LRRK1
Leucine-rich repeat serine/threonine-protein kinase 1
Also known as: FLJ23119, KIAA1790, LRRK1_HUMAN, RIPK6, ROCO1
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q38SD2
- Gene
- LRRK1
- Ensembl
- ENSG00000154237
- Chromosome
- 15
- Canonical length
- 2015 aa
- Protein class
- Disease related genes, Enzymes, Potential drug targets, Predicted intracellular proteins
- Subcellular location
- Mitochondria,Cytosol
- Quaternary structure
- Homodimer
OverviewNCBI Gene
This gene encodes a multi-domain protein that is a leucine-rich repeat kinase and a GDP/GTP binding protein. The encoded protein is thought to play a role in the regulation of bone mass. Mice lacking a similar gene showed severe osteopetrosis, increased bone mineralization and decreased bone resorption. [provided by RefSeq, Jan 2017]
Canonical amino-acid sequenceUniProt
2015 residues, UniProt reviewed canonical sequence.
>Q38SD2|LRRK1
1 MAGMSQRPPS MYWCVGPEES AVCPERAMET LNGAGDTGGK PSTRGGDPAA RSRRTEGIRA
61 AYRRGDRGGA RDLLEEACDQ CASQLEKGQL LSIPAAYGDL EMVRYLLSKR LVELPTEPTD
121 DNPAVVAAYF GHTAVVQELL ESLPGPCSPQ RLLNWMLALA CQRGHLGVVK LLVLTHGADP
181 ESYAVRKNEF PVIVRLPLYA AIKSGNEDIA IFLLRHGAYF CSYILLDSPD PSKHLLRKYF
241 IEASPLPSSY PGKTALRVKW SHLRLPWVDL DWLIDISCQI TELDLSANCL ATLPSVIPWG
301 LINLRKLNLS DNHLGELPGV QSSDEIICSR LLEIDISSNK LSHLPPGFLH LSKLQKLTAS
361 KNCLEKLFEE ENATNWIGLR KLQELDISDN KLTELPALFL HSFKSLNSLN VSRNNLKVFP
421 DPWACPLKCC KASRNALECL PDKMAVFWKN HLKDVDFSEN ALKEVPLGLF QLDALMFLRL
481 QGNQLAALPP QEKWTCRQLK TLDLSRNQLG KNEDGLKTKR IAFFTTRGRQ RSGTEAASVL
541 EFPAFLSESL EVLCLNDNHL DTVPPSVCLL KSLSELYLGN NPGLRELPPE LGQLGNLWQL
601 DTEDLTISNV PAEIQKEGPK AMLSYLRAQL RKAEKCKLMK MIIVGPPRQG KSTLLEILQT
661 GRAPQVVHGE ATIRTTKWEL QRPAGSRAKV ESVEFNVWDI GGPASMATVN QCFFTDKALY
721 VVVWNLALGE EAVANLQFWL LNIEAKAPNA VVLVVGTHLD LIEAKFRVER IATLRAYVLA
781 LCRSPSGSRA TGFPDITFKH LHEISCKSLE GQEGLRQLIF HVTCSMKDVG STIGCQRLAG
841 RLIPRSYLSL QEAVLAEQQR RSRDDDVQYL TDRQLEQLVE QTPDNDIKDY EDLQSAISFL
901 IETGTLLHFP DTSHGLRNLY FLDPIWLSEC LQRIFNIKGS RSVAKNGVIR AEDLRMLLVG
961 TGFTQQTEEQ YFQFLAKFEI ALPVANDSYL LPHLLPSKPG LDTHGMRHPT ANTIQRVFKM
1021 SFVPVGFWQR FIARMLISLA EMDLQLFENK KNTKSRNRKV TIYSFTGNQR NRCSTFRVKR
1081 NQTIYWQEGL LVTFDGGYLS VESSDVNWKK KKSGGMKIVC QSEVRDFSAM AFITDHVNSL
1141 IDQWFPALTA TESDGTPLME QYVPCPVCET AWAQHTDPSE KSEDVQYFDM EDCVLTAIER
1201 DFISCPRHPD LPVPLQELVP ELFMTDFPAR LFLENSKLEH SEDEGSVLGQ GGSGTVIYRA
1261 RYQGQPVAVK RFHIKKFKNF ANVPADTMLR HLRATDAMKN FSEFRQEASM LHALQHPCIV
1321 ALIGISIHPL CFALELAPLS SLNTVLSENA RDSSFIPLGH MLTQKIAYQI ASGLAYLHKK
1381 NIIFCDLKSD NILVWSLDVK EHINIKLSDY GISRQSFHEG ALGVEGTPGY QAPEIRPRIV
1441 YDEKVDMFSY GMVLYELLSG QRPALGHHQL QIAKKLSKGI RPVLGQPEEV QFRRLQALMM
1501 ECWDTKPEKR PLALSVVSQM KDPTFATFMY ELCCGKQTAF FSSQGQEYTV VFWDGKEESR
1561 NYTVVNTEKG LMEVQRMCCP GMKVSCQLQV QRSLWTATED QKIYIYTLKG MCPLNTPQQA
1621 LDTPAVVTCF LAVPVIKKNS YLVLAGLADG LVAVFPVVRG TPKDSCSYLC SHTANRSKFS
1681 IADEDARQNP YPVKAMEVVN SGSEVWYSNG PGLLVIDCAS LEICRRLEPY MAPSMVTSVV
1741 CSSEGRGEEV VWCLDDKANS LVMYHSTTYQ LCARYFCGVP SPLRDMFPVR PLDTEPPAAS
1801 HTANPKVPEG DSIADVSIMY SEELGTQILI HQESLTDYCS MSSYSSSPPR QAARSPSSLP
1861 SSPASSSSVP FSTDCEDSDM LHTPGAASDR SEHDLTPMDG ETFSQHLQAV KILAVRDLIW
1921 VPRRGGDVIV IGLEKDSGAQ RGRVIAVLKA RELTPHGVLV DAAVVAKDTV VCTFENENTE
1981 WCLAVWRGWG AREFDIFYQS YEELGRLEAC TRKRRLocalizationUniProt · AlphaFold · HPA
Whether an antibody against LRRK1 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Cell surface
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.29
- Highest tissue expression
- 7.5 nTPM
Expression across tissuesHPA
Tissue
- tonsil: 7.5 nTPM
- lymph node: 6.8 nTPM
- bone marrow: 6.1 nTPM
- spleen: 5.8 nTPM
- pancreas: 5.5 nTPM
- appendix: 5.4 nTPM
Single-cell type
- microglia: 644 nCPM
- plasma cells: 258 nCPM
- pdcs: 213 nCPM
- leydig cells: 200 nCPM
- cdc: 177 nCPM
- neutrophil progenitors: 147 nCPM
Immune cell
- plasmacytoid DC: 1.3 nTPM
- eosinophil: 1.2 nTPM
- memory B-cell: 1 nTPM
- naive B-cell: 0.5 nTPM
- classical monocyte: 0.4 nTPM
- myeloid DC: 0.4 nTPM
Brain region
- cerebral cortex: 25 nTPM
- white matter: 20 nTPM
- hippocampal formation: 15 nTPM
- amygdala: 14 nTPM
- basal ganglia: 14 nTPM
- spinal cord: 13 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about LRRK1.
Disease | AllUniProt
Conditions LRRK1 is implicated in, by any mechanism.
- Osteosclerotic metaphyseal dysplasia (OSMD) MIM:615198
Disease | GeneticClinVar
26 pathogenic / likely-pathogenic of 1,114 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Osteosclerotic metaphyseal dysplasia
- Ovarian serous cystadenocarcinoma
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.49
- gnomAD pLI
- 0
- gnomAD missense Z
- 2.72
- DepMap mean gene effect
- 0.03
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 5% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- bone resorption
- intracellular signal transduction
- osteoclast development
- positive regulation of canonical Wnt signaling pathway
- positive regulation of intracellular signal transduction
Molecular functions
- ATP binding
- GTP binding
- identical protein binding
- metal ion binding
- protein serine kinase activity
- protein serine/threonine kinase activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Protein kinase domain
- Leucine-rich repeat
- Ankyrin repeat
- Leucine-rich repeat, typical subtype
- Protein kinase-like domain superfamily
- Roc domain
- P-loop containing nucleoside triphosphate hydrolase
- C-terminal of Roc, COR-A domain
- Leucine-rich repeat domain superfamily
- WD40-repeat-containing domain superfamily
- Ankyrin repeat-containing domain superfamily
- C-terminal of Roc, COR-B domain
- Protein kinase domain
- Leucine Rich Repeat
- Ras of Complex, Roc, domain of DAPkinase
- C-terminal of Roc, COR-A domain
- C-terminal of Roc, COR-B domain
- Plant LRR receptor-like serine/threonine-protein kinases
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of LRRK1 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads LRRK1 as an antibody target. Whether an autoantibody or antibody against LRRK1 could matter depends on whether native LRRK1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
LRRK1 is annotated at the cell surface, where native LRRK1 is exposed to circulating antibodies and is a prime autoantibody target that could block, deplete, or overstimulate it.
Annotation status
The present source text does not explicitly label LRRK1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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