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C1s

  • Official Full Name

    complement component 1, s subcomponent

  • Overview

    This gene encodes a serine protease, which is a major constituent of the human complement subcomponent C1. C1s associates with two other complement components C1r and C1q in order to yield the first component of the serum complement system. Defects in this gene are the cause of selective C1s deficiency. [provided by RefSeq, Mar 2009]
  • Synonyms

    C1S; complement component 1, s subcomponent; complement C1s subcomponent; C1 esterase; basic proline-rich peptide IB-1; complement component 1 subcomponent s;

  • Recombinant Proteins
  • Native Proteins
  • Cell & Tissue Lysates
  • Protein Pre-coupled Magnetic Beads
  • Chicken
  • Human
  • Rat
  • E.coli
  • HEK293
  • HEK293T
  • In Vitro Cell Free System
  • Mammalian Cell
  • Mammalian cells
  • Wheat Germ
  • C
  • His
  • GST
  • His (Fc)
  • Avi
  • His|T7
  • Myc
  • DDK
  • N/A
  • N
Species Cat.# Product name Source (Host) Tag Protein Length Price
Human C1S-120H Active Recombinant Human C1S, His-tagged Mammalian cells His
Human C1S-550H Active Native Human C1S Enzyme N/A
Human C1S-26615TH Recombinant Human C1S Wheat Germ N/A 688 amino acids
Human C1S-10489H Recombinant Human C1S, GST-tagged E.coli GST 166-688a.a.
Human C1S-597H Recombinant Human C1s protein, His-tagged HEK293 His Met1-Asp688
Human C1S-1788H Recombinant Human C1S protein, His & T7-tagged E.coli His/T7 Ile438~Pro685 (Accession # P09871)
Human C1S-8131HCL Recombinant Human C1S 293 Cell Lysate HEK293 N/A
Human C1S-5501H Recombinant Human C1S Protein, Myc/DDK-tagged, C13 and N15-labeled HEK293T Myc/DDK
Human C1S-1407H Recombinant Human C1S protein, His-tagged E.coli His 16-688aa
Human C1S-2572H Recombinant Human C1S Protein, His (Fc)-Avi-tagged HEK293 His (Fc)-Avi
Human C1S-5143H Recombinant Human C1S Protein (Met1-Asp688), C-His tagged Mammalian cells C-His Met1-Asp688
Human C1S-42HF Recombinant Full Length Human C1S Protein In Vitro Cell Free System 688 amino acids
Human C1S-0278H Recombinant Human C1S Protein (Ile438-Pro685), N-His-tagged E.coli N-His Ile438-Pro685
Human C1S-2572H-B Recombinant Human C1S Protein Pre-coupled Magnetic Beads HEK293
Rat C1S-1049R Recombinant Rat C1S Protein Mammalian Cell His
Rat C1S-707R Recombinant Rat C1S Protein, His (Fc)-Avi-tagged HEK293 His (Fc)-Avi
Rat C1S-707R-B Recombinant Rat C1S Protein Pre-coupled Magnetic Beads HEK293
Chicken C1S-2476C Recombinant Chicken C1S Mammalian Cell His
  • Involved Pathway
  • Protein Function
  • Interacting Protein
  • C1s Related Articles

C1s involved in several pathways and played different roles in them. We selected most pathways C1s participated on our site, such as Complement and coagulation cascades, Pertussis, Staphylococcus aureus infection, which may be useful for your reference. Also, other proteins which involved in the same pathway with C1s were listed below. Creative BioMart supplied nearly all the proteins listed, you can search them on our site.

Pathway Name Pathway Related Protein
Complement and coagulation cascadesPLAT;THBD;SERPIND1;FGG;CR1;C4BPB;MBL1;CFI;C1QB
PertussisCALM3;CALM4;CXCL5;SERPING1;MAPK13;C1S;C1R;ITGB2L;IRAK4
Staphylococcus aureus infectionHLA-DQA1;HLA-DPA1;H2-AB1;C1QC;CFH;DSG1C;HLA-DRB5;SELPLG;C5
Systemic lupus erythematosusHIST1H3E;HIST1H4F;H2AFY2;HLA-DRA;HIST2H3C1;C9;SNRPD1;GRIN2B;HLA-DRB5

C1s has several biochemical functions, for example, calcium ion binding, identical protein binding, protein binding. Some of the functions are cooperated with other proteins, some of the functions could acted by C1s itself. We selected most functions C1s had, and list some proteins which have the same functions with C1s. You can find most of the proteins on our site.

Function Related Protein
calcium ion bindingEHD1A;CANX;DST;KCNIP1;PRSS2;PCDHB7;SLC25A25A;ANXA13L;CDHR1
identical protein bindingLYZ;EIF2AK3;LTBR;KCNJ2;MAP3K13;BNIP3;RUNX1T1;CLDN14;GLUD1
protein bindingSFTPC;FGFRL1A;ZRANB1;SPTSSB;PHYHD1;BAG2;NAP1L2;REXO1L1;ENSA
serine-type endopeptidase activityKLK1B8;PCSK9;KLK1B1;TMPRSS11E;HABP2;PCSK6;KLK1B16;GZME;CELA2B

C1s has direct interactions with proteins and molecules. Those interactions were detected by several methods such as yeast two hybrid, co-IP, pull-down and so on. We selected proteins and molecules interacted with C1s here. Most of them are supplied by our site. Hope this information will be useful for your research of C1s.

C1R; calcium(2+); Dlg4; q7ckm5_yerpe; eutG; yrbF; q81um1_bacan; q81ux8_bacan; emrR; d-mannose

Keizer, MP; Pouw, RB; et al. TFPI inhibits lectin pathway of complement activation by direct interaction with MASP-2. EUROPEAN JOURNAL OF IMMUNOLOGY 45:544-550(2015).
Muia, J; Zhu, J; et al. Allosteric activation of ADAMTS13 by von Willebrand factor. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 111:18584-18589(2014).
  • Q&As
  • Reviews

Q&As (5)

Ask a question
Is C1S protein deficiency a rare condition? 10/07/2022

Yes, C1S protein deficiency is rare, but it is more common in patients with a family history of HAE.

What are the potential side effects or risks associated with C1S replacement therapy? 08/13/2022

Side effects can include infusion site reactions or hypersensitivity reactions, so treatment is typically administered under medical supervision.

How is C1S protein replacement therapy administered to patients with HAE? 10/02/2021

C1S protein replacement therapy is usually given intravenously, and the frequency of administration may vary depending on the patient's needs.

Can C1S protein be used in the treatment of conditions other than HAE? 01/09/2018

C1S replacement therapy is primarily used for HAE, but researchers are investigating its potential use in other complement-related disorders.

Are there any ongoing research efforts related to C1S protein in clinical applications? 11/20/2016

Yes, ongoing research aims to better understand the role of C1S in HAE and explore new treatment options, such as gene therapy.

Customer Reviews (3)

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Reviews
12/07/2018

    This level of sensitivity and specificity has streamlined my research and allowed for precise protein characterization.

    09/28/2018

      The protein bands detected were exceptionally distinct, enabling easy interpretation and accurate analysis of protein expression patterns.

      09/16/2018

        To summarize, the C1S protein is a highly recommended asset for various research endeavors, including ELISA, protein electron microscopy structure analysis, and Western blotting.

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