Human Placental Lactogen / CSH1 Protein (His tag) – PKSH031072

Recombinant Human Placental Lactogen / CSH1 Protein (His tag)

Chorionic somatomammotropin hormone, also known as Choriomammotropin, Lactogen, Placental lactogen and CSH1, is a secreted protein which belongs to the somatotropin / prolactin family. CSH1 is produced only during pregnancy and is involved in stimulating lactation, fetal growth and metabolism. Does not interact with GHR but only activates PRLR through zinc-induced dimerization. The CSH1 gene is member of the GH gene cluster on 17q, which consists of two growth hormone genes and three CSH genes. Genomic alterations in the GH cluster are well known, causing different phenotypes depending on the size of the deletion and the genes involved. The increased prevalence of hemizygosity of CSH1 in population in comparison to controls indicates a role for CSH1 haploinsufficiency in the etiology of growth retardation. Investigation of CSH1 deletions in further SRS and growth retarded patients will enable us to establish under which circumstances haploinsufficiency of CSH1 is likely to result in clinical changes.

Synonym(s) : CSH1

Species(s) : Human

Protein Expression Host : Human Cells

Protein Construction : A DNA sequence encoding the human CSH1 (NP_001308.1) (Met 1-Phe 217) was expressed, fused with a polyhistidine tag at the C-terminus.

Predicted N-terminal amino acid : Val 27

Molecular weight/mass : The secreted recombinant human CSH1 consists of 202 amino acids and has a calculated molecular mass of 23.7 kDa. It migrates as an approximately 25 kDa band in SDS-PAGE under reducing conditions.

Protein Construction : A DNA sequence encoding the human CSH1 (NP_001308.1) (Met 1-Phe 217) was expressed, fused with a polyhistidine tag at the C-terminus.

Formulation : Lyophilized from sterile PBS, pH 7.4

Purity : > 87 % as determined by SDS-PAGE

Endotoxin level : < 1.0 EU per μg of the protein as determined by the LAL method

Stability : Samples are stable for up to twelve months from date of receipt at -70°C

Shipping conditions : In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.

Reconstitution : Please refer to the printed manual for detailed information.

Manual & Datasheet