CPLM 1.0 - Compendium of Protein Lysine Modification
TagContent
CPLM ID CPLM-009061
UniProt Accession
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
 Isoleucine--tRNA ligase 
Protein Synonyms/Alias
 Isoleucyl-tRNA synthetase; IleRS 
Gene Name
 ileS 
Gene Synonyms/Alias
 TTHA1067 
Created Date
 July 27, 2013 
Organism
 Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) 
NCBI Taxa ID
 300852 
Lysine Modification
Position
Peptide
Type
References
878YRVLPNLKLLGRKYGacetylation[1]
Reference
 [1] Acetylome with structural mapping reveals the significance of lysine acetylation in Thermus thermophilus.
 Okanishi H, Kim K, Masui R, Kuramitsu S.
 J Proteome Res. 2013 Aug 1;. [PMID: 23901841
Functional Description
 Catalyzes the attachment of isoleucine to tRNA(Ile). As IleRS can inadvertently accommodate and process structurally similar amino acids such as valine, to avoid such errors it has two additional distinct tRNA(Ile)-dependent editing activities. One activity is designated as 'pretransfer' editing and involves the hydrolysis of activated Val-AMP. The other activity is designated 'posttransfer' editing and involves deacylation of mischarged Val-tRNA(Ile) (By similarity). 
Sequence Annotation
 MOTIF 47 57 "HIGH" region.
 MOTIF 591 595 "KMSKS" region.
 METAL 181 181 Zinc 1.
 METAL 184 184 Zinc 1.
 METAL 389 389 Zinc 1.
 METAL 392 392 Zinc 1.
 METAL 461 461 Zinc 2.
 METAL 464 464 Zinc 2.
 METAL 502 502 Zinc 2.
 METAL 504 504 Zinc 2.
 BINDING 57 57 Aminoacyl-adenylate.
 BINDING 319 319 Valine.
 BINDING 328 328 Valine.
 BINDING 550 550 Aminoacyl-adenylate.
 BINDING 553 553 Aminoacyl-adenylate.
 BINDING 554 554 Aminoacyl-adenylate.
 BINDING 581 581 Aminoacyl-adenylate.
 BINDING 594 594 ATP (By similarity).  
Keyword
 3D-structure; Aminoacyl-tRNA synthetase; ATP-binding; Complete proteome; Cytoplasm; Ligase; Metal-binding; Nucleotide-binding; Protein biosynthesis; Reference proteome; Zinc. 
Sequence Source
 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 
Protein Length
 1043 AA 
Protein Sequence
MFKEVGEPNF PKLEEEVLAF WKREKIFQKS VENRKGGPRY TVYEGPPTAN GLPHVGHAQA 60
RSYKDLFPRY KTMRGYYAPR RAGWDTHGLP VELEVEKKLG LKSKREIEAY GIERFNQACR 120
ESVFTYEKEW EAFTERIAYW VDLENAYATL EPTYIESIWW SLKNLFDRGL LYRDHKVVPY 180
CPRCGTPLSS HEVALGYKEI QDPSVYVRFP LKEPKKLGLE KASLLIWTTT PWTLPGNVAA 240
AVHPEYTYAA FQVGDEALIL EEGLGRKLLG EGTPVLKTFP GKALEGLPYT PPYPQALEKG 300
YFVVLADYVS QEDGTGIVHQ APAFGAEDLE TARVYGLPLL KTVDEEGKLL VEPFKGLYFR 360
EANRAILRDL RGRGLLFKEE SYLHSYPHCW RCSTPLMYYA TESWFIKNTL FKDELIRKNQ 420
EIHWVPPHIK EGRYGEWLKN LVDWALSRNR YWGTPLPIWV CQACGKEEAI GSFQELKARA 480
TKPLPEPFDP HRPYVDQVEL ACACGGTMRR VPYVIDVWYD SGAMPFASLH YPFEHEEVFR 540
ESFPADFIAE GIDQTRGWFN SLHQLGVMLF GSIAFKNVIC HGLILDEKGQ KMSKSKGNVV 600
DPWDIIREFG ADALRWYIYV SAPPEADRRF GPNLVRETVR DYFLTLWNVY SFFVTYANLD 660
RPDLKNPPPP EKRPEMDRWL LARMQDLIQR VTEALEAYDP TTSARALRDF VVEDLSQWYV 720
RRNRRRFWKN EDALDREAAY ATLYEALVLV ATLAAPFTPF LAEVLWQNLV RSVRPEAKES 780
VHLADWPEAD PALADEALVA QMRAVLKVVD LARAARAKSG VKTRTPLPLL LVTAPTALER 840
EGLKRFAHEI AEELNVKEVR VLEPGEEILS YRVLPNLKLL GRKYGKLVPK IREALQRERE 900
RAAALALKGE AIPLEVEGEA LTLLPEEVLL EAEAPKGYQA LEKDGYVAAL KVEVTEALRM 960
EGLARDLIRL LQQARKDMGL KVSDRIRVGY EAEGPYLEAL KRHGPWIAEE VLATAFGEGL 1020
FGGFEARVED EEGKAVFHLA RAE 1043 
Gene Ontology
 GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
 GO:0002161; F:aminoacyl-tRNA editing activity; IEA:InterPro.
 GO:0005524; F:ATP binding; IEA:HAMAP.
 GO:0004822; F:isoleucine-tRNA ligase activity; IEA:HAMAP.
 GO:0008270; F:zinc ion binding; IEA:HAMAP.
 GO:0006428; P:isoleucyl-tRNA aminoacylation; IEA:HAMAP.
 GO:0006450; P:regulation of translational fidelity; IEA:GOC. 
Interpro
 IPR001412; aa-tRNA-synth_I_CS.
 IPR002300; aa-tRNA-synth_Ia.
 IPR002301; Ile-tRNA-ligase.
 IPR023586; Ile-tRNA-ligase_type2.
 IPR014729; Rossmann-like_a/b/a_fold.
 IPR009080; tRNAsynth_1a_anticodon-bd.
 IPR013155; V/L/I-tRNA-synth_anticodon-bd.
 IPR009008; Val/Leu/Ile-tRNA-synth_edit. 
Pfam
 PF08264; Anticodon_1
 PF00133; tRNA-synt_1 
SMART
  
PROSITE
 PS00178; AA_TRNA_LIGASE_I 
PRINTS
 PR00984; TRNASYNTHILE.