======= SFTPB =======


== Gene Information ==
  * **<color #00a2e8>Official Symbol</color>**: SFTPB
  * **<color #00a2e8>Official Name</color>**: surfactant protein B
  * **<color #00a2e8>Aliases and Previous Symbols</color>**: N/A
  * **<color #00a2e8>Entrez ID</color>**: [[https://www.ncbi.nlm.nih.gov/gene/?term=6439|6439]]
  * **<color #00a2e8>UniProt</color>**: [[https://www.uniprot.org/uniprot/P07988|P07988]]
  * **<color #00a2e8>Interactions</color>**: [[https://thebiogrid.org/search.php?search=SFTPB&organism=9606|BioGRID]]
  * **<color #00a2e8>PubMed articles</color>**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20SFTPB|Open PubMed]]
  * **<color #00a2e8>OMIM</color>**: [[https://omim.org/entry/178640|Open OMIM]]

== Function Summary ==
  * **<color #00a2e8>Entrez Summary</color>**:  This gene encodes the pulmonary-associated surfactant protein B (SPB), an amphipathic surfactant protein essential for lung function and homeostasis after birth. Pulmonary surfactant is a surface-active lipoprotein complex composed of 90% lipids and 10% proteins which include plasma proteins and apolipoproteins SPA, SPB, SPC and SPD. The surfactant is secreted by the alveolar cells of the lung and maintains the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung. The SPB enhances the rate of spreading and increases the stability of surfactant monolayers in vitro. Multiple mutations in this gene have been identified, which cause pulmonary surfactant metabolism dysfunction type 1, also called pulmonary alveolar proteinosis due to surfactant protein B deficiency, and are associated with fatal respiratory distress in the neonatal period. Alternatively spliced transcript variants encoding the same protein have been identified.[provided by RefSeq, Feb 2010]. 
  * **<color #00a2e8>UniProt Summary</color>**:  Pulmonary surfactant-associated proteins promote alveolar stability by lowering the surface tension at the air- liquid interface in the peripheral air spaces. SP-B increases the collapse pressure of palmitic acid to nearly 70 millinewtons per meter.

<button type='primary' size='sm' modal='Pfam_Domains'>Pfam Domains</button>
<button type='primary' size='sm' modal='GO_terms'>GO Terms</button>


<modal id='Pfam_Domains' size='lg' title='Pfam Domains'>
|SapB 2|
|SapA|
</modal>

<modal id='GO_terms' size='lg' title='GO Terms'>
|alveolar lamellar body|
|multivesicular body lumen|
|lamellar body|
|clathrin-coated endocytic vesicle|
|multivesicular body|
|respiratory gaseous exchange by respiratory system|
|sphingolipid metabolic process|
|membrane lipid metabolic process|
|lysosome|
|endoplasmic reticulum membrane|
|animal organ morphogenesis|
|cellular lipid metabolic process|
|lipid metabolic process|
|extracellular space|
|extracellular region|
</modal>
\\

 === CRISPR Data ===
<button type='default' size='small' modal='Compound_Hit'>Compound Hit</button>
<button type='default' size='small' modal='Most_Correlated_Genes'>Most Correlated Genes in Chemogenomics</button>
<button type='primary' size='small' modal='Essential_Avana'>Tissues where Essential in the Avana Dataset (DepMap 20Q1)</button>

<modal id='Compound_Hit' size='lg' title='Compound Hit'>
No hits were found.
</modal>

<modal id='Most_Correlated_Genes' size='lg' title='Most Correlated Genes in Chemogenomics'>
No correlation found to any other genes in chemogenomics.
</modal>

<modal id='Essential_Avana' size='lg' title='Tissues where Essential in the Avana Dataset (DepMap 20Q1)'>
Global Fraction of Cell Lines Where Essential: 0/739
^Tissue^Fraction Of Cell Lines Where Essential^
|1290807.0|0/1|
|909776.0|0/1|
|bile duct|0/28|
|blood|0/28|
|bone|0/26|
|breast|0/33|
|central nervous system|0/56|
|cervix|0/4|
|colorectal|0/17|
|esophagus|0/13|
|fibroblast|0/1|
|gastric|0/16|
|kidney|0/21|
|liver|0/20|
|lung|0/75|
|lymphocyte|0/16|
|ovary|0/26|
|pancreas|0/24|
|peripheral nervous system|0/16|
|plasma cell|0/15|
|prostate|0/1|
|skin|0/24|
|soft tissue|0/9|
|thyroid|0/2|
|upper aerodigestive|0/22|
|urinary tract|0/29|
|uterus|0/5|
</modal>

== Essentiality in NALM6  ==
    * **<color #00a2e8>Essentiality Rank</color>**: 6047
    * **<color #00a2e8>Expression level (log2 read counts)</color>**: 1.75 
<button type='primary' size='small' modal='Dist_expr'>Expression Distribution</button>
<modal id='Dist_expr' size='lg' title='SFTPB Expression in NALM6 Cells: 1.75'>
{{:chemogenomics:nalm6 dist.png?nolink |}}
</modal>