1. Home
  2. Products
  3. Therapeutic Peptides
  4. Peptide Inhibitors
  5. Parasin I

Parasin I

Parasin I is a 19-amino acid histone H2A-derived peptide isolated from the skin of the catfish, and shows antimicrobial activity.

Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.
Parasin I(CAS 219552-69-9)

CAT No: R1604

CAS No:219552-69-9

Synonyms/Alias:Parasin I;219552-69-9;KGRGKQGGKVRAKAKTRSS;Parasin I trifluoroacetate salt;CHEMBL1240726;RS-2018;Parasin I (KGRGKQGGKVRAKAKTRSS-acid);DA-56592;

Custom Peptide Synthesis
cGMP Peptide
  • Registration of APIs
  • CMC information required for an IND
  • IND and NDA support
  • Drug master files (DMF) filing
M.F/Formula
C82H154N34O24
M.W/Mr.
2000.3
Sequence
One Letter Code:KGRGKQGGKVRAKAKTRSS
Three Letter Code:H-Lys-Gly-Arg-Gly-Lys-Gln-Gly-Gly-Lys-Val-Arg-Ala-Lys-Ala-Lys-Thr-Arg-Ser-Ser-OH
Activity
Antibacterial
Host Chemicals
Silurus asotus
Length
19
SwissProt ID
Q8JI24
InChI
InChI=1S/C82H154N34O24/c1-43(2)63(115-74(134)50(21-8-13-31-85)107-60(122)38-99-59(121)37-101-69(129)55(27-28-58(89)120)110-72(132)49(20-7-12-30-84)106-62(124)40-102-68(128)48(24-16-34-96-80(90)91)105-61(123)39-100-67(127)47(88)19-6-11-29-83)77(137)111-53(25-17-35-97-81(92)93)71(131)104-44(3)65(125)108-51(22-9-14-32-86)70(130)103-45(4)66(126)109-52(23-10-15-33-87)75(135)116-64(46(5)119)78(138)112-54(26-18-36-98-82(94)95)73(133)113-56(41-117)76(136)114-57(42-118)79(139)140/h43-57,63-64,117-119H,6-42,83-88H2,1-5H3,(H2,89,120)(H,99,121)(H,100,127)(H,101,129)(H,102,128)(H,103,130)(H,104,131)(H,105,123)(H,106,124)(H,107,122)(H,108,125)(H,109,126)(H,110,132)(H,111,137)(H,112,138)(H,113,133)(H,114,136)(H,115,134)(H,116,135)(H,139,140)(H4,90,91,96)(H4,92,93,97)(H4,94,95,98)/t44-,45-,46+,47-,48-,49-,50-,51-,52-,53-,54-,55-,56-,57-,63-,64-/m0/s1
InChI Key
NFEQUGKCQWAGLY-UAAVROCESA-N

Useful Tools

Peptide Calculator

Abbreviation List

Peptide Glossary

If you have any peptide synthesis requirement in mind, please do not hesitate to contact us at . We will endeavor to provide highly satisfying products and services.

Featured Services
Peptide CDMOPeptide Analysis ServicescGMP Peptide ServicePeptide Synthesis ServicesPeptide Modification ServicesEpitope Mapping ServicesCustom Conjugation ServicePeptide Nucleic Acids Synthesis
Hot Products
Deslorelin Acetate

Deslorelin Acetate is a potent GnRH analog peptide for fertility control research. Order Deslorelin peptide from a professional peptide supplier for veterinary applications.

Read More Read More
Terlipressin Acetate

Terlipressin Acetate is a synthetic vasopressin analog peptide used for vascular and liver research. Buy Terlipressin peptide powder online from a trusted peptide supplier for professional studies.

Read More Read More
Atosiban

Atosiban is a peptide oxytocin receptor antagonist that helps prevent preterm labor. Buy Atosiban peptide for reproductive and uterine contractility research.

Read More Read More
Deslorelin

Deslorelin peptide is a potent GnRH agonist used for fertility and hormonal control. Buy Deslorelin peptide powder online for veterinary and endocrine research applications.

Read More Read More
Carbetocin

Carbetocin is a synthetic oxytocin analog that promotes uterine contraction and postpartum recovery. Buy Carbetocin peptide powder from a professional supplier for reproductive research.

Read More Read More
Thymopentin Acetate

Thymopentin Acetate peptide enhances immune modulation and T-cell function. Purchase Thymopentin research peptide online for immunotherapy and cell biology research.

Read More Read More
GLP-1 (7-37) Acetate

GLP-1 (7-37) Acetate is a synthetic peptide for appetite and insulin regulation. Order GLP-1 peptide powder from a trusted supplier for metabolic research.

Read More Read More
GLP-1 (7-36) amide Acetate

GLP-1 (7-36) amide Acetate peptide enhances insulin secretion and glucose balance. Buy this research peptide for diabetes and metabolic disorder studies.

Read More Read More
Glucagon

Glucagon peptide promotes glycogen breakdown and blood sugar regulation. Buy Glucagon research peptide online for metabolic and liver studies.

Read More Read More
Teriparatide Acetate

Teriparatide Acetate is a bone-forming peptide supporting osteoporosis research. Buy Teriparatide peptide online to study bone growth and calcium metabolism.

Read More Read More
About us

Creative Peptides is a trusted CDMO partner specializing in high-quality peptide synthesis, conjugation, and manufacturing under strict cGMP compliance. With advanced technology platforms and a team of experienced scientists, we deliver tailored peptide solutions to support drug discovery, clinical development, and cosmetic innovation worldwide.

From custom peptide synthesis to complex peptide-drug conjugates, we provide flexible, end-to-end services designed to accelerate timelines and ensure regulatory excellence. Our commitment to quality, reliability, and innovation has made us a preferred partner across the pharmaceutical, biotechnology, and personal care industries.

Our Customers