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Category   Symbol Source: HGNC EntrezGene Ensembl GeneCards RNA genes CroW21
GIFtS

DEFB4A Gene

protein-coding   GIFtS: 54
GCID: GC08P007752

defensin, beta 4A

(Previous names: defensin, beta 2, defensin, beta 4 )
(Previous symbols: DEFB102, DEFB2, DEFB4)
 Explore 92 diseases affiliated with
DEFB4A via our new
 Human Malady Compendium 
Biological research products
for DEFB4A
    

(According to 1HGNC, 2Entrez Gene,
3UniProtKB/Swiss-Prot, 4UniProtKB/TrEMBL, 5OMIM, 6GeneLoc, 7Ensembl, 8DME, 9miRBase, and/or 10fRNAdb)
About This Section

Aliases
Defensin, Beta 4A1 2     HBD-21 2
DEFB21 2 3 5     Defensin, Beta 41 2
DEFB41 2 3 5     Skin-Antimicrobial Peptide 12 3
Defensin, Beta 21 2 3     BD-22 3
DEFB1021 2 3     Beta-Defensin 4A2
SAP11 2 3     Beta-Defensin 23
DEFB-21 2     HBD-21 2

External Ids:    HGNC: 27671   Entrez Gene: 16732   Ensembl: ENSG000001717117   OMIM: 6022155   UniProtKB: O152633   

Export aliases for DEFB4A gene to outside databases


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

Entrez Gene summary for DEFB4A:
Defensins form a family of microbicidal and cytotoxic peptides made by neutrophils. Members of the defensin family are
highly similar in protein sequence. This gene encodes defensin, beta 4, an antibiotic peptide which is locally
regulated by inflammation. (provided by RefSeq, Jul 2008)

UniProtKB/Swiss-Prot: DFB4A_HUMAN, O15263
Function: Has antibacterial activity (Potential)

Gene Wiki entry for DEFB4A (Beta-defensin 2)


(According to GeneLoc and/or HGNC, and/or
Entrez Gene (NCBI build 37),
and/or miRBase,
Genomic Views according to UCSC (hg19) and Ensembl (release 69), Regulatory elements and Epigenetics data according to QIAGEN, SABiosciences, and/or SwitchGear Genomics)
About This Section
RefSeq DNA sequence:
NC_000008.10  NC_018919.1  NT_077531.4  
Regulatory elements:
   Search SABiosciences Regulatory transcription factor binding sites for DEFB4A
         Other transcription factors

SwitchGear Promoter luciferase reporter plasmidDEFB4A promoter sequence
   Search SABiosciences Chromatin IP Primers for DEFB4A

Epigenetics:
QIAGEN PyroMark CpG Assay predesigned Pyrosequencing DNA Methylation assays in human, mouse, rat DEFB4A


Genomic Location:
Genomic View: UCSC Golden Path with GeneCards custom track

Entrez Gene cytogenetic band: 8p23.1   Ensembl cytogenetic band:  8p23.1   HGNC cytogenetic band: 8p23.1

DEFB4A Gene in genomic location: bands according to Ensembl, locations according to (and/or Entrez Gene and/or Ensembl if different)
DEFB4A gene location

GeneLoc information about chromosome 8         GeneLoc Exon Structure

GeneLoc location for GC08P007752:  view genomic region     (about GC identifiers)

Start:
7,752,151 bp from pter      End:
7,754,237 bp from pter
Size:
2,087 bases      Orientation:
plus strand

(According to 1UniProtKB, HORDE, neXtProt, Ensembl, and/or Reactome, Modification sites according to 2PhosphoSitePlus, Specific Peptides from DME, Protein expression images according to data from SPIRE MOPED and PaxDb, RefSeq according to NCBI, PDB rendering according to OCA and/or Proteopedia, Recombinant Proteins from EMD Millipore, R&D Systems, GenScript, Enzo Life Sciences, OriGene, Novus Biologicals, Sino Biological, ProSpec, and/or Uscn,
Biochemical Assays by EMD Millipore, R&D Systems, OriGene, GenScript, Cell Signaling Technology, Enzo Life Sciences, and/or Uscn, Ontologies according to Gene Ontology Consortium 01 Mar 2013 and Entrez Gene, Antibodies by EMD Millipore, R&D Systems, GenScript, Cell Signaling Technology, OriGene, Novus Biologicals, Thermo Fisher Scientific, Abcam, and/or Uscn)
About This Section

UniProtKB/Swiss-Prot: DFB4A_HUMAN, O15263 (See protein sequence)
Recommended Name: Beta-defensin 4A precursor  
Size: 64 amino acids; 7038 Da
Subcellular location: Secreted
4 PDB 3D structures from and Proteopedia for DEFB4A:
1E4Q (3D)        1FD3 (3D)        1FD4 (3D)        1FQQ (3D)    
Secondary accessions: Q52LC0

Explore the universe of human proteins at neXtProt for DEFB4A: NX_O15263

DEFB4A Protein expression data from MOPED and PaxDb:    About this image 

Estimated protein expression log10 (pmol).

REFSEQ proteins: NP_004933.1  
ENSEMBL proteins: 
 ENSP00000303532  
Reactome Protein details: O15263
Human Recombinant Protein Products: 
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ProSpec Recombinant Protein for DEFB4A
Uscn Proteins for DEFB4A

Gene Ontology (GO): 2 cellular component terms (GO ID links to tree view):    About this table

GO IDQualified GO termEvidencePubMed IDs
GO:0005576extracellular region TAS--
GO:0005796Golgi lumen TAS--


DEFB4A for ontologies           About GeneDecksing



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Uscn ELISAs and CLIAs for DEFB4A


(According to InterPro, ProtoNet, UniProtKB, and/or BLOCKS, Sets of similar genes according to GeneDecks)
About This Section

DEFB4A for domains           About GeneDecksing

2 InterPro domains/families:
 IPR001855 Defensin_beta-typ
 IPR006080 Defensin_beta/neutrophil

Graphical View of Domain Structure for InterPro Entry O15263

ProtoNet protein and cluster: O15263

1 Blocks protein family: IPB001855 Beta defensin

UniProtKB/Swiss-Prot: DFB4A_HUMAN, O15263
Similarity: Belongs to the beta-defensin family. LAP/TAP subfamily


(According to 1UniProtKB, Genatlas, LifeMap Discovery™, IUBMB, and/or 2DME, Human phenotypes from GenomeRNAi, Animal models from MGI Mar 06 2013,
bound targets from SABiosciences, miRNA Gene Targets from miRTarBase shRNA from OriGene, RNAi from EMD Millipore, siRNAs from OriGene, QIAGEN, microRNA from QIAGEN, Gene Editing from DNA2.0, Clones from EMD Millipore, OriGene, SwitchGear Genomics, GenScript, Sino Biological, DNA2.0, and Vector BioLabs, Cell Lines from GenScript, LifeMap BioReagents, In Situ Hybridization Assays from Advanced Cell Diagnostics, Ontologies according to Gene Ontology Consortium 01 Mar 2013 via Entrez Gene.)
About This Section

Function Summary:

     UniProtKB/Swiss-Prot: DFB4A_HUMAN, O15263
Function: Has antibacterial activity (Potential)
Induction: By inflammation

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Inhib. RNA
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In Situ Assay
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Search Advanced Cell Diagnostics for RNAscope RNA in situ hybridization assays for DEFB4A

1 GenomeRNAi human phenotype for DEFB4A:
 Increased gamma-H2AX phosphory 


(Pathways according to EMD Millipore, R&D Systems, Cell Signaling Technology, KEGG, PharmGKB, BioSystems, Reactome, Tocris Bioscience, GeneGo (Thomson Reuters), QIAGEN, and/or UniProtKB, Sets of similar genes according to GeneDecks, Interaction Networks according to SABiosciences, and/or STRING, Interactions according to 1UniProtKB, 2MINT, 3I2D, and/or 4STRING, with links to IntAct and Ensembl, Ontologies according to Gene Ontology Consortium 01 Mar 2013 via Entrez Gene).
About This Section

Unified GeneCards pathways  About this table 
See pathways by source

Super-pathwaycontained gene-specific pathways
1Beta defensins
Beta defensins1.00
Defensins0.80
Beta-defensins bind microbial membranes causing disruption0.89
Pre-pro-defensins are cleaved to remove the signal peptide0.78
2Immune response_Bacterial infections in normal airways
Immune response_Bacterial infections in normal airways1.00
Bacterial infections in CF airways0.78
3Immune System
Immune System1.00
Innate Immune System0.46

Pathway sources
See GeneCards unified pathways
Show all pathways


2 GeneGo (Thomson Reuters) Pathways for DEFB4A
    Immune response Bacterial infections in normal airways
Bacterial infections in CF airways

5/6        Reactome Pathways for DEFB4A (see all 6)
    Pre-pro-defensins are cleaved to remove the signal peptide
Defensins
Beta defensins
Beta-defensins bind microbial membranes causing disruption
Immune System



DEFB4A for pathways           About GeneDecksing

Interactions:

    Search SABiosciences Gene Network CentralTM Interacting Genes and Proteins Networks for DEFB4A

STRING Interaction Network Preview (showing 5 interactants - click image to see 6)

5/9 Interacting proteins for DEFB4A (O152633 ENSP000003035324) via UniProtKB, MINT, STRING, and/or I2D (see all 9)
InteractantInteraction Details
GeneCardExternal ID(s)
CCR6P516843, ENSP000003393934I2D: score=1 STRING: ENSP00000339393
TLR4O002063, ENSP000003630894I2D: score=1 STRING: ENSP00000363089
HMGN2P052043I2D: score=1 
MMP7P092373I2D: score=1 
RELAQ042063I2D: score=1 
About this table

Gene Ontology (GO): 5 biological process terms (GO ID links to tree view):    About this table

GO IDQualified GO termEvidencePubMed IDs
GO:0006935chemotaxis TAS10521347
GO:0006955immune response TAS10521347
GO:0007186G-protein coupled receptor signaling pathway TAS10521347
GO:0042742defense response to bacterium IEA--
GO:0045087innate immune response TAS--


DEFB4A for ontologies           About GeneDecksing



(Chemical Compounds according to UniProtKB, Enzo Life Sciences, EMD Millipore, Tocris Bioscience HMDB, BitterDB, and/or Novoseek, and Drugs according to DrugBank, Enzo Life Sciences, and/or PharmGKB, with drugs/clinical trials/news search links to CenterWatch)
About This Section

DEFB4A for compounds           About GeneDecksing

Browse Small Molecules at EMD Millipore
Browse drugs & compounds from Enzo Life Sciences

Browse Tocris compounds for DEFB4A
10/31 Novoseek chemical compound relationships for DEFB4A gene (see all 31)    About this table
Compound   -log (P-Val)   Hits   PubMed IDs for Articles with Shared Sentences (# sentences)
hbd2 98.3 438 19617917 (14), 18567888 (8), 16926414 (7), 19233848 (7) (see all 83)
helenalin 65.6 4 12682256 (1), 16319062 (1), 15385474 (1), 16417227 (1)
hcec 60.1 2 16242370 (1), 17852183 (1)
peptidoglycan 52.5 11 15452057 (2), 15322197 (1), 15893496 (1), 17403538 (1) (see all 8)
lipoteichoic acid 44.9 5 12958190 (2), 11912282 (1)
sp 600125 43.7 3 15385474 (1), 15240151 (1), 16417227 (1)
rantes 41.3 8 16362266 (2), 18986692 (2), 19961380 (1), 17545490 (1) (see all 5)
anti-fungal 35.2 6 17392834 (1), 17340092 (1), 15161058 (1), 11936455 (1)
mg 132 25.9 3 11751976 (1), 16723032 (1), 15240151 (1)
sb 203580 25.7 3 17000004 (1), 20231411 (1), 15240151 (1)

Search CenterWatch for drugs/clinical trials and news about DEFB4A / DFB4A 

(Secondary structures according to fRNAdb,
GenBank/EMBL/DDBJ Accessions according to
Unigene (Build 235 Homo sapiens; Mar 10 2013) or GenBank,
RefSeq according to Entrez Gene,
DOTS (version 10), and/or AceView, transcript ids from Ensembl with links to UCSC,
exon structure from GeneLoc, alternative splicing isoforms according to ASD and/or ECgene,
RNAi Products from EMD Millipore,
siRNAs from OriGene, QIAGEN, shRNA from OriGene, microRNA from QIAGEN,
Tagged/untagged cDNA clones from OriGene, SwitchGear Genomics, GenScript, DNA2.0, Vector BioLabs, Primers from OriGene, SABiosciences, and/or QIAGEN )
About This Section

REFSEQ mRNAs for DEFB4A gene: 
NM_004942.2  

Unigene Cluster for DEFB4A:

Defensin, beta 4A
Hs.105924
Unigene Representative Sequence: GW493349
1 Ensembl transcript including schematic representation, and UCSC links where relevant:
ENST00000302247(uc003wsd.3)

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Inhib. RNA
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Clone
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  QIAGEN QuantiTect SYBR Green Assays in human, mouse, rat DEFB4A
  QIAGEN QuantiFast Probe-based Assays in human, mouse, rat DEFB4A

Additional cDNA sequence: 

BC069285.1 BC093983.1 BC093985.1 Z71389.1 

1 DOTS entry:

DT.40121027 

11 AceView cDNA sequences:

Z71389 BC069285 NM_004942 BM855542 BE714502 BV188537 BE181080 BF088089 
BE714489 BE181076 BF088093 

GeneLoc Exon Structure


(RNA expression data according to H-InvDB, NONCODE, miRBase, and RNAdb, Expression images according to data from BioGPS, Illumina Human BodyMap, and CGAP SAGE, Sets of similar genes according to GeneDecks, in vivo and in vitro expression data from LifeMap Discovery™, plus additional links to Genevestigator, and/or SOURCE, and/or BioGPS, and/or UniProtKB,
PCR Arrays from SABiosciences, Primers from OriGene, SABiosciences, and/or QIAGEN, In Situ Hybridization Assays from Advanced Cell Diagnostics)
About This Section

DEFB4A expression in normal human tissues (normalized intensities)
See probesets specificity/sensitivity at GeneAnnot
About this imageBioGPS
CGAP TAG: AGGAGGCCAA

Microarray
RNAseq (Illumina Body Map)
(100×FPKM)½
SAGE (Serial Analysis of Gene Expression)

About this image
See DEFB4A Protein Expression from SPIRE MOPED and PaxDB
Genevestigator expression for DEFB4A

SOURCE GeneReport for Unigene cluster: Hs.105924

UniProtKB/Swiss-Prot: DFB4A_HUMAN, O15263
Tissue specificity: Expressed in the skin and respiratory tract

    SABiosciences Custom PCR Arrays for DEFB4A
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In Situ
Assay Products:
 

 
Search Advanced Cell Diagnostics for RNAscope RNA in situ hybridization assays for DEFB4A

(Orthologs according to 1,2HomoloGene (2older version, for species not in 1newer version), 3euGenes, 4SGD , 5MGI Mar 06 2013, with possible further links to Flybase and/or WormBase, and/or 6Ensembl pan taxonomic compara , Gene Trees according to Ensembl and TreeFam)
About This Section
  --

ENSEMBL Gene Tree for DEFB4A (if available)
TreeFam Gene Tree for DEFB4A (if available) 

(Paralogs according to 1HomoloGene,
2Ensembl, and 3SIMAP, Pseudogenes according to 4Pseudogene.org Build 68)
About This Section
Paralogs for DEFB4A gene
DEFB4B1 2  
2 SIMAP similar genes for DEFB4A using alignment to 1 protein entry:     DFB4A_HUMAN:
DEFB103A    DEFB103B

DEFB4A for paralogs           About GeneDecksing



(SNPs/Variants according to the 1NCBI SNP Database, 2Ensembl, 3PupaSUITE, UniProtKB, and DNA2.0, Linkage Disequilibrium by HapMap, Structural Variations(CNVs/InDels/Inversions) from the Database of Genomic Variants, Mutations from the Human Gene Mutation Database (HGMD) and the Locus Specific Mutation Databases (LSDB), Blood group antigen gene mutations by BGMUT, Resequencing Primers from QIAGEN, Cancer Mutation PCR Arrays and Assays and Copy Number PCR Arrays from SABiosciences)
About This Section

10/40 NCBI SNPs in DEFB4A are shown (see all 40    About this table
Genomic DataTranscription Related DataAllele Frequencies
SNP IDValidClinical
significance
Chr 8 posSequence#AA
Chg
TypeMore#Allele
freq
PopTotal
sample
More
----------
rs769237891,2
C,--7750233(+) GGGTGC/GTGGCA 1 -- us2k10--------
rs112899671,2
C,--7750320(+) TATAC-/AAAAAA 1 -- us2k1 tfbs3 trp31Minor allele frequency- A:0.00CSA 2
rs93292101,2
C,F,A,--7750389(+) CTGTAT/CGCTTT 1 -- us2k13Minor allele frequency- C:0.33NA 6
rs1896213561,2
--7750512(+) TGACTA/GAGCTC 1 -- us2k10--------
rs1819216561,2
--7750518(+) AGCTCC/GAGTCC 1 -- us2k10--------
rs1854357571,2
--7750547(+) GCAGTA/TCTGAC 1 -- us2k10--------
rs1897929351,2
--7750567(+) CCCAGC/GCCTCT 1 -- us2k10--------
rs1807279791,2
--7750638(+) CTGTCA/GGAAGC 1 -- us2k10--------
rs1864537081,2
--7750650(+) ATTCCC/TGTGCC 1 -- us2k10--------
rs1912282101,2
--7750875(+) AAGGAA/TCTTGG 1 -- us2k10--------

HapMap Linkage Disequilibrium report for DEFB4A (7752151 - 7754237 bp)
Structural Variations (Copy Number Variations, Insertions/Deletions, Inversions)
      Database of Genomic Variants (DGV) variations for DEFB4A: --
Human Gene Mutation Database (HGMD): DEFB4A

SABiosciences Cancer Mutation PCR Assays
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(in which this Gene is Involved, According to MalaCards, OMIM, UniProtKB, the University of Copenhagen DISEASES database, Novoseek, Genatlas, GeneTests, GAD, HuGE Navigator, and/or TGDB.)
About This Section

DEFB4A for disorders           About GeneDecksing

OMIM gene information: 602215    OMIM disorders: --

20/92 diseases for DEFB4A (see all 92):    About MalaCards
open-angle glaucoma    tinea corporis    middle ear cholesteatoma    primary open angle glaucoma
lichen planus    pulmonary alveolar proteinosis    herpetic keratitis    mycobacterial infection
allergic contact dermatitis    contact dermatitis    oral lichen planus    vulvovaginal candidiasis
candidiasis    oral candidiasis    bacterial vaginosis    localized scleroderma
cholesteatoma    diffuse panbronchiolitis    inflammatory bowel disease    wegener's granulomatosis

2 diseases from the University of Copenhagen DISEASES database for DEFB4A:
Psoriasis     Atopic dermatitis

10/57 Novoseek disease relationships for DEFB4A gene (see all 57)    About this table

Disease   -log (P-Val)   Hits   PubMed IDs for Articles with Shared Sentences (# sentences)
skin infection 57.9 5 19919305 (1), 15587410 (1)
psoriasis 57.5 50 19266104 (5), 12374875 (3), 15587410 (3), 12395153 (2) (see all 14)
dermatitis atopic 57.1 21 12374875 (2), 19266104 (2), 18476959 (2), 19212650 (2) (see all 9)
bacterial infections 56.6 20 20476598 (2), 12760504 (2), 10512755 (1), 10586069 (1) (see all 14)
oral candidiasis 50.5 3 11936455 (2), 10225911 (1)
inflammation 47.8 50 18389480 (2), 12519391 (2), 9831658 (2), 18556347 (2) (see all 30)
cholesteatoma middle ear 46.9 10 16001900 (4), 17419529 (2), 12701748 (1)
nasal polyps 46.5 14 19141978 (4), 14504864 (2), 11005092 (1)
candidiasis 44.7 4 20476598 (2), 11936455 (2)
skin diseases 43.3 5 18620136 (1), 17928537 (1), 12395153 (1)

Human Genome Epidemiology (HuGE) Navigator: DEFB4A (0 documents)

Export disorders for DEFB4A gene to outside databases

(in PubMed. Associations of this gene to articles via 1Entrez Gene, 2UniProtKB/Swiss-Prot, 3HGNC, 4GAD, 5PharmGKB, 6HMDB, 7DrugBank, 8UniProtKB/TrEMBL, 9 Novoseek, and/or 10fRNAdb)
About This Section

PubMed articles for DEFB4A gene, integrated from 9 sources (see all 509):
(articles sorted by number of sources associating them with DEFB4A)
    Utopia: connect your pdf to the dynamic
world of online information

  1. A peptide antibiotic from human skin. (PubMed id 9202117)1, 2, 3 Harder J.... Schroeder J.-M. (1997)
  2. Structure and mapping of the human beta-defensin HBD-2 gene and its expression at sites of inflammation. (PubMed id 9831658)1, 2, 9 Liu L.... Ganz T. (1998)
  3. The structure of human beta-defensin-2 shows evidence of higher order oligomerization. (PubMed id 10906336)1, 2, 9 Hoover D.M.... Lubkowski J. (2000)
  4. Chemical synthesis of beta-defensins and LEAP-1/hepcidin. (PubMed id 12010514)1, 2, 9 Kluever E.... Adermann K. (2002)
  5. Structure determination of human and murine beta-defensins reveals structural conservation in the absence of significant sequence similarity. (PubMed id 11714914)1, 2, 9 Bauer F.... Sticht H. (2001)
  6. Mucoid Pseudomonas aeruginosa, TNF-alpha, and IL-1beta, but not IL-6, induce human beta-defensin-2 in respiratory epithelia. (PubMed id 10837369)1, 2, 9 Harder J.... Schroeder J.-M. (2000)
  7. The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). (PubMed id 15489334)1, 2 Gerhard D.S....Malek J. (2004)
  8. Transcriptional regulation of beta-defensin gene expression in tracheal epithelial cells. (PubMed id 10603376)1, 2 Diamond G.... Bevins C.L. (2000)
  9. Dysregulation of human beta-defensin-2 protein in inf lammatory bowel disease. (PubMed id 19617917)1, 9 Aldhous M.C....Satsangi J. (2009)
  10. Association of higher DEFB4 genomic copy number with Crohn's disease. (PubMed id 19809410)1, 9 Bentley R.W....Roberts R.L. (2010)

(in PubMed, OMIM, and NCBI Bookshelf)
About This Section
 ANDOR
Aliases
Disorders
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, Kegg, and/or H-InvDB)
About This Section
Entrez Gene: 1673 HGNC: 2767 AceView: DEFB4 Ensembl:ENSG00000171711 euGenes: HUgn1673
ECgene: DEFB4A H-InvDB: DEFB4A

(According to HUGE)
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(According to PharmGKB, ATLAS, HORDE, IMGT, LEIDEN, UniProtKB/Swiss-Prot, and/or UniProtKB/TrEMBL,
Wikipedia and/or GeneReviews via UniProtKB/Swiss-Prot)
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NameDescription
PharmGKB entry for DEFB4A Pharmacogenomics, SNPs, Pathways

(Patent information from GeneIP,
Licensable technologies from WIS Yeda, Salk, Tufts,
IP news from LifeMap Sciences, Inc.)
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Patent Information for DEFB4A gene:
Search GeneIP for patents involving DEFB4A

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