTAGCGCACCGTCATGGGGTGTCGGGG...........GtCGGAGGTTCAAATCCTCTCGTGCCGACCA chr.trna24-ProGGG Sc: 77.97 >>>>>>>..>>>>.........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... CGGCGAGTAGCGCAGCTtGGTAGCGCAACTGGTTTGGGACCAGTGG...........GtCGGAGGTTCGAATCCTCTCTCGCCGACCA chr.trna38-ProTGG Sc: 92.73 CGGCGAGTAGCGCAGCTtGGTAGCGCAACTGGTTTGGGACCAGTGG...........GtCGGAGGTTCGAATCCTCTCTCGCCGACCA chr.trna2-ProTGG Sc: 92.73

SeC tRNAs

Ser tRNAs

>>>>>>>..>>>............<<<.>>>>>.......<<<<<..>>>>>>.......<<<<<<..>>>>>.......<<<<<..<<<<<<<.... GGTGAGGTGTCCGAGAGGCtgA.AGGAGCACGCCTGGAAAGTGTGT.ATACGT.GAAA..ACGTAT.CAAGGGTTCGAATCCCTT..CCTCACCGCCA chr.trna62-SerGGA Sc: 62.30 GGTGAGGTGTCCGAGAGGCtgA.AGGAGCACGCCTGGAAAGTGTGT.ATACGT.GAAA..ACGTAT.CAAGGGTTCGAATCCCTT..CCTCACCGCCA chr.trna23-SerGGA Sc: 62.30 >>>>>>>..>>>............<<<.>>>>>.......<<<<<..>>>>...........<<<<..>>>>>.......<<<<<..<<<<<<<.... GGAGGAGTGGCCGAGTGGTtgA.AGGCACCGGTCTTGAAAACCGGCGACGC...GAAA....GTGTTCTAGAGTTCGAATCTCTA..CTCCTCCGCCA chr.trna21-SerTGA Sc: 76.91 GGAGGAGTGGCCGAGTGGTtgA.AGGCACCGGTCTTGAAAACCGGCGACGC...GAAA....GTGTTCTAGAGTTCGAATCTCTA..CTCCTCCGCCA chr.trna20-SerTGA Sc: 76.91 >>>>>>>..>>>............<<<.>>>>>.......<<<<<..>>>>>>>.....<<<<<<<..>>>>>.......<<<<<..<<<<<<<.... GGTGAGGTGGCCGAGAGGCtgA.AGGCGCTCCCCTGCTAAGGGAGT.ATGCGGTCAAAaGCTGCAT.CGAGGGTTCGAATCCCTC..CCTCACCGCCA chr.trna47-SerGCT Sc: 74.38

Sup tRNAs

Thr tRNAs

>>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GCTGATATAGCTCAGTTGGTAGAGCGCACCCTTGGTAAGGGTGAG...........GtCGGCAGTTCGAATCTGCCTATCAGCACCA chr.trna8-ThrGGT Sc: 94.75 GCTGATATGGCTCAGTTGGTAGAGCGCACCCTTGGTAAGGGTGAG...........GtCCCCAGTTCGACTCTGGGTATCAGCACCA chr.trna45-ThrGGT Sc: 88.70 >>>>>>>..>>>>........<<<<..>>>>.......<<<<.................>>>>>.......<<<<<<<<<<<<.... GCCGATATAGCTCAGTTGGTAGAGCAGCGCATTCGTAATGCGAAG...........GtCGTAGGTTCGACTCCTATTATCGGCACCA chr.trna46-ThrCGT Sc: 91.49 >>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>>>.>.......<.<<<<<<<<<<.... GCCGGCTTAGCTCAGTAGGTAGAGCAACTGACTTGTAATCAGTAG...........GtCACCAGTTCGATTCCGGTAGCCGGCACCA chr.trna5-ThrTGT Sc: 92.56

Trp tRNAs

>>>>>>>..>>>>........<<<<.>>>>>.......<<<<<................>.>>>.......<<<.<<<<<<<<.... AGGGGCGTAGCTCAGTTGGTAGAGCACCGGTCTCCAAAACCGGGT...........GtCGCGAGTTCGAGTCTCTCCGCCCCTGCCA chr.trna34-TrpCCA Sc: 87.12

Tyr tRNAs

>>>>>>>..>>>............<<<.>>>>>.......<<<<<.>>>........<<<...>>>>>.......<<<<<.<<<<<<<.... GGTGGGGTTCCCGAGCGGCcaA.AGGGAGCAGACTGTAAATCTGCCGTCACA.....GACTtCGAAGGTTCGAATCCTTC.CCCCACCACCA chr.trna6-TyrGTA Sc: 67.63 GGTGGGGTTCCCGAGCGGCcaA.AGGGAGCAGACTGTAAATCTGCCGTCACA.....GACTtCGAAGGTTCGAATCCTTC.CCCCACCACCA chr.trna22-TyrGTA Sc: 67.63

Val tRNAs

>>>>>>>..>>>>.........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GCGTTCATAGCTCAGTTGGTtAGAGCACCACCTTGACATGGTGGGG...........GtCGTTGGTTCGAGTCCAATTGAACGCACCA chr.trna60-ValGAC Sc: 92.34 ACGACCGTAGCTCAGTTGGTtAGAGCACCACCTTGACATGGTGGGG...........GtCGGTGGTTCGAGTCCACTCGGTCGTACCA chr.trna61-ValGAC Sc: 91.89 >>>>>>>..>>>>.........<<<<.>>>>>.......<<<<<................>>>>>.......<<<<<<<<<<<<.... GGGTGATTAGCTCAGCTGGG.AGAGCACCTCCCTTACAAGGAGGGG...........GtCGGCGGTTCGATCCCGTCATCACCCACCA chr.trna30-ValTAC Sc: 94.34 GGGTGATTAGCTCAGCTGGG.AGAGCACCTCCCTTACAAGGAGGGG...........GtCGGCGGTTCGATCCCGTCATCACCCACCA chr.trna29-ValTAC Sc: 94.34 GGGTGATTAGCTCAGCTGGG.AGAGCACCTCCCTTACAAGGAGGGG...........GtCGGCGGTTCGATCCCGTCATCACCCACCA chr.trna28-ValTAC Sc: 94.34

The Genomic tRNA Database is curated by
Todd Lowe and Patricia Chan. Please email lowe@soe.ucsc.edu with any questions and comments. To submit corrections, please use our Bug and Request Tracking System.