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Q6M056

- KAE1B_METMP

UniProt

Q6M056 - KAE1B_METMP

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Protein

Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis protein

Gene

MMP0415

Organism
Methanococcus maripaludis (strain S2 / LL)
Status
Reviewed - Annotation score: 4 out of 5- Protein inferred from homologyi

Functioni

Required for the formation of a threonylcarbamoyl group on adenosine at position 37 (t6A37) in tRNAs that read codons beginning with adenine. Is a component of the KEOPS complex that is probably involved in the transfer of the threonylcarbamoyl moiety of threonylcarbamoyl-AMP (TC-AMP) to the N6 group of A37. The Kae1 domain likely plays a direct catalytic role in this reaction. The Bud32 domain probably displays kinase activity that regulates Kae1 function.UniRule annotation

Catalytic activityi

ATP + a protein = ADP + a phosphoprotein.UniRule annotation
L-threonylcarbamoyladenylate + adenine(37) in tRNA = AMP + N(6)-L-threonylcarbamoyladenine(37) in tRNA.UniRule annotation

Cofactori

Fe2+UniRule annotationNote: Binds 1 Fe(2+) ion per subunit.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi113 – 1131IronUniRule annotation
Metal bindingi117 – 1171IronUniRule annotation
Metal bindingi134 – 1341IronUniRule annotation
Binding sitei166 – 1661Threonylcarbamoyl-AMPUniRule annotation
Binding sitei179 – 1791Threonylcarbamoyl-AMP; via amide nitrogenUniRule annotation
Binding sitei183 – 1831Threonylcarbamoyl-AMPUniRule annotation
Binding sitei263 – 2631Threonylcarbamoyl-AMPUniRule annotation
Metal bindingi291 – 2911IronUniRule annotation
Binding sitei374 – 3741ATPUniRule annotation
Active sitei466 – 4661Proton acceptor; for kinase activityUniRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi353 – 3619ATPUniRule annotation

GO - Molecular functioni

  1. ATP binding Source: UniProtKB-HAMAP
  2. iron ion binding Source: UniProtKB-HAMAP
  3. metalloendopeptidase activity Source: InterPro
  4. protein serine/threonine/tyrosine kinase activity Source: UniProtKB-HAMAP
  5. protein serine/threonine kinase activity Source: UniProtKB-KW
  6. transferase activity, transferring acyl groups other than amino-acyl groups Source: UniProtKB-HAMAP
  7. zinc ion binding Source: InterPro

GO - Biological processi

  1. threonylcarbamoyladenosine biosynthetic process Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Acyltransferase, Kinase, Serine/threonine-protein kinase, Transferase

Keywords - Biological processi

tRNA processing

Keywords - Ligandi

ATP-binding, Iron, Metal-binding, Nucleotide-binding

Enzyme and pathway databases

BioCyciMMAR267377:GJ77-442-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis proteinUniRule annotation
Including the following 2 domains:
tRNA N6-adenosine threonylcarbamoyltransferaseUniRule annotation (EC:2.6.99.4UniRule annotation)
Alternative name(s):
N6-L-threonylcarbamoyladenine synthase
Short name:
t(6)A synthase
t(6)A37 threonylcarbamoyladenosine biosynthesis protein Kae1UniRule annotation
tRNA threonylcarbamoyladenosine biosynthesis protein Kae1UniRule annotation
Serine/threonine-protein kinase Bud32UniRule annotation (EC:2.7.11.1UniRule annotation)
Gene namesi
Ordered Locus Names:MMP0415
OrganismiMethanococcus maripaludis (strain S2 / LL)
Taxonomic identifieri267377 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaMethanococciMethanococcalesMethanococcaceaeMethanococcus
ProteomesiUP000000590: Chromosome

Subcellular locationi

Cytoplasm UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 548548Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis proteinPRO_0000303651Add
BLAST

Interactioni

Subunit structurei

Component of the KEOPS complex that consists of Kae1, Bud32, Cgi121 and Pcc1; the whole complex dimerizes.UniRule annotation

Protein-protein interaction databases

STRINGi267377.MMP0415.

Structurei

3D structure databases

ProteinModelPortaliQ6M056.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini347 – 548202Protein kinaseUniRule annotationAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 330330Kae1Add
BLAST
Regioni134 – 1385Threonylcarbamoyl-AMP bindingUniRule annotation

Sequence similaritiesi

In the N-terminal section; belongs to the KAE1 / TsaD family.UniRule annotation
In the C-terminal section; belongs to the protein kinase superfamily. Tyr protein kinase family. BUD32 subfamily.UniRule annotation
Contains 1 protein kinase domain.UniRule annotation

Phylogenomic databases

eggNOGiCOG0533.
HOGENOMiHOG000109569.
KOiK15904.
OMAiRDNAGMI.

Family and domain databases

HAMAPiMF_01447. Kae1_Bud32_arch.
InterProiIPR022495. Bud32.
IPR000905. Gcp-like_dom.
IPR022449. Kae1.
IPR017861. KAE1/YgjD.
IPR011009. Kinase-like_dom.
IPR018934. RIO-like_kinase.
IPR009220. tRNA_threonyl_synthase/kinase.
IPR008266. Tyr_kinase_AS.
[Graphical view]
PfamiPF00814. Peptidase_M22. 1 hit.
PF01163. RIO1. 1 hit.
[Graphical view]
PIRSFiPIRSF036401. Gcp_STYKS. 1 hit.
PRINTSiPR00789. OSIALOPTASE.
SUPFAMiSSF56112. SSF56112. 1 hit.
TIGRFAMsiTIGR03724. arch_bud32. 1 hit.
TIGR03722. arch_KAE1. 1 hit.
TIGR00329. gcp_kae1. 1 hit.
PROSITEiPS00109. PROTEIN_KINASE_TYR. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q6M056-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MDNSKDDLIC IGFEGTAEKS GVGIITSKGE VLFNKTIIYT PPVQGIHPRE
60 70 80 90 100
AADHHAETFV KLLKEALNEV PLEKIDLVSF SLGPGLGPSL RVTATTARAL
110 120 130 140 150
SLSINKPIIG VNHCIGHVEI GKLTTDAVDP LTLYVSGGNT QVLAYTGKKY
160 170 180 190 200
RVIGETLDIA IGNCLDQFAR HCNLPHPGGV YVEKFAKDGN KFIKLPYTVK
210 220 230 240 250
GMDLSLSGLL TSAMKKYDSK ERIEDVCYSL QETSFSMLTE ITERALAHTN
260 270 280 290 300
KAEVMLVGGV AANNRLKEML KVMCEEQNVD FYVPEKQFCG DNGAMIAWLG
310 320 330 340 350
ILQYLNGKRM DLKDTKPISN YRSDMVEVNW IHDESKNLND GNIKSRKIPK
360 370 380 390 400
HLIGKGAEAD ISKGRYLEFE SITKERVKKG YRILKLDELI RTRRTVKEAR
410 420 430 440 450
FLAAVKECGI HAPSIYDIDK ENKKIIMGYI HGKIAKDEIE EGNIEFCKSL
460 470 480 490 500
GETIGKMHGS GIVHNDLTTS NFIISKNPYI IDFGLGKYSD LIEDKAIDLI
510 520 530 540
VLKKSIMSIH YDKFDLVWNK IIDGYKTYEL AESVLECIKE VEKRARYL
Length:548
Mass (Da):61,248
Last modified:July 5, 2004 - v1
Checksum:iF3EB6F358157768B
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BX950229 Genomic DNA. Translation: CAF29971.1.
RefSeqiNP_987535.1. NC_005791.1.

Genome annotation databases

EnsemblBacteriaiCAF29971; CAF29971; MMP0415.
GeneIDi2762045.
KEGGimmp:MMP0415.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BX950229 Genomic DNA. Translation: CAF29971.1 .
RefSeqi NP_987535.1. NC_005791.1.

3D structure databases

ProteinModelPortali Q6M056.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 267377.MMP0415.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAF29971 ; CAF29971 ; MMP0415 .
GeneIDi 2762045.
KEGGi mmp:MMP0415.

Phylogenomic databases

eggNOGi COG0533.
HOGENOMi HOG000109569.
KOi K15904.
OMAi RDNAGMI.

Enzyme and pathway databases

BioCyci MMAR267377:GJ77-442-MONOMER.

Family and domain databases

HAMAPi MF_01447. Kae1_Bud32_arch.
InterProi IPR022495. Bud32.
IPR000905. Gcp-like_dom.
IPR022449. Kae1.
IPR017861. KAE1/YgjD.
IPR011009. Kinase-like_dom.
IPR018934. RIO-like_kinase.
IPR009220. tRNA_threonyl_synthase/kinase.
IPR008266. Tyr_kinase_AS.
[Graphical view ]
Pfami PF00814. Peptidase_M22. 1 hit.
PF01163. RIO1. 1 hit.
[Graphical view ]
PIRSFi PIRSF036401. Gcp_STYKS. 1 hit.
PRINTSi PR00789. OSIALOPTASE.
SUPFAMi SSF56112. SSF56112. 1 hit.
TIGRFAMsi TIGR03724. arch_bud32. 1 hit.
TIGR03722. arch_KAE1. 1 hit.
TIGR00329. gcp_kae1. 1 hit.
PROSITEi PS00109. PROTEIN_KINASE_TYR. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: S2 / LL.

Entry informationi

Entry nameiKAE1B_METMP
AccessioniPrimary (citable) accession number: Q6M056
Entry historyi
Integrated into UniProtKB/Swiss-Prot: September 11, 2007
Last sequence update: July 5, 2004
Last modified: November 26, 2014
This is version 88 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Multifunctional enzyme, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3