CRB2 (crumbs cell polarity complex component 2)

Gene

• Entrez ID: 286204
• Gene name: Crumbs cell polarity complex component 2
• Gene symbol: CRB2
• Synonyms: FSGS9, VMCKD
• Chromosome: 9
• Chromosome location: 9q33.3
• Summary: This gene encodes a member of a family of proteins that are components of the Crumbs cell polarity complex. In mammals, members of this family are thought to play a role in many cellular processes in early embryonic development. A similar protein in Droso

SNPs

SNP ID	Visualize variation	Clinical significance	Consequence
rs145948620	C>T	Conflicting-interpretations-of-pathogenicity	Synonymous variant, non coding transcript variant, coding sequence variant
rs147412276	G>A,C	Conflicting-interpretations-of-pathogenicity, benign	Missense variant, non coding transcript variant, coding sequence variant
rs202128397	C>T	Pathogenic, likely-pathogenic	Missense variant, non coding transcript variant, coding sequence variant
rs375072557	G>A	Pathogenic	Stop gained, non coding transcript variant, coding sequence variant
rs730880300	A>C	Likely-pathogenic, pathogenic	Missense variant, non coding transcript variant, coding sequence variant
rs730880377	C>G,T	Pathogenic	Missense variant, non coding transcript variant, coding sequence variant
rs765676223	C>A,G,T	Pathogenic-likely-pathogenic, likely-pathogenic	Synonymous variant, coding sequence variant, non coding transcript variant, missense variant
rs766470795	G>A	Likely-pathogenic	Coding sequence variant, non coding transcript variant, missense variant
rs879255250	G>A,C	Pathogenic	Coding sequence variant, missense variant, non coding transcript variant
rs879255251	GGCCCGGCGCGGCCCC>-,GGCCCGGCGCGGCCCCGGCCCGGCGCGGCCCC	Likely-pathogenic, pathogenic	Coding sequence variant, non coding transcript variant, frameshift variant
rs879255252	G>C	Pathogenic	Coding sequence variant, missense variant, non coding transcript variant
rs1064793849	CT>-	Pathogenic	Coding sequence variant, non coding transcript variant, frameshift variant
rs1417339548	->A	Likely-pathogenic	Frameshift variant, coding sequence variant, genic upstream transcript variant
rs1588200023	->CTGTCCT	Likely-pathogenic	Coding sequence variant, frameshift variant, genic upstream transcript variant, intron variant

miRNA

miRTarBase ID	miRNA	Experiments	Reference
MIRT017520	hsa-miR-335-5p	Microarray	18185580
MIRT043677	hsa-miR-342-3p	CLASH	23622248
MIRT613893	hsa-miR-8485	HITS-CLIP	23824327
MIRT613892	hsa-miR-329-3p	HITS-CLIP	23824327
MIRT613891	hsa-miR-362-3p	HITS-CLIP	23824327
MIRT613890	hsa-miR-603	HITS-CLIP	23824327
MIRT613889	hsa-miR-483-3p	HITS-CLIP	23824327
MIRT613889	hsa-miR-483-3p	HITS-CLIP	23824327
MIRT613888	hsa-miR-488-5p	HITS-CLIP	23824327
MIRT043677	hsa-miR-342-3p	HITS-CLIP	23824327
MIRT613886	hsa-miR-3941	HITS-CLIP	23824327
MIRT613887	hsa-miR-377-3p	HITS-CLIP	23824327
MIRT613885	hsa-miR-4691-5p	HITS-CLIP	23824327
MIRT613884	hsa-miR-6792-3p	HITS-CLIP	23824327
MIRT613893	hsa-miR-8485	HITS-CLIP	23824327
MIRT613892	hsa-miR-329-3p	HITS-CLIP	23824327
MIRT613891	hsa-miR-362-3p	HITS-CLIP	23824327
MIRT613890	hsa-miR-603	HITS-CLIP	23824327
MIRT613889	hsa-miR-483-3p	HITS-CLIP	23824327
MIRT613889	hsa-miR-483-3p	HITS-CLIP	23824327
MIRT613888	hsa-miR-488-5p	HITS-CLIP	23824327
MIRT043677	hsa-miR-342-3p	HITS-CLIP	23824327
MIRT613886	hsa-miR-3941	HITS-CLIP	23824327
MIRT613887	hsa-miR-377-3p	HITS-CLIP	23824327
MIRT613885	hsa-miR-4691-5p	HITS-CLIP	23824327
MIRT613884	hsa-miR-6792-3p	HITS-CLIP	23824327
MIRT908165	hsa-let-7a	CLIP-seq
MIRT908166	hsa-let-7b	CLIP-seq
MIRT908167	hsa-let-7c	CLIP-seq
MIRT908168	hsa-let-7d	CLIP-seq
MIRT908169	hsa-let-7e	CLIP-seq
MIRT908170	hsa-let-7f	CLIP-seq
MIRT908171	hsa-let-7g	CLIP-seq
MIRT908172	hsa-let-7i	CLIP-seq
MIRT908173	hsa-miR-1197	CLIP-seq
MIRT908174	hsa-miR-125a-5p	CLIP-seq
MIRT908175	hsa-miR-125b	CLIP-seq
MIRT908176	hsa-miR-1294	CLIP-seq
MIRT908177	hsa-miR-146b-3p	CLIP-seq
MIRT908178	hsa-miR-1827	CLIP-seq
MIRT908179	hsa-miR-202	CLIP-seq
MIRT908180	hsa-miR-219-1-3p	CLIP-seq
MIRT908181	hsa-miR-2392	CLIP-seq
MIRT908182	hsa-miR-2467-3p	CLIP-seq
MIRT908183	hsa-miR-2682	CLIP-seq
MIRT908184	hsa-miR-329	CLIP-seq
MIRT908185	hsa-miR-34a	CLIP-seq
MIRT908186	hsa-miR-34c-5p	CLIP-seq
MIRT908187	hsa-miR-3675-5p	CLIP-seq
MIRT908188	hsa-miR-377	CLIP-seq
MIRT908189	hsa-miR-4254	CLIP-seq
MIRT908190	hsa-miR-4290	CLIP-seq
MIRT908191	hsa-miR-4316	CLIP-seq
MIRT908192	hsa-miR-4319	CLIP-seq
MIRT908193	hsa-miR-4436a	CLIP-seq
MIRT908194	hsa-miR-4446-5p	CLIP-seq
MIRT908195	hsa-miR-4458	CLIP-seq
MIRT908196	hsa-miR-449a	CLIP-seq
MIRT908197	hsa-miR-449b	CLIP-seq
MIRT908198	hsa-miR-449c	CLIP-seq
MIRT908199	hsa-miR-4500	CLIP-seq
MIRT908200	hsa-miR-4655-3p	CLIP-seq
MIRT908201	hsa-miR-4676-5p	CLIP-seq
MIRT908202	hsa-miR-4677-3p	CLIP-seq
MIRT908203	hsa-miR-4682	CLIP-seq
MIRT908204	hsa-miR-4726-3p	CLIP-seq
MIRT908205	hsa-miR-4732-3p	CLIP-seq
MIRT908206	hsa-miR-4732-5p	CLIP-seq
MIRT908207	hsa-miR-4755-5p	CLIP-seq
MIRT908208	hsa-miR-4757-5p	CLIP-seq
MIRT908209	hsa-miR-486-3p	CLIP-seq
MIRT908210	hsa-miR-532-3p	CLIP-seq
MIRT908211	hsa-miR-571	CLIP-seq
MIRT908212	hsa-miR-575	CLIP-seq
MIRT908213	hsa-miR-662	CLIP-seq
MIRT908214	hsa-miR-665	CLIP-seq
MIRT908215	hsa-miR-670	CLIP-seq
MIRT908216	hsa-miR-940	CLIP-seq
MIRT908217	hsa-miR-98	CLIP-seq
MIRT1921376	hsa-miR-3183	CLIP-seq
MIRT1921377	hsa-miR-3909	CLIP-seq
MIRT1921378	hsa-miR-3921	CLIP-seq
MIRT1921379	hsa-miR-4653-5p	CLIP-seq
MIRT1921380	hsa-miR-4723-3p	CLIP-seq
MIRT1921376	hsa-miR-3183	CLIP-seq
MIRT908184	hsa-miR-329	CLIP-seq
MIRT908188	hsa-miR-377	CLIP-seq
MIRT1921380	hsa-miR-4723-3p	CLIP-seq
MIRT908208	hsa-miR-4757-5p	CLIP-seq
MIRT1969222	hsa-miR-617	CLIP-seq
MIRT2205213	hsa-miR-128	CLIP-seq
MIRT2205214	hsa-miR-1297	CLIP-seq
MIRT2205215	hsa-miR-140-3p	CLIP-seq
MIRT2205216	hsa-miR-149	CLIP-seq
MIRT2205217	hsa-miR-1912	CLIP-seq
MIRT2205218	hsa-miR-205	CLIP-seq
MIRT2205219	hsa-miR-214	CLIP-seq
MIRT2205220	hsa-miR-26a	CLIP-seq
MIRT2205221	hsa-miR-26b	CLIP-seq
MIRT2205222	hsa-miR-27a	CLIP-seq
MIRT2205223	hsa-miR-27b	CLIP-seq
MIRT2205224	hsa-miR-3158-3p	CLIP-seq
MIRT2205225	hsa-miR-3166	CLIP-seq
MIRT908184	hsa-miR-329	CLIP-seq
MIRT2205226	hsa-miR-3619-5p	CLIP-seq
MIRT908188	hsa-miR-377	CLIP-seq
MIRT2205227	hsa-miR-4465	CLIP-seq
MIRT2205228	hsa-miR-4721	CLIP-seq
MIRT2205229	hsa-miR-4747-5p	CLIP-seq
MIRT2205230	hsa-miR-512-5p	CLIP-seq
MIRT2205231	hsa-miR-516a-3p	CLIP-seq
MIRT2205232	hsa-miR-761	CLIP-seq
MIRT2205233	hsa-miR-922	CLIP-seq
MIRT908184	hsa-miR-329	CLIP-seq
MIRT908188	hsa-miR-377	CLIP-seq
MIRT2447570	hsa-miR-1234	CLIP-seq
MIRT2447571	hsa-miR-1254	CLIP-seq
MIRT2447572	hsa-miR-1285	CLIP-seq
MIRT2447573	hsa-miR-3116	CLIP-seq
MIRT2447574	hsa-miR-3187-5p	CLIP-seq
MIRT2447575	hsa-miR-3689d	CLIP-seq
MIRT2447576	hsa-miR-4707-5p	CLIP-seq
MIRT2447577	hsa-miR-550a	CLIP-seq
MIRT2447578	hsa-miR-612	CLIP-seq
MIRT2447579	hsa-miR-661	CLIP-seq
MIRT2508464	hsa-miR-127-5p	CLIP-seq
MIRT2508465	hsa-miR-3925-3p	CLIP-seq
MIRT2508466	hsa-miR-766	CLIP-seq

Gene ontology (GO)

GO ID	Ontology	Definition	Evidence	Reference
GO:0001707	Process	Mesoderm formation	ISS
GO:0001756	Process	Somitogenesis	ISS
GO:0001895	Process	Retina homeostasis	ISS
GO:0005509	Function	Calcium ion binding	IEA
GO:0005515	Function	Protein binding	IPI	17920587
GO:0005737	Component	Cytoplasm	IEA
GO:0005886	Component	Plasma membrane	IBA	21873635
GO:0007157	Process	Heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules	IBA	21873635
GO:0010470	Process	Regulation of gastrulation	ISS
GO:0010718	Process	Positive regulation of epithelial to mesenchymal transition	ISS
GO:0010951	Process	Negative regulation of endopeptidase activity	IMP	20299451
GO:0014028	Process	Notochord formation	ISS
GO:0016021	Component	Integral component of membrane	IEA
GO:0016324	Component	Apical plasma membrane	ISS
GO:0016327	Component	Apicolateral plasma membrane	IEA
GO:0019828	Function	Aspartic-type endopeptidase inhibitor activity	IMP	20299451
GO:0030010	Process	Establishment of cell polarity	ISS
GO:0030054	Component	Cell junction	IEA
GO:0030513	Process	Positive regulation of BMP signaling pathway	ISS
GO:0032991	Component	Protein-containing complex	IBA	21873635
GO:0032991	Component	Protein-containing complex	IDA	20299451
GO:0044877	Function	Protein-containing complex binding	IMP	20299451
GO:0045197	Process	Establishment or maintenance of epithelial cell apical/basal polarity	IBA	21873635
GO:0045199	Process	Maintenance of epithelial cell apical/basal polarity	ISS
GO:0045494	Process	Photoreceptor cell maintenance	ISS
GO:0046549	Process	Retinal cone cell development	ISS
GO:0055111	Process	Ingression involved in gastrulation with mouth forming second	ISS
GO:0070062	Component	Extracellular exosome	HDA	19056867, 23533145
GO:0072359	Process	Circulatory system development	ISS

Other IDs

• MIM: 609720
• HGNC: 18688
• e!Ensembl: ENSG00000148204

Protein

• UniProt ID: Q5IJ48
• Protein name: Protein crumbs homolog 2 (Crumbs-like protein 2)
• Protein function: Apical polarity protein that plays a central role during the epithelial-to-mesenchymal transition (EMT) at gastrulation, when newly specified mesodermal cells move inside the embryo (By similarity). Acts by promoting cell ingression, the process
• PDB: 2WO6
• Family and domains:

  Pfam

  Accession	ID	Position in sequence	Description	Type
  PF00008	EGF	112 → 142	EGF-like domain	Domain
  PF00008	EGF	150 → 180	EGF-like domain	Domain
  PF00008	EGF	188 → 219	EGF-like domain	Domain
  PF00008	EGF	227 → 257	EGF-like domain	Domain
  PF00008	EGF	324 → 354	EGF-like domain	Domain
  PF00008	EGF	362 → 392	EGF-like domain	Domain
  PF02210	Laminin_G_2	465 → 588	Laminin G domain	Domain
  PF00008	EGF	609 → 639	EGF-like domain	Domain
  PF00008	EGF	811 → 841	EGF-like domain	Domain
  PF00008	EGF	1060 → 1090	EGF-like domain	Domain
  PF12661	hEGF	1103 → 1124	Human growth factor-like EGF	Domain

• Sequence:

  MALARPGTPDPQALASVLLLLLWAPALSLLAGTVPSEPPSACASDPCAPGTECQATESGG
  YTCGPMEPRGCATQPCHHGALCVPQGPDPTGFRCYCVPGFQGPRCELDIDECASRPCHHG
  ATCRNLADRYECHCPLGYAGVTCEMEVDECASAPCLHGGSCLDGVGSFRCVCAPGYGGTR
  CQLDLDECQSQPCAHGGTCHDLVNGFRCDCAGTGYEGTHCEREVLECASAPCEHNASCLE
  GLGSFRCLCWPGYSGELCEVDEDECASSPCQHGGRCLQRSDPALYGGVQAAFPGAFSFRH
  AAGFLCHCPPGFEGADCGVEVDECASRPCLNGGHCQDLPNGFQCHCPDGYAGPTCEEDVD
  ECLSDPCLHGGTCSDTVAGYICRCPETWGGRDCSVQLTGCQGHTCPLAATCIPIFESGVH
  SYVCHCPPGTHGPFCGQNTTFSVMAGSPIQASVPAGGPLGLALRFRTTLPAGTLATRNDT
  KESLELALVAATLQATLWSYSTTVLVLRLPDLALNDGHWHQVEVVLHLATLELRLWHEGC
  PARLCVASGPVALASTASATPLPAGISSAQLGDATFAGCLQDVRVDGHLLLPEDLGENVL
  LGCERREQCRPLPCVHGGSCVDLWTHFRCDCARPHRGPTCADEIPAATFGLGGAPSSASF
  LLQELPGPNLTVSFLLRTRESAGLLLQFANDSAAGLTVFLSEGRIRAEVPGSPAVVLPGR
  WDDGLRHLVMLSFGPDQLQDLGQHVHVGGRLLAADSQPWGGPFRGCLQDLRLDGCHLPFF
  PLPLDNSSQPSELGGRQSWNLTAGCVSEDMCSPDPCFNGGTCLVTWNDFHCTCPANFTGP
  TCAQQLWCPGQPCLPPATCEEVPDGFVCVAEATFREGPPAAFSGHNASSGRLLGGLSLAF
  RTRDSEAWLLRAAAGALEGVWLAVRNGSLAGGVRGGHGLPGAVLPIPGPRVADGAWHRVR
  LAMERPAATTSRWLLWLDGAATPVALRGLASDLGFLQGPGAVRILLAENFTGCLGRVALG
  GLPLPLARPRPGAAPGAREHFASWPGTPAPILGCRGAPVCAPSPCLHDGACRDLFDAFAC
  ACGPGWEGPRCEAHVDPCHSAPCARGRCHTHPDGRFECRCPPGFGGPRCRLPVPSKECSL
  NVTCLDGSPCEGGSPAANCSCLEGLAGQRCQVPTLPCEANPCLNGGTCRAAGGVSECICN
  ARFSGQFCEVAKGLPLPLPFPLLEVAVPAACACLLLLLLGLLSGILAARKRRQSEGTYSP
  SQQEVAGARLEMDSVLKVPPEERLI

• Sequence length: 1285

Pathways

KEGG:

Hippo signaling pathway

Associated diseases

Causal
Disease name	Disease term	dbSNP ID	References
Focal segmental glomerulosclerosis	FOCAL SEGMENTAL GLOMERULOSCLEROSIS 9	rs267606877, rs267607183, rs267606878, rs267606879, rs267606880, rs121907909, rs74315343, rs121908415, rs121908416, rs121908417, rs1554181304, rs121434390, rs121434392, rs121434393, rs121434394, rs121434395, rs387906807, rs778868018, rs397517920, rs386833865, rs1131692055, rs587777741, rs1184529372, rs76492282, rs75462234, rs202128397, rs879255251, rs879255252, rs749740335, rs138656762, rs869025541, rs878853159, rs1393955970, rs748812981, rs1566778651, rs866294686, rs1566777560, rs1566778676, rs1568723797, rs1568725026, rs1569534160, rs1589475328, rs912928648, rs79555199, rs1595166085, rs1596351849, rs1596861969, rs1595163730, rs1588200023, rs779586424, rs759356936, rs1451194842, rs1317776692, rs759055242, rs2066568818	29473663, 25557779
Hydrocephalus	Hydrocephalus	rs387907320, rs369384363, rs387907321, rs372127610, rs770273135, rs797045095, rs797045707, rs769795916, rs781251438, rs922703465, rs376078512, rs1567043467, rs1587149916, rs1586841546
Nephrotic syndrome	Nephrotic Syndrome	rs876657369, rs121912601, rs121912602, rs876657370, rs121912603, rs121912604, rs121912605, rs121907900, rs121907901, rs28941778, rs587776576, rs28942089, rs587776577, rs28941777, rs121907910, rs1568296260, rs119473033, rs74315342, rs74315343, rs74315345, rs74315346, rs74315347, rs74315348, rs121434394, rs267606919, rs121912488, rs267606953, rs267606954, rs267606955, rs104886210, rs1591732280, rs1591750243, rs140511594, rs140781106, rs147972030, rs587776969, rs386833863, rs386833880, rs386833882, rs386833892, rs386833895, rs386833909, rs386833911, rs386833920, rs386833935, rs386833947, rs1555763603, rs398122978, rs398122979, rs398122980, rs369573693, rs398122981, rs398122982, rs398122983, rs200482683, rs730882194, rs180177201, rs587777552, rs587777553, rs775170915, rs749740335, rs12568913, rs530318579, rs786204583, rs786204708, rs786204632, rs138656762, rs797044992, rs797044994, rs797044995, rs864321632, rs864321687, rs864321688, rs864321633, rs869025495, rs869025541, rs869312747, rs145473779, rs757674160, rs869320695, rs138909849, rs869312984, rs1057516900, rs763818901, rs199506378, rs1057517164, rs1057516523, rs1057516414, rs778055996, rs1057516395, rs1057516747, rs1057516880, rs1057516680, rs778217926, rs1057519347, rs764587648, rs1060499703, rs121907903, rs769259446, rs1131692252, rs1131692253, rs1131692254, rs1131692255, rs1131692256, rs746887949, rs1131692235, rs1135402911, rs1135402912, rs1135402913, rs1554946480, rs1555331969, rs773173317, rs1555816634, rs775006954, rs1320543506, rs534522842, rs1272948499, rs1191455921, rs1291398331, rs1554939785, rs776016942, rs1031744496, rs748812981, rs755972674, rs1553312833, rs967339926, rs1462028977, rs1212702104, rs1167223941, rs762631237, rs1553316575, rs1553315173, rs1553316648, rs1553316611, rs780761368, rs368572297, rs1568070817, rs1321552081, rs1558108130, rs1558091788, rs1565707103, rs1558355124, rs1564622701, rs1351580598, rs1589475328, rs1589413498, rs1572255744, rs1572262824, rs761410195, rs1602413491, rs1590326226, rs375998390, rs570583897, rs369363545, rs201488687, rs1334894971, rs763782471, rs138047529, rs895782232, rs1572255047, rs1589433172, rs1589509476, rs1572277600, rs1572282458, rs1584675898, rs759043857, rs1853443391
Polydactyly	POLYDACTYLY, POSTAXIAL	rs1583729398, rs121917709, rs1583734240, rs121917714, rs397507422, rs398122899, rs587776959, rs386833752, rs1057518698, rs1060499558, rs755938967, rs1375768446, rs1309855392, rs1565601979, rs748321474, rs368652620, rs1562587032, rs760694987
Renal insufficiency	Renal Insufficiency	rs1596536873
Ventriculomegaly with cystic kidney disease	Cystic Kidney Disease with Ventriculomegaly, Ventriculomegaly-cystic kidney disease	rs375072557, rs730880377	25557780, 29473663, 30586318

Unknown
Disease name	Disease term	dbSNP ID	References
Genetic steroid-resistant nephrotic syndrome	Genetic steroid-resistant nephrotic syndrome
Glomerular hyalinosis	Hyalinosis, Segmental Glomerular
Glomerulosclerosis	Focal glomerulosclerosis
Nephritis	NEPHROTIC SYNDROME, STEROID-RESISTANT, AUTOSOMAL RECESSIVE		25557779
Renal corticomedullary cysts	Renal corticomedullary cysts
Renal glomerular disease	Renal glomerular disease