Lipid Modification Database
Tag Content
LipidDB ID
LipidDB-9823-01077
Entry Name
UniProt Accession
Theoretical PI
9.7
Molecular Weight
3709.87
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
Pulmonary surfactant-associated protein C
Protein Synonyms/Alias
SP-C; Pulmonary surfactant-associated proteolipid SPL(Val);
Gene Name
SFTPC
Gene Synonyms/Alias
SFTP2;
Created Date
01-APR-1990
 Lipid Modification Sites 
 Position   Sequence Form   Peptide   References   Modification Type 
5
Canonical
***LRIPCCPVNLKR
[1][2]
S-Palmitoylation
6
Canonical
**LRIPCCPVNLKRL
[1][2]
S-Palmitoylation
Organism
Sus scrofa (Pig)
NCBI Taxa ID
9823
Reference
[1] Curstedt T, Johansson J, Persson P, Eklund A, Robertson B, Löwenadler B,Jörnvall H. Hydrophobic surfactant-associated polypeptides: SP-C is a lipopeptidewith two palmitoylated cysteine residues, whereas SP-B lacks covalently linkedfatty acyl groups. Proc Natl Acad Sci U S A. 1990 Apr;87(8):2985-9.[PMID:2326260]
[2] Baumgart F, Ospina OL, Mingarro I, Rodríguez-Crespo I, Pérez-Gil J.Palmitoylation of pulmonary surfactant protein SP-C is critical for itsfunctional cooperation with SP-B to sustain compression/expansion dynamics incholesterol-containing surfactant films. Biophys J. 2010 Nov 17;99(10):3234-43.doi: 10.1016/j.bpj.2010.08.070.[PMID:21081071]
Functional Description
Pulmonary surfactant associated proteins promote alveolar stability by lowering the surface tension at the air- liquid interface in the peripheral air spaces.
Sequence Annotation
Protein Length
35 AA.
Protein Sequence
(Canonical)
LRIPCCPVNL KRLLVVVVVV VLVVVVIVGA LLMGL                             35
FASTA
(Canonical)
>LipidDB-9823-01077|P15785
LRIPCCPVNLKRLLVVVVVVVLVVVVIVGALLMGL
Gene Ontology
GO:0005737; C:cytoplasm; IEA:Ensembl
GO:0005576; C:extracellular region; IEA:UniProtKB-KW
GO:0007585; P:respiratory gaseous exchange; IEA:UniProtKB-KW
Interpro
InterPro; IPR018051; SP-C_palmitoylation_site
InterPro; IPR015091; Surfactant_protein_propep
Pfam
Pfam; PF08999; SP_C-Propep;
SMART
PROSITE
PROSITE; PS00341; SURFACT_PALMITOYL;
PRINTS