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aspS2

Gene
aspS2
Protein
Aspartate--tRNA(Asp/Asn) ligase 2
Organism
Syntrophus aciditrophicus (strain SB)
Length
591 amino acids
Function
Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn).
Similarity
Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily.
Mass
67.123 kDa
Sequence
MSDFITIKKRTHYCGQLDSSDSGKEVILMGWVHRRRDHGGVIFVDFRDREGLVQIVFNPEYSPVAHQEAHKIRSEYVLAVRGAVRNRPEGMVNPDMKTGAIEVMVEELEILNESQTPPFSLESESDISENIRLKYRYLDLRRPQIQRNIMLRNRVAAETRQFFQSNGFIEIETPFLTKSTPEGARDYLVPSRINKGTFYALPQSPQIFKQLLMVSGFDRYFQIVKCFRDEDLRADRQPEFTQIDVEMSFITEDDIIEIMEGLMTHLFSRCLNRTFSTPFPRLSYAEAIGRYGKDNPDIRFGLELRDLTDILADSGLTVFREAAAGGGMIKAIRIPEGKRLSRKDLDDLQNFVSIYGARGLAWARVLADGWTSPIFKFLTADEVRQINGRMEAVEGDVLVFVADTPTVVNDSLGNLRIHLAKKLNLIDPEQFAFVWITEFPLMEFSDTEKRYVSTHHPFTSPVPDDVKYLPGEPGKVRARAYDLVLNGSEVGGGSIRIHRKEIQSLIFEALGLENEEVRSKFGFLLDALEFGTPPHGGIAFGLDRLVMMMTGAESIRDVIAFPKTQKATCLMTDAPSRVSIEQLMELSLKIV

Gene
aspS2
Protein
Aspartate--tRNA ligase 2
Organism
Streptococcus mutans serotype c (strain ATCC 700610 / UA159)
Length
589 amino acids
Function
Catalyzes the attachment of L-aspartate to tRNA(Asp) in a two-step reaction: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp).
Similarity
Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily.
Mass
66.967 kDa
Sequence
MKRSMYAGAVRSEHIGQELTLKGWVARRRDLGGLIFIDLRDREGIVQLVINPKTASNTVVKSAESLRSEYVIEVTGMIVERDQANDNLPTGCVEMQVTQLTILNASQTPPFEIKDKIEANDDTRLRYRYLDLRRPEMLKNFKLRAKVTHVIRNYLDDLDFIDVETPMLAKSTPEGARDYLVPSRMSRGHFYALPQSPQITKQLLMNAGFDRYYQIVKCFRDEDLRGDRQPEFTQVDLETSFLSEQEIQEITERLIACVMKEVKGIELQLPLPQISYDTAMNNYGSDKPDTRFEMTLQDLTDLVKNIDFKVFSQAPAVKAIVAKNAANSYSRKAIDKLTDIVKPFGAKGLAWVKYNDGKIGGPIAKFLTTIEDELIERLQLEANDLVFFVADDLEIANGSLGALRNHLAKELNLIDHSKFNFLWVVDWPMFEWSEEENRYTSAHHPFTLPQEDTVAELEGDLSKVRAVAYDIVLNGYELGGGSLRINQRETQERMFKALGFTKESAQKQFGFLLEAMDYGFPPHGGLALGLDRFVMLLAGKENIREVIAFPKNNKASDPMTQAPSLVSDKQLDELYLQVNKNAVKNNEQE

Gene
aspS2
Protein
Aspartate--tRNA ligase, cytoplasmic 2
Organism
Dictyostelium discoideum
Length
569 amino acids
Similarity
Belongs to the class-II aminoacyl-tRNA synthetase family. Type 2 subfamily.
Mass
67.218 kDa
Sequence
MSEENNHKEKSKNEIKKEKKKIEKEKKITELKSKKKINEKNNTINYDDDDDNDDDNFKNKKWGEINNENYKEIIKNRFVKEWSNISDLNESCVGKYVLIRARVSNIRSFGNSLCFLQLRDGLSSIQAVISKNDENNSKSMIHFINSTITKESIIDIEAILTNSSTPIESCIIKNLELKIYSLFLQSKSNSSLPLQFDDLSKPTTYQNYDDNGYTYVIPLNSRLNNRCLDLRTFYNLSIFKIQSAISNLFRDQLLINDFIEIHSPKIIKQSINENSFKLNYFNEIAYLSESTQFYRQLAIVSDFKRVFEIGPVYRTDLGHTHRHLNEFTSLDFEMTFKDHYHEVLDFLDNLMISIFKILETNYENELKIINNYQLQFEKFKFSTKTPRFTFSEVKLMLIEFSENENNKFCMELFDYLNVQEERIFGKIVKEKFNVDYYIIEKPSSEYQPFYIMPDSNNEKLLNSFHIYINGEKIGSGSQRIHDWKLLEKRYKNYYINHNNNNNNNNNNNNNNNNNNNNNNIENYINIFKFGCSQHAGCSIGLERLVMAYLGLENIRKASFCPRDPTRLTP

Gene
aspS2
Protein
Aspartate--tRNA(Asp/Asn) ligase
Organism
Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422)
Length
435 amino acids
Function
Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn). Is slightly more efficient at aminoacylating tRNA(Asn) over tRNA(Asp).
Similarity
Belongs to the class-II aminoacyl-tRNA synthetase family. Type 2 subfamily.
Mass
48.231 kDa
Sequence
MTSPLKRTLTRELPQHEGQTVKLQGFVHARRDLGGVQFLVLRDVTGVTQCVGSGLTLPLAESSVEVVGKVKAHPKAPGGFEVQVEDFRVISAATEATPVEIPKMEWNVNPETMLDYRVVTVRGLKERAALKVQAELVDAFRAHLRGEGFTEISTPKIVSAGAEGGANLFPIDYFGHPAYLAQSPQLYKQIMVGVFERVFEVAAVYRAEEHATSRHLNEYLSLDVEMGFIEDEEDVMGLENRLLASIMERLRATSQAEFELLGATIPDVPAHIPRITLMDARQLVTEKYGHPVGGKDLDPEAERLLSQHFAETEGSDFVFVTKYPRAARPFYAHPELNEDGSVNGEVTRGFDLLFRGIEITSGGQRIHDYGMLMDSIAAYKLKPESLEGYTEVFKYGMPPHGGFAIGAERLTAKLLGIANVRYARAFPRDRHRLTP

Gene
aspS2
Protein
Aspartate--tRNA(Asp/Asn) ligase
Organism
Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)
Length
422 amino acids
Function
Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn) with similar efficiencies. Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn).
Similarity
Belongs to the class-II aminoacyl-tRNA synthetase family. Type 2 subfamily.
Mass
48.329 kDa
Sequence
MRVLVRDLKAHVGQEVELLGFLHWRRDLGRIQFLLLRDRSGVVQVVTGGLKLPLPESALRVRGLVVENAKAPGGLEVQAKEVEVLSPALEPTPVEIPKEEWRANPDTLLEYRYVTLRGEKARAPLKVQAALVRGFRRYLDRQDFTEIFTPKVVRAGAEGGSGLFGVDYFEKRAYLAQSPQLYKQIMVGVFERVYEVAPVWRMEEHHTSRHLNEYLSLDVEMGFIADEEDLMRLEEALLAEMLEEALNTAGDEIRLLGATWPSFPQDIPRLTHAEAKRILKEELGYPVGQDLSEEAERLLGEYAKERWGSDWLFVTRYPRSVRPFYTYPEEDGTTRSFDLLFRGLEITSGGQRIHRYEELLESLKAKGMDPEAFHGYLEVFKYGMPPHGGFAIGAERLTQKLLGLPNVRYARAFPRDRHRLTP