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ALAT2_ARATH
ID   ALAT2_ARATH             Reviewed;         540 AA.
AC   Q9LDV4; F4IDA2; F4IDA4; Q94C83; Q9C7S4;
DT   21-MAR-2012, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 128.
DE   RecName: Full=Alanine aminotransferase 2, mitochondrial;
DE            Short=AtAlaAT2;
DE            Short=AtAlaATm;
DE            EC=2.6.1.2;
DE   AltName: Full=Alanine-2-oxoglutarate aminotransferase 3;
DE            EC=2.6.1.-;
DE   Flags: Precursor;
GN   Name=ALAAT2; Synonyms=AOAT3; OrderedLocusNames=At1g72330;
GN   ORFNames=T10D10.20, T9N14.10;
OS   Arabidopsis thaliana (Mouse-ear cress).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis.
OX   NCBI_TaxID=3702;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1).
RC   STRAIN=cv. C24;
RA   Ismond K.P., Dennis E.S., Dolferus R.;
RT   "Cloning and characterization of Arabidopsis alanine aminotransferase
RT   genes.";
RL   Submitted (JUN-2000) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Columbia;
RX   PubMed=11130712; DOI=10.1038/35048500;
RA   Theologis A., Ecker J.R., Palm C.J., Federspiel N.A., Kaul S., White O.,
RA   Alonso J., Altafi H., Araujo R., Bowman C.L., Brooks S.Y., Buehler E.,
RA   Chan A., Chao Q., Chen H., Cheuk R.F., Chin C.W., Chung M.K., Conn L.,
RA   Conway A.B., Conway A.R., Creasy T.H., Dewar K., Dunn P., Etgu P.,
RA   Feldblyum T.V., Feng J.-D., Fong B., Fujii C.Y., Gill J.E., Goldsmith A.D.,
RA   Haas B., Hansen N.F., Hughes B., Huizar L., Hunter J.L., Jenkins J.,
RA   Johnson-Hopson C., Khan S., Khaykin E., Kim C.J., Koo H.L.,
RA   Kremenetskaia I., Kurtz D.B., Kwan A., Lam B., Langin-Hooper S., Lee A.,
RA   Lee J.M., Lenz C.A., Li J.H., Li Y.-P., Lin X., Liu S.X., Liu Z.A.,
RA   Luros J.S., Maiti R., Marziali A., Militscher J., Miranda M., Nguyen M.,
RA   Nierman W.C., Osborne B.I., Pai G., Peterson J., Pham P.K., Rizzo M.,
RA   Rooney T., Rowley D., Sakano H., Salzberg S.L., Schwartz J.R., Shinn P.,
RA   Southwick A.M., Sun H., Tallon L.J., Tambunga G., Toriumi M.J., Town C.D.,
RA   Utterback T., Van Aken S., Vaysberg M., Vysotskaia V.S., Walker M., Wu D.,
RA   Yu G., Fraser C.M., Venter J.C., Davis R.W.;
RT   "Sequence and analysis of chromosome 1 of the plant Arabidopsis thaliana.";
RL   Nature 408:816-820(2000).
RN   [3]
RP   GENOME REANNOTATION.
RC   STRAIN=cv. Columbia;
RX   PubMed=27862469; DOI=10.1111/tpj.13415;
RA   Cheng C.Y., Krishnakumar V., Chan A.P., Thibaud-Nissen F., Schobel S.,
RA   Town C.D.;
RT   "Araport11: a complete reannotation of the Arabidopsis thaliana reference
RT   genome.";
RL   Plant J. 89:789-804(2017).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 9-540 (ISOFORM 1).
RC   STRAIN=cv. Columbia;
RX   PubMed=14593172; DOI=10.1126/science.1088305;
RA   Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., Southwick A.M.,
RA   Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., Karlin-Newmann G.,
RA   Liu S.X., Lam B., Sakano H., Wu T., Yu G., Miranda M., Quach H.L.,
RA   Tripp M., Chang C.H., Lee J.M., Toriumi M.J., Chan M.M., Tang C.C.,
RA   Onodera C.S., Deng J.M., Akiyama K., Ansari Y., Arakawa T., Banh J.,
RA   Banno F., Bowser L., Brooks S.Y., Carninci P., Chao Q., Choy N., Enju A.,
RA   Goldsmith A.D., Gurjal M., Hansen N.F., Hayashizaki Y., Johnson-Hopson C.,
RA   Hsuan V.W., Iida K., Karnes M., Khan S., Koesema E., Ishida J., Jiang P.X.,
RA   Jones T., Kawai J., Kamiya A., Meyers C., Nakajima M., Narusaka M.,
RA   Seki M., Sakurai T., Satou M., Tamse R., Vaysberg M., Wallender E.K.,
RA   Wong C., Yamamura Y., Yuan S., Shinozaki K., Davis R.W., Theologis A.,
RA   Ecker J.R.;
RT   "Empirical analysis of transcriptional activity in the Arabidopsis
RT   genome.";
RL   Science 302:842-846(2003).
RN   [5]
RP   TISSUE SPECIFICITY, GENE FAMILY, AND NOMENCLATURE.
RX   PubMed=12631323; DOI=10.1046/j.1365-313x.2003.01688.x;
RA   Igarashi D., Miwa T., Seki M., Kobayashi M., Kato T., Tabata S.,
RA   Shinozaki K., Ohsumi C.;
RT   "Identification of photorespiratory glutamate:glyoxylate aminotransferase
RT   (GGAT) gene in Arabidopsis.";
RL   Plant J. 33:975-987(2003).
RN   [6]
RP   TISSUE SPECIFICITY, AND INDUCTION BY HYPOXIC STRESS.
RX   PubMed=17319845; DOI=10.1111/j.1365-313x.2006.03023.x;
RA   Miyashita Y., Dolferus R., Ismond K.P., Good A.G.;
RT   "Alanine aminotransferase catalyses the breakdown of alanine after hypoxia
RT   in Arabidopsis thaliana.";
RL   Plant J. 49:1108-1121(2007).
RN   [7]
RP   IDENTIFICATION BY MASS SPECTROMETRY, AND CLEAVAGE OF TRANSIT PEPTIDE AFTER
RP   PHE-46.
RX   PubMed=25732537; DOI=10.1093/jxb/erv064;
RA   Carrie C., Venne A.S., Zahedi R.P., Soll J.;
RT   "Identification of cleavage sites and substrate proteins for two
RT   mitochondrial intermediate peptidases in Arabidopsis thaliana.";
RL   J. Exp. Bot. 66:2691-2708(2015).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-oxoglutarate + L-alanine = L-glutamate + pyruvate;
CC         Xref=Rhea:RHEA:19453, ChEBI:CHEBI:15361, ChEBI:CHEBI:16810,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:57972; EC=2.6.1.2;
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000250};
CC   -!- PATHWAY: Photosynthesis; C4 acid pathway.
CC   -!- PATHWAY: Amino-acid degradation; L-alanine degradation via transaminase
CC       pathway; pyruvate from L-alanine: step 1/1.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000305|PubMed:25732537}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=2;
CC       Name=1;
CC         IsoId=Q9LDV4-1; Sequence=Displayed;
CC       Name=2;
CC         IsoId=Q9LDV4-2; Sequence=VSP_042467;
CC   -!- TISSUE SPECIFICITY: Expressed in shoots, essentially in leaves and
CC       flowers, mostly in vascular tissues. Also detected in stems and roots.
CC       {ECO:0000269|PubMed:12631323, ECO:0000269|PubMed:17319845}.
CC   -!- INDUCTION: Rapidly induced upon low-oxygen stress in roots and shoots.
CC       {ECO:0000269|PubMed:17319845}.
CC   -!- PTM: The N-terminus is blocked. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the class-I pyridoxal-phosphate-dependent
CC       aminotransferase family. Alanine aminotransferase subfamily.
CC       {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAG51787.1; Type=Erroneous gene model prediction; Evidence={ECO:0000305};
CC       Sequence=AEE35307.1; Type=Erroneous gene model prediction; Evidence={ECO:0000305};
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DR   EMBL; AF275371; AAF82781.1; -; mRNA.
DR   EMBL; AC016529; AAG52580.1; -; Genomic_DNA.
DR   EMBL; AC067754; AAG51787.1; ALT_SEQ; Genomic_DNA.
DR   EMBL; CP002684; AEE35305.1; -; Genomic_DNA.
DR   EMBL; CP002684; AEE35306.1; -; Genomic_DNA.
DR   EMBL; CP002684; AEE35307.1; ALT_SEQ; Genomic_DNA.
DR   EMBL; AY035086; AAK59591.2; -; mRNA.
DR   PIR; B96747; B96747.
DR   RefSeq; NP_001077811.1; NM_001084342.1. [Q9LDV4-2]
DR   RefSeq; NP_001185380.1; NM_001198451.1.
DR   RefSeq; NP_565040.2; NM_105892.5. [Q9LDV4-1]
DR   AlphaFoldDB; Q9LDV4; -.
DR   SMR; Q9LDV4; -.
DR   BioGRID; 28785; 13.
DR   STRING; 3702.AT1G72330.3; -.
DR   PaxDb; Q9LDV4; -.
DR   PRIDE; Q9LDV4; -.
DR   ProteomicsDB; 244868; -. [Q9LDV4-1]
DR   EnsemblPlants; AT1G72330.1; AT1G72330.1; AT1G72330. [Q9LDV4-1]
DR   EnsemblPlants; AT1G72330.2; AT1G72330.2; AT1G72330. [Q9LDV4-2]
DR   GeneID; 843565; -.
DR   Gramene; AT1G72330.1; AT1G72330.1; AT1G72330. [Q9LDV4-1]
DR   Gramene; AT1G72330.2; AT1G72330.2; AT1G72330. [Q9LDV4-2]
DR   KEGG; ath:AT1G72330; -.
DR   Araport; AT1G72330; -.
DR   eggNOG; KOG0258; Eukaryota.
DR   InParanoid; Q9LDV4; -.
DR   OMA; YGEKDVC; -.
DR   OrthoDB; 477122at2759; -.
DR   PhylomeDB; Q9LDV4; -.
DR   BRENDA; 2.6.1.2; 399.
DR   UniPathway; UPA00322; -.
DR   UniPathway; UPA00528; UER00586.
DR   PRO; PR:Q9LDV4; -.
DR   Proteomes; UP000006548; Chromosome 1.
DR   ExpressionAtlas; Q9LDV4; baseline and differential.
DR   Genevisible; Q9LDV4; AT.
DR   GO; GO:0005739; C:mitochondrion; IEA:UniProtKB-SubCell.
DR   GO; GO:0004021; F:L-alanine:2-oxoglutarate aminotransferase activity; IBA:GO_Central.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR   GO; GO:0009058; P:biosynthetic process; IEA:InterPro.
DR   GO; GO:0042853; P:L-alanine catabolic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0001666; P:response to hypoxia; IEP:UniProtKB.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   InterPro; IPR045088; ALAT1/2-like.
DR   InterPro; IPR004839; Aminotransferase_I/II.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   PANTHER; PTHR11751; PTHR11751; 1.
DR   Pfam; PF00155; Aminotran_1_2; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
PE   1: Evidence at protein level;
KW   Alternative splicing; Aminotransferase; Mitochondrion; Pyridoxal phosphate;
KW   Reference proteome; Transferase; Transit peptide.
FT   TRANSIT         1..46
FT                   /note="Mitochondrion"
FT                   /evidence="ECO:0000269|PubMed:25732537"
FT   CHAIN           47..540
FT                   /note="Alanine aminotransferase 2, mitochondrial"
FT                   /id="PRO_0000416043"
FT   REGION          11..40
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOD_RES         357
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
FT   VAR_SEQ         410..540
FT                   /note="PGDDSYDSYMAERDGILSSMAKRAKTLEDALNSLEGVTCNRAEGAMYLFPRI
FT                   NLPQKAIEAAEAEKTAPDAFYCKRLLNATGVVVVPGSGFGQVPGTWHFRCTILPQEDKI
FT                   PAIVNRLTEFHKSFMDEFRN -> KEMEFSHPWLNVQRLWKTLSTV (in isoform
FT                   2)"
FT                   /evidence="ECO:0000305"
FT                   /id="VSP_042467"
FT   CONFLICT        265
FT                   /note="K -> E (in Ref. 4; AAK59591)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   540 AA;  59511 MW;  4D1D4D4102CBD661 CRC64;
     MRRFLINQAK GLVDHSRRQH HHKSPSFLSP QPRPLASSPP ALSRFFSSTS EMSASDSTSS
     LPVTLDSINP KVLKCEYAVR GEIVNIAQKL QEDLKTNKDA YPFDEIIYCN IGNPQSLGQL
     PIKFFREVLA LCDHASLLDE SETHGLFSTD SIDRAWRILD HIPGRATGAY SHSQGIKGLR
     DVIAAGIEAR DGFPADPNDI FLTDGASPAV HMMMQLLLSS EKDGILSPIP QYPLYSASIA
     LHGGSLVPYY LDEATGWGLE ISDLKKQLEE ARSKGISVRA LVVINPGNPT GQVLAEENQR
     DIVNFCKQEG LVLLADEVYQ ENVYVPDKKF HSFKKVARSL GYGEKDISLV SFQSVSKGYY
     GECGKRGGYM EVTGFTSDVR EQIYKMASVN LCSNISGQIL ASLVMSPPKP GDDSYDSYMA
     ERDGILSSMA KRAKTLEDAL NSLEGVTCNR AEGAMYLFPR INLPQKAIEA AEAEKTAPDA
     FYCKRLLNAT GVVVVPGSGF GQVPGTWHFR CTILPQEDKI PAIVNRLTEF HKSFMDEFRN
 
 
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