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OBP2A Gene

protein-coding   GIFtS: 46

GC09P137577
odorant binding protein 2A
Symbol approved by the HUGO Gene Nomenclature Committee (HGNC) database
Services    
(According to 1HGNC, 2Entrez Gene,
3UniProtKB/Swiss-Prot, 4UniProtKB/TrEMBL, 5OMIM, 6GeneLoc , and/or 7Ensembl, 8miRBase)
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Aliases
OBP 1, 2
OBP2C 2
OBPIIa 2, 3
OTTHUMP00000022542 2
hOBPIIa 1, 2
Descriptions
odorant binding protein 2A 2
putative odorant-binding protein 2c 2
External Ids
HGNC: 233801
Entrez Gene: 299912
UniProtKB: Q9NY563
Ensembl: ENSG000001221367
Search outside databases for aliases for OBP2A gene

Previous GC identifers: GC09P129587 GC09P130209 GC09P131961 GC09P133877 GC09P135663

(According to Entrez Gene, Wikipedia's Gene Wiki,
UniProtKB/Swiss-Prot, and/or UniProtKB/TrEMBL)
About This Section

EntrezGene summary for OBP2A:
This gene encodes a small extracellular protein belonging to the lipocalin superfamily. The protein
is thought to transport small, hydrophobic, volatile molecules or odorants through the nasal mucus
to olfactory receptors, and may also function as a scavenger of highly concentrated or toxic
odors. The protein is expressed as a monomer in the nasal mucus, and can bind diverse types of
odorants with a higher affinity for aldehydes and fatty acids. This gene and a highly similar
family member are located in a cluster of lipocalin genes on chromosome 9. Alternatively spliced
transcript variants have been described, but their biological validity has not been determined.
[provided by RefSeq]

UniProtKB/Swiss-Prot: OBP2A_HUMAN, Q9NY56
Function: Probably binds and transports small hydrophobic volatile molecules with a higher affinity
for aldehydes and large fatty acids

Gene Wiki entry for OBP2A

(According to GeneLoc and/or HGNC, and/or
Entrez Gene (NCBI build 36),
and/or miRBase,
Genomic Views according to UCSC and Ensembl, Transcription factor binding sites according to SABiosciences)
About This Section

Genomic View:
UCSC Golden Path with GeneCards custom track

 Transcription factor binding sites upstream to the OBP2A gene  

Entrez Gene cytogenetic band: 9q34   Ensembl cytogenetic band:  9q34.3   HGNC cytogenetic band: 9q34

OBP2A Gene in genomic location: bands according to Ensembl, locations according to (and/or Entrez Gene and/or Ensembl if different)

GeneLoc gene densities for chromosome 9         GeneLoc Exon Structure

GeneLoc location for GC09P137577:     (about GC identifiers)

Start:
137,577,806 bp from pter
End:
137,581,636 bp from pter
Size:
3,831 bases
Orientation:
plus strand
RefSeq DNA sequence:
NC_000009.10  NT_019501.13  
(According to 1UniProtKB, and/or Ensembl, Phosphorylation sites according to 2Phosphosite, RefSeq according to NCBI, PDB rendering according to OCA and/or Proteopedia, Recombinant Proteins from Invitrogen, Millipore, Sigma-Aldrich, R&D Systems, Enzo Life Sciences, Abnova, OriGene and/or, Abcam,
Biochemical Assays by Invitrogen, Millipore, R&D Systems, Cell Signaling Technology, and/or Enzo Life Sciences, Ontologies according to Gene Ontology Consortium 01 Apr 2009 and Entrez Gene, Antibodies by Invitrogen, Millipore, Sigma-Aldrich, R&D Systems, Cell Signaling Technology, Abcam, Abnova, and/or Novus Biologicals)
About This Section

UniProtKB/Swiss-Prot: OBP2A_HUMAN, Q9NY56 (See protein sequence)
Recommended Name: Odorant-binding protein 2a precursor  
Size: 170 amino acids; 19318 Da
Subunit: Monomer
Subcellular location: Secreted (Probable)
Secondary accessions: Q5T8A3 Q9NY50 Q9NY53 Q9NY54 Q9NY55
Alternative splicing: 4 isoforms:  Q9NY56-1   Q9NY56-2   Q9NY56-3   Q9NY56-4   

REFSEQ proteins: NP_055397.1  

ENSEMBL proteins: 
ENSP00000342097 ENSP00000340950 ENSP00000360841 


Human Recombinant Proteins 
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1 Gene Ontology (GO) cellular component term (links to tree view):

GO IDQualified GO termEvidencePubMed IDs
GO:0005576 extracellular region IEA--
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Antibodies for OBP2A: 
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Assays for OBP2A: 
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(According to InterPro, ProtoNet, UniProtKB, and/or BLOCKS, Sets of similar genes according to GeneDecks)
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4 InterPro domains/families:
 IPR000566 Lipocln_cytFABP
 IPR012674 Calycin
 IPR002345 Lipocalin
 IPR002450 vonEbner_gland


   GeneDecks  OBP2A for the domains selected above  
About GeneDecksing

Graphical View of Domain Structure for InterPro Entry Q9NY56

ProtoNet protein and cluster: Q9NY56

2 Blocks protein families:
IPB002345 Lipocalin signature
IPB002450 Von Ebner's gland protein signature


UniProtKB/Swiss-Prot: OBP2A_HUMAN, Q9NY56
Similarity: Belongs to the calycin superfamily. Lipocalin family

(According to MGI Jun 06 2009, UniProtKB, IUBMB,and/or Genatlas,
shRNA from OriGene, Sigma-Aldrich, RNAi from Sigma-Aldrich,
RNAi Products, Clones, and Q-PCR Products from Invitrogen, Millipore, OriGene, and/or Abnova, siRNAs from Applied Biosystems, SYBR primers from OriGene, Cell-based Assays from Millipore, Ontologies according to Gene Ontology Consortium 01 Apr 2009 via Entrez Gene.)
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Inhib.
RNA:
Invitrogen RNAi Products for gene knock-down (OBP2A)
Browse for Gene Knock-down Tools from Millipore
Abnova Chimera RNAi Products for Gene knock-down (OBP2A)
              OriGene 29mer shRNA kit in GFP-retroviral vector: NM_014582

              Applied Biosystems Silencer® siRNAs for OBP2A

              Sigma-Aldrich siRNA for OBP2A  
                     Sigma-Aldrich shRNA for OBP2A  
                     Explore Sigma-Aldrich super-pooled esiRNAs  

Clones:Invitrogen Clones for OBP2A
Browse Clones for the Expression of Recombinant Proteins Available from Millipore
              OriGene GFP tagged cDNA clone in CMV expression vector: NM_014582
                                 Myc/DDK tagged cDNA clone in CMV expression vector: NM_014582
                                 untagged cDNA clone in CMV expression vector: NM_014582 

Primers: Browse Quantitative PCR Central at Invitrogen for Q-PCR LUX™ Primers
              OriGene genome-wide validated SYBR primer pairs: NM_014582

UniProtKB/Swiss-Prot: OBP2A_HUMAN, Q9NY56
Function: Probably binds and transports small hydrophobic volatile molecules with a higher affinity
for aldehydes and large fatty acids

Genatlas biochemistry entry for OBP2A:
odorant binding protein 2A,expressed in the nasal structure,salivary and lacrymal
glands,lung,lipocalin family of outlier group

2 Gene Ontology (GO) molecular function terms (links to tree view):

GO IDQualified GO termEvidencePubMed IDs
GO:0005215 transporter activity IEA--
GO:0005549 odorant binding NAS10607840
About this table

(Pathways according to Invitrogen (maps by GeneGo), Millipore, Cell Signaling Technology, Sigma-Aldrich, KEGG and/or UniProtKB,
Sets of similar genes according to GeneDecks, Proteins Network according to SABiosciences, Interactions according to 1UniProtKB, 2MINT, and/or 3STRING, with links to IntAct and Ensembl, Ontologies according to Gene Ontology Consortium 01 Apr 2009 via Entrez Gene.)
About This Section


  --

3 Gene Ontology (GO) biological process terms (links to tree view):

GO IDQualified GO termEvidencePubMed IDs
GO:0006810 transport IEA--
GO:0007608 sensory perception of smell IEA--
GO:0050896 response to stimulus IEA--
About this table
(Chemical Compounds according to UniProtKB, Enzo Life Sciences, Sigma-Aldrich, Tocris Bioscience, and/or Novoseek and Drugs according to Enzo Life Sciences and/or PharmGKB)
About This Section

Browse drugs & compounds from Enzo Life Sciences
Browse Small Molecules at Sigma-Aldrich

Browse Tocris compounds for OBP2A

(GenBank/EMBL/DDBJ Accessions according to
Unigene (Build 219 Homo sapiens; Jun 2 2009) or GenBank,
RefSeq according to Entrez Gene,
DOTS (version 10), and/or AceView,
non coding RNAs according to RNAdb,
ESTs according to GeneTide,
exon structure from GeneLoc, alternative splicing isoforms according to ASD and/or ECgene,
RNAi Products from Invitrogen, Millipore, and/or Abnova,
siRNAs from Applied Biosystems, Sigma-Aldrich,
shRNA from Sigma-Aldrich, OriGene,
Tagged/untagged cDNA clones from OriGene,
Expression Assays from Applied Biosystems)
About This Section

Inhib.
RNA:
Invitrogen RNAi Products for gene knock-down (OBP2A)
Browse for Gene Knock-down Tools from Millipore
Abnova Chimera RNAi Products for Gene knock-down (OBP2A)
              OriGene 29mer shRNA kit in GFP-retroviral vector: NM_014582

              Sigma-Aldrich siRNA for OBP2A  
                     Sigma-Aldrich shRNA for OBP2A  
                     Explore Sigma-Aldrich super-pooled esiRNAs  

Applied Biosystems Silencer® siRNAs: 

NM_014582  

REFSEQ mRNAs for OBP2A gene: 

NM_014582.2   

Applied Biosystems TaqMan ® Gene Expression Assays: 

NM_014582  

              OriGene GFP tagged cDNA clone in CMV expression vector: NM_014582
                                 Myc/DDK tagged cDNA clone in CMV expression vector: NM_014582
                                 untagged cDNA clone in CMV expression vector: NM_014582 

Additional cDNA sequence: 

AJ251021.1 AJ251022.1 AJ251023.1 AJ251024.1 AM087898.1 BC069563.1 BC143803.1 

3 DOTS entries:

DT.121197944  DT.91755850  DT.407483 

9 AceView cDNA sequences:

AJ251021 BC069563 NM_014582 AJ251024 AJ251022 AJ251023 AA936288 AI219510 
BV202087 

highest scoring ESTs for OBP2A:

AA936288 AI219510 AJ251021 AJ251022 AJ251023 AJ251024 BC069563 NM_014582 DT932749 DT932750 

Unigene Cluster for OBP2A:

Odorant binding protein 2A
Hs.567489  [show with all ESTs]
Unigene Representative Sequence: AJ251024


GeneLoc Exon Structure

3 Ensembl transcripts including schematic representations:
ENST00000340780  ENST00000342114  ENST00000371776  
(Experimental results according to 1GeneNote and GNF BioGPS,
probe sets-to-genes annotations according to 2GeneAnnot , 3GeneTide , Sets of similar genes according to GeneDecks, Electronic Northern calculations according to data from UniGene (Build 219 Homo sapiens), SAGE tags according to CGAP, plus additional links to SOURCE, and/or GNF BioGPS, and/or EXPOLDB, and/or UniProtKB,
Expression Assays from Applied Biosystems )
About This Section

OBP2A expression in normal and diseased human tissues

 Applied Biosystems TaqMan ® Gene Expression Assays for OBP2A

1 / 2 / 3

11 probe-sets matching OBP2A gene


Affymetrix
probe-set
Array  GeneAnnot data GeneNote data GeneTide data
# genes Sensitivity Specificity Correlation Length Gb_Accession Consensus Uniqueness Score Rank

54812_r_at2, 3 U95-C 2 1.00 0.50 1.00 1.00 AA977608 0.40 0.38 0.39 2

234841_x_at2, 3 U133-B 3 1.00 0.62 -- -- AJ251023 0.80 1.00 0.91 1

234436_x_at2, 3 U133-B 2 1.00 0.59 -- -- AJ251022 0.80 1.00 0.91 1

220848_x_at2, 3 U133-A 3 1.00 0.53 -- -- NM_014582 0.60 1.00 0.82 1

233860_s_at2, 3 U133-B 2 1.00 0.50 -- -- AI143970 0.20 0.33 0.27 2

220959_s_at2, 3 U133-A 2 1.00 0.50 -- -- NM_014581 0.20 0.33 0.27 2

234841_x_at2 U133Plus2 3 1.00 0.62 -- -- -- -- -- -- --

234436_x_at2 U133Plus2 2 1.00 0.59 -- -- -- -- -- -- --

220848_x_at2 U133Plus2 3 1.00 0.53 -- -- -- -- -- -- --

233860_s_at2 U133Plus2 2 1.00 0.50 -- -- -- -- -- -- --

220959_s_at2 U133Plus2 2 1.00 0.50 -- -- -- -- -- -- --
About this table
Data from (Publications) and GNF BioGPS
    About these images
About these images

CGAP SAGE TAG: --

SOURCE GeneReport for Unigene cluster: Hs.567489

UniProtKB/Swiss-Prot: OBP2A_HUMAN, Q9NY56
Tissue specificity: Strongly expressed in the nasal structures, salivary and lachrymal glands, and
lung

(Orthologs according to 1,2HomoloGene (2older version, for species not in 1newer version), 3euGenes, 4SGD and/or 5MGI Jun 06 2009, with possible further links to Flybase and/or WormBase, Gene Trees according to Ensembl)
About This Section


Orthologs for OBP2A gene from 2 species
Organism Gene Locus Description Human
Similarity
NCBI accessions
rat
(Rattus norvegicus)
Obp2b1   -- odorant binding protein 2B 60.08(n)
44.31(a)
286933  NM_173148.1  NP_775171.1 
mouse
(Mus musculus)
OTTMUSG000000126311   -- predicted gene, OTTMUSG00000012631 62.08(n)
47.31(a)
383678  XM_357181.4  XP_357181.4 
About this table        Species with no ortholog for OBP2A

ENSEMBL Gene Tree for OBP2A
(Paralogs according to 1HomoloGene
and 2Ensembl, Pseudogenes according to 3Pseudogene.org)
About This Section

Paralogs for OBP2A gene
LCN12  LCN1L12  OBP2B2  

(According to the 1NCBI SNP Database, 2Ensembl, 3PupaSUITE, and UniProtKB, Linkage Disequilibrium by HapMap, Genotyping Reagents from Applied Biosystems)
About This Section


10/124 NCBI SNPs in OBP2A are shown (see all 124 )
(Click for Applied Biosystems TaqMan ® Genotyping Assay)  (see all 23)
ABGenomic DataTranscription DataAllele Frequencies
SNP IDValidChr 9 posSequenceRecsAA
Chg
TypeMoreRecsAllele
freq
PopTotal
sample
More
------------
rs4652081,2
A,C,F,H137577093(+) CAGGAG/AGAAAC 1 -- ng517Minor allele frequency- A:0.48EU EA WA NA 680
rs5473141,2
A,C,F,H137576120(+) TCACAA/GCCAAC 1 -- ng51 tfbs312Minor allele frequency- N:0.00EU EA WA NA 1052
--
rs28536521,2
A,C,F,H137580462(+) TTTCAC/TGCCCC 1 M/T mis1 ese33Minor allele frequency- T:0.15EA WA 296
rs4625371,2
A,C,F,H137576984(+) TGTCCT/CGGTGG 1 -- ng519Minor allele frequency- C:0.43EA EU WA 2274
rs37620731,2
C,F,H137576044(+) TGCGCG/ATGTTG 1 -- ng518Minor allele frequency- A:0.14EA EU WA NA 2048
--
rs37620781,2
C,F,H137577203(+) TGGCCC/TGAGGA 1 -- ng51 tfbs34Minor allele frequency- T:0.16EU EA WA 418
--
rs37620791,2
C,F,H137577347(+) CGTGCG/AGGACT 1 -- ng514Minor allele frequency- A:0.15EU EA WA 396
rs37620761,2
C,F,H137577084(+) GAACAC/TGTGCA 1 -- ng51 tfbs34Minor allele frequency- T:0.08EU NA 258
--
rs5800721,2
C,F,H137577372(+) CCCACA/GTCTCT 1 -- ng517Minor allele frequency- G:0.37EU EA WA NA 536
--
rs37620811,2
C,F,H137577412(+) CAGCAG/AGGAGA 1 -- ng514Minor allele frequency- A:0.15EU EA WA 408
About this table

HapMap Linkage Disequilibrium images for OBP2A (up to first 250kb)

(in which this Gene is Involved, According to OMIM, UniProtKB, PharmGKB, Genatlas, GeneTests, Blood group antigen gene mutations by BGMUT, HGMD, GAD, HuGE Navigator, BCGD, and/or TGDB.)
About This Section

OMIM: 164320

(Possibly Related Articles in Doctor's Guide)
About This Section

  --

(in PubMed. Associations of this gene to articles via 1Novoseek, 2HGNC, 3Entrez Gene, 4UniProtKB/Swiss-Prot, 5UniProtKB/TrEMBL, 6GAD, and/or 7PharmGKB)
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10/15 PubMed articles for OBP2A gene (see all 15 ):
(in PubMed, OMIM, and NCBI Bookshelf)
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 ANDOR
Aliases
Free Text  

  Query String
PubMed
OMIM
NCBI Bookshelf
  (Note: In FireFox, select the above section and copy using Ctrl-C)
(According to Entrez Gene, HGNC, AceView, euGenes, Ensembl, miRBase, ECgene, and/or H-InvDB)
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Entrez Gene: 29991 HGNC: 23380 AceView: OBP2A Ensembl:ENSG00000122136 euGenes: HUgn29991
ECgene: OBP2A H-InvDB: OBP2A
(According to HUGE)
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  --
(According to ATLAS, HORDE, IMGT, MTDB, LEIDEN, UniProtKB/Swiss-Prot, and/or UniProtKB/TrEMBL,
Wikipedia and/or GeneReviews via UniProtKB/Swiss-Prot)
About This Section

  --
(Available from WIS Yeda, Salk, Tufts)
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  --
(Reagents available from Applied Biosystems, Antibodies and assays by Cell Signaling Technology, Abcam, Novus Biologicals,
Sigma-Aldrich, R&D Systems, Millipore, Abnova, and/or Invitrogen, Clones available from OriGene,and/or Invitrogen, Drugs and/or compounds by Sigma-Aldrich,
Enzo Life Sciences, and/or Tocris Bioscience)
About This Section



Products for OBP2A:
 TaqMan ® Gene Expression Assays
 TaqMan ® Genotyping Assays
  Free SNP selection tool



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