Reviewed, UniProtKB/Swiss-Prot Q9NSE4 (SYIM_HUMAN)

Names and origin

Protein names

Recommended name:
    Isoleucyl-tRNA synthetase, mitochondrial
    EC=6.1.1.5
Alternative name(s):
    Isoleucine--tRNA ligase
      Short name=IleRS

Gene names

Name:

IARS2

Organism

Homo sapiens (Human) [Complete proteome]

Taxonomic identifier

9606 [NCBI]

Taxonomic lineage

Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo

Protein attributes

Sequence length	1012 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at protein level.

General annotation (Comments)

Catalytic activity	ATP + L-isoleucine + tRNA(Ile) = AMP + diphosphate + L-isoleucyl-tRNA(Ile).
Subcellular location	Mitochondrion matrix By similarity.
Sequence similarities	Belongs to the class-I aminoacyl-tRNA synthetase family.
Sequence caution	The sequence BAA91544.1 differs from that shown. Reason: Frameshift at position 879.

Ontologies

Keywords
Biological process	Protein biosynthesis
Cellular component	Mitochondrion
Coding sequence diversity	Polymorphism
Domain	Transit peptide
Ligand	ATP-binding Nucleotide-binding
Molecular function	Aminoacyl-tRNA synthetase Ligase
PTM	Acetylation Phosphoprotein
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	isoleucyl-tRNA aminoacylation Inferred from electronic annotation. Source: InterPro
Cellular component	mitochondrial matrix Inferred from Experiment. Source: Reactome
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW isoleucine-tRNA ligase activity Inferred from Experiment. Source: Reactome zinc ion binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Transit peptide	1 – 48	48	Mitochondrion Potential
	Chain	49 – 1012	964	Isoleucyl-tRNA synthetase, mitochondrial		PRO_0000233335
Regions
	Motif	116 – 126	11	"HIGH" region By similarity
	Motif	664 – 668	5	"KMSKS" region By similarity
Sites
	Binding site	667	1	ATP By similarity
Amino acid modifications
	Modified residue	186	1	Phosphoserine Ref.6
	Modified residue	189	1	N6-acetyllysine Ref.8
	Modified residue	233	1	N6-acetyllysine Ref.8
	Modified residue	241	1	N6-acetyllysine Ref.8
	Modified residue	775	1	N6-acetyllysine Ref.8
	Modified residue	781	1	N6-acetyllysine Ref.8
Natural variations
	Natural variant	14	1	A → V: dbSNP rs2577154.		VAR_059862
	Natural variant	522	1	I → V: dbSNP rs11800305.		VAR_034526
Experimental info
	Sequence conflict	647	1	P → L in BAB14164. Ref.5
	Sequence conflict	907	1	I → T in BAB14164. Ref.5

Sequences

	Sequence		Length	Mass (Da)
	Q9NSE4-1 [UniParc]. Last modified May 2, 2006. Version 2. Checksum: 7AAAC0C9DAD7A8C7	FASTA	1,012	113,792
	10 20 30 40 50 60 MRWGLRPRGP GAAALATARS LWGTPRLPCS PGWQGATKRL LVRSVSGASN HQPNSNSGRY 70 80 90 100 110 120 RDTVLLPQTS FPMKLLGRQQ PDTELEIQQK CGFSELYSWQ RERKVKTEFC LHDGPPYANG 130 140 150 160 170 180 DPHVGHALNK ILKDIANRFH MMNGSKIHFV PGWDCHGLPI EIKVLSELGR EAQNLSAMEI 190 200 210 220 230 240 RKKARSFAKA AIEKQKSAFI RWGIMADWNN CYYTFDGKYE AKQLRTFYQM YDKGLVYRSY 250 260 270 280 290 300 KPVFWSPSSR TALAEAELEY NPEHVSRSIY VKFPLLKPSP KLASLIDGSS PVSILVWTTQ 310 320 330 340 350 360 PWTIPANEAV CYMPESKYAV VKCSKSGDLY VLAADKVASV ASTLETTFET ISTLSGVDLE 370 380 390 400 410 420 NGTCSHPLIP DKASPLLPAN HVTMAKGTGL VHTAPAHGME DYGVASQHNL PMDCLVDEDG 430 440 450 460 470 480 VFTDVAGPEL QNKAVLEEGT DVVIKMLQTA KNLLKEEKLV HSYPYDWRTK KPVVIRASKQ 490 500 510 520 530 540 WFINITDIKT AAKELLKKVK FIPGSALNGM VEMMDRRPYW CISRQRVWGV PIPVFHHKTK 550 560 570 580 590 600 DEYLINSQTT EHIVKLVEQH GSDIWWTLPP EQLLPKEVLS EVGGPDALEY VPGQDILDIW 610 620 630 640 650 660 FDSGTSWSYV LPGPDQRADL YLEGKDQLGG WFQSSLLTSV AARKRAPYKT VIVHGFTLGE 670 680 690 700 710 720 KGEKMSKSLG NVIHPDVVVN GGQDQSKEPP YGADVLRWWV ADSNVFTEVA IGPSVLNAAR 730 740 750 760 770 780 DDISKLRNTL RFLLGNVADF NPETDSIPVN DMYVIDQYML HLLQDLANKI TELYKQYDFG 790 800 810 820 830 840 KVVRLLRTFY TRELSNFYFS IIKDRLYCEK ENDPKRRSCQ TALVEILDVI VRSFAPILPH 850 860 870 880 890 900 LAEEVFQHIP YIKEPKSVFR TGWISTSSIW KKPGLEEAVE SACAMRDSFL GSIPGKNAAE 910 920 930 940 950 960 YKVITVIEPG LLFEIIEMLQ SEETSSTSQL NELMMASEST LLAQEPREMT ADVIELKGKF 970 980 990 1000 1010 LINLEGGDIR EESSYKVIVM PTTKEKCPRC WKYTAESSDT LCPRCAEVVS GK

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Cloning and characterization of human mitochondrial isoleucine tRNA synthetase gene." Shan Y.X., Guo Z.K., Huang C.Q., Ye G.M., Tang W.W., Yu L. Submitted (APR-2003) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA].
[2]	"The DNA sequence and biological annotation of human chromosome 1." Gregory S.G., Barlow K.F., McLay K.E., Kaul R., Swarbreck D., Dunham A., Scott C.E., Howe K.L., Woodfine K., Spencer C.C.A., Jones M.C., Gillson C., Searle S., Zhou Y., Kokocinski F., McDonald L., Evans R., Phillips K. , Atkinson A., Cooper R., Jones C., Hall R.E., Andrews T.D., Lloyd C., Ainscough R., Almeida J.P., Ambrose K.D., Anderson F., Andrew R.W., Ashwell R.I.S., Aubin K., Babbage A.K., Bagguley C.L., Bailey J., Beasley H., Bethel G., Bird C.P., Bray-Allen S., Brown J.Y., Brown A.J., Buckley D., Burton J., Bye J., Carder C., Chapman J.C., Clark S.Y., Clarke G., Clee C., Cobley V., Collier R.E., Corby N., Coville G.J., Davies J., Deadman R., Dunn M., Earthrowl M., Ellington A.G., Errington H., Frankish A., Frankland J., French L., Garner P., Garnett J., Gay L., Ghori M.R.J., Gibson R., Gilby L.M., Gillett W., Glithero R.J., Grafham D.V., Griffiths C., Griffiths-Jones S., Grocock R., Hammond S., Harrison E.S.I., Hart E., Haugen E., Heath P.D., Holmes S., Holt K., Howden P.J., Hunt A.R., Hunt S.E., Hunter G., Isherwood J., James R., Johnson C., Johnson D., Joy A., Kay M., Kershaw J.K., Kibukawa M., Kimberley A.M., King A., Knights A.J., Lad H., Laird G., Lawlor S., Leongamornlert D.A., Lloyd D.M., Loveland J., Lovell J., Lush M.J., Lyne R., Martin S., Mashreghi-Mohammadi M., Matthews L., Matthews N.S.W., McLaren S., Milne S., Mistry S., Moore M.J.F., Nickerson T., O'Dell C.N., Oliver K., Palmeiri A., Palmer S.A., Parker A., Patel D., Pearce A.V., Peck A.I., Pelan S., Phelps K., Phillimore B.J., Plumb R., Rajan J., Raymond C., Rouse G., Saenphimmachak C., Sehra H.K., Sheridan E., Shownkeen R., Sims S., Skuce C.D., Smith M., Steward C., Subramanian S., Sycamore N., Tracey A., Tromans A., Van Helmond Z., Wall M., Wallis J.M., White S., Whitehead S.L., Wilkinson J.E., Willey D.L., Williams H., Wilming L., Wray P.W., Wu Z., Coulson A., Vaudin M., Sulston J.E., Durbin R.M., Hubbard T., Wooster R., Dunham I., Carter N.P., McVean G., Ross M.T., Harrow J., Olson M.V., Beck S., Rogers J., Bentley D.R. Nature 441:315-321(2006) [PubMed: 16710414] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[3]	"Structure and evolution of two human isoleucyl-tRNA synthetases." Shiba K., Suzuki N., Shigesada K., Schimmel P., Noda T. Submitted (FEB-1994) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 20-1012. Tissue: Brain.
[4]	"The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed: 15489334] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 56-1012. Tissue: Liver, Placenta and Skin.
[5]	"Complete sequencing and characterization of 21,243 full-length human cDNAs." Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S. , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S. Nat. Genet. 36:40-45(2004) [PubMed: 14702039] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 142-1012.
[6]	"Global, in vivo, and site-specific phosphorylation dynamics in signaling networks." Olsen J.V., Blagoev B., Gnad F., Macek B., Kumar C., Mortensen P., Mann M. Cell 127:635-648(2006) [PubMed: 17081983] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-186, MASS SPECTROMETRY. Tissue: Epithelium.
[7]	Colinge J., Superti-Furga G., Bennett K.L. Submitted (OCT-2008) to UniProtKB Cited for: IDENTIFICATION [LARGE SCALE ANALYSIS], MASS SPECTROMETRY.
[8]	"Lysine acetylation targets protein complexes and co-regulates major cellular functions." Choudhary C., Kumar C., Gnad F., Nielsen M.L., Rehman M., Walther T., Olsen J.V., Mann M. Science 325:834-840(2009) [PubMed: 19608861] [Abstract] Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-189; LYS-233; LYS-241; LYS-775 AND LYS-781, MASS SPECTROMETRY.
+	Additional computationally mapped references.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AY267462 mRNA. Translation: AAP94033.1. AC103590 Genomic DNA. No translation available. D28500 mRNA. Translation: BAA95147.1. BC010218 mRNA. Translation: AAH10218.2. BC040376 mRNA. Translation: AAH40376.2. BC047880 mRNA. Translation: AAH47880.3. AK001188 mRNA. Translation: BAA91544.1. Frameshift. AK022665 mRNA. Translation: BAB14164.1. Different initiation.
IPI	IPI00017283.
RefSeq	NP_060530.3.
UniGene	Hs.262823
3D structure databases
HSSP	HSSP built from PDB template 1FFY based on UniProtKB P41972.
ModBase	Search...
Protein-protein interaction databases
IntAct	Q9NSE4. 2 interactions.
STRING	Q9NSE4.
PTM databases
PhosphoSite	Q9NSE4.
Proteomic databases
PRIDE	Q9NSE4.
Genome annotation databases
Ensembl	ENST00000302637; ENSP00000303279; ENSG00000067704; Homo sapiens. [Genome view] ENST00000366922; ENSP00000355889; ENSG00000067704; Homo sapiens. [Genome view]
GeneID	55699.
KEGG	hsa:55699.
NMPDR	fig|9606.3.peg.3090.
UCSC	uc001hmc.1. human.
Organism-specific databases
CTD	55699.
GeneCards	GC01P218334.
HGNC	HGNC:29685. IARS2.
HPA	HPA024212. HPA024594. HPA024596.
PharmGKB	PA142671670.
GenAtlas	Search...
Phylogenomic databases
HOGENOM	Q9NSE4.
HOVERGEN	Q9NSE4.
OMA	FPMRGNL.
Enzyme and pathway databases
BRENDA	6.1.1.5. 247.
Reactome	REACT_71. Gene Expression.
Gene expression databases
ArrayExpress	Q9NSE4.
Bgee	Q9NSE4.
CleanEx	HS_IARS2.
Genevestigator	Q9NSE4.
GermOnline	ENSG00000067704. Homo sapiens.
Family and domain databases
InterPro	IPR001412. aa-tRNA-synth_I_CS. IPR002300. aa-tRNA-synth_Ia. IPR010663. DNA_glyclase/IsotRNA_synth_Znf. IPR002301. Ile-tRNA-synt_Ia. IPR015905. Ile-tRNA-synt_Ia_N. IPR018353. Isoleucyl-tRNA_synthetase. IPR014729. Rossmann-like_a/b/a_fold. IPR013155. V/L/I-tRNA-synth_anticodon-bd. [Graphical view]
Gene3D	G3DSA:3.40.50.620. Rossmann-like_a/b/a_fold. 1 hit.
PANTHER	PTHR11946:SF9. Ile-tRNA-synt_Ia. 1 hit.
Pfam	PF08264. Anticodon_1. 1 hit. PF00133. tRNA-synt_1. 1 hit. PF06827. zf-FPG_IleRS. 1 hit. [Graphical view]
PRINTS	PR00984. TRNASYNTHILE.
TIGRFAMs	TIGR00392. ileS. 1 hit.
PROSITE	PS00178. AA_TRNA_LIGASE_I. 1 hit. [Graphical view]
ProtoNet	Search...
Other Resources
DrugBank	DB00167. L-Isoleucine.
NextBio	60534.

Entry information

Entry name

SYIM_HUMAN

Accession

Primary (citable) accession number: Q9NSE4
Secondary accession number(s): Q1M2P9 , Q6PI85, Q7L439, Q86WU9, Q96D91, Q9H9Q8, Q9NW42

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 2, 2006
Last sequence update:	May 2, 2006
Last modified:	November 3, 2009
This is version 59 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HPI (Human Proteome Initiative)

Disclaimer

Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.