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Definition

Protein phosphorylation is a post-translational modification of proteins in which a serine, a threonine or a tyrosine residue is phosphorylated by a protein kinase with the addition of a covalently bound phosphate group. There are several protein phosphorylation related peptides that belongs to regulatory domain of kinases used for studying the physiological role of enzymes.

Discovery

In 1906, Phoebus A. Levene at the Rockefeller Institute identified phosphate in the protein Vitellin 1. In 1954, phosphorylation of a protein was observed when a liver enzyme catalyzed the phosphorylation of casein and became known as a protein kinase 2.  A year later, the role of phosphorylation became more interesting as Fischer and Krebs, and Wosilait and Sutherland 3, showed that an enzyme involved in glycogen metabolism was regulated by the addition or removal of a phosphate, suggesting that reversible phosphorylation could control enzyme activity. A peptide fragment of the thyroid hormone (TR)-binding protein (TRBP), the LXXLL motif, phosphorylated on Ser884 important for receptor selectivity and LXXLL-binding affinity correlates with TRBP transcriptional activity 4. Aquaporin - 2 (254 - 267), pSER256, human, a peptide fragment of the human aquaporin-2 (AQP2) phosphorylated at Ser256, plays a key role in vasopressin signaling in the renal-collecting duct 5.

Structural Characteristics

Phosphorylation refers to the addition of a phosphate to one of the amino acid side chains of a protein. Phosphates are negatively charged so that their addition to a protein leads to conformational change of the protein. Many bacterial species express 'eukaryotic-like' Ser/Thr or Tyr protein kinases and phosphatases that are candidate mediators of developmental changes and host/pathogen interactions. Studies reveal that universal mechanisms of regulation and substrate recognition govern the functions of prokaryotic and eukaryotic Ser/Thr protein kinases (STPKs). Several structures also support novel mechanisms of regulation, including dimerization of STPKs, metal-ion binding and substrate mimicry 6. There are several small peptides are involved in regulation of protein phosphorylation. Sequence of [pSer884] Thyroid Hormone Binding Protein (TRBP), biotin labeled is BIOTIN-KDVTLT(pSer)PLLVNLLQSDIS 4. Aquaporin - 2 (254 - 267), pSER256, human sequence is RQ-pS-VELHSPQSLPR. These peptides are used for thyroid hormone and vasopressin-dependent trafficking studies respectively 5.

Mode of Action

The transfer of phosphates onto proteins is catalyzed by a variety of protein kinases in the cell. The hydroxyl groups (-OH) of serine, threonine, tyrosine or histidine amino acid side chains are commonly used for addition of phosphate group. A second class of enzymes, phosphatases, are responsible for the reverse reaction, in which phosphates are removed from a protein. Some of these enzymes are extremely specific, potentially phosphorylating or dephosphorylating only a few target proteins, while others are able to act broadly on many proteins. The examples of known targets of phosphorylation include most protein components of the cell, including enzymes, structural proteins, cell receptors, ion channels and signaling molecules. If a protein is controlled by its phosphorylation state, its activity at any one time will be directly dependent on the activity of the kinases and phosphatases that act on it. It is quite common for a phosphate group to be added or removed from a protein continually, a cycle that allows a protein to switch rapidly from one state to another 7. [pSer884] Thyroid Hormone Binding Protein (TRBP) peptide interacts with nuclear receptors. Ligand-dependent interaction of nuclear receptors and co-activators is a critical step in nuclear receptor-mediated transcriptional regulation. Serine884 of TRBP LXXLL motif is a key residue for receptor selectivity 4. Aquaporins form pores in the membranes of cells and selectively pass water molecules through the membrane, and prevent the crossing of sodium, potassium and other ions and small molecules. Human aquaporin-2 (AQP2) peptide AQP2 residues including S256 and S261, are altered in response to vasopressin. In the presence of vasopressin, AQP2 monophosphorylated at Ser256 and diphosphorylated AQP2 (pSer256/261) increase in abundance, whereas AQP2 monophosphorylated at Ser261 decreases, suggesting that both sites are involved in vasopressin-dependent AQP2 trafficking 5.

Functions

Regulate cell processes, through the use of phosphorylation cycles and cascades, the cell is able to regulate a diverse set of processes, including cellular movement, reproduction and metabolism. It is the simplicity, reversibility and flexibility of phosphorylation that explains why it has been adopted as the most general control mechanism of the cell.

Signaling networks, the study of phosphorylated proteins combined with mass spectrometry have been used to identify and quantify dynamic changes in phosphorylated proteins over time. Systematic analysis of complex phosphorylation networks has helped in understanding of cellular processes8.

 PKC, C2 Domain (49 - 53), This peptide belongs to the C2 regulatory domain of e-protein kinase C, also known as e-PKC/V1. This peptide, used in studying the physiological role of isozymes, is most likely the PKC-selective activator and is found to be cardioprotective 9.

Regulatory functions, several enzymes and receptors are switched "on" or "off" by phosphorylation and dephosphorylation. Reversible phosphorylation results in a conformational change in the structure of enzymes and receptors, causing them to become activated or deactivated. Many phosphorylation related peptides act as a modulator of enzyme function 10.

References

1.     Levene PA, Alsberg CL (1906). The cleavage products of vitellin. JBC., 2(1):127–133.

2.     Pawson T (1994). Introduction: Protein Kinases. Faseb J., 8:1112-1113.

3.     Fischer EH, Krebs EG  (1955). Conversion of phosphorylase b to phosphorylase a in muscle extracts. JBC., 216: 121-132.

4.     Ko L, Cardona GR, Iwasaki T, Bramlett KS, Burris TP, Chin WW (2002). Ser-884 adjacent to the LXXLL motif of coactivator TRBP defines selectivity for ERs and TRs. Mol. Endocrinol., 16:128-132.

5.     Hoffert JD, Pisitkun T, Wang G, Shen RF, Knepper MA (2006). Quantitative phosphoproteomics of vasopressin-sensitive renal cells: regulation of aquaporin-2 phosphorylation at two sites. PNAS., 103(18):7159-7164.

6.     Greenstein AE, Grundner C, Echols N, Gay LM, Lombana TN, Miecskowski CA, Pullen KE, Sung PY, Alber T (2005). Structure/Function Studies of Ser/Thr and Tyr Protein Phosphorylation in Mycobacterium tuberculosis. J Mol Microbiol Biotechno., 9(3-4):167-181.

7.     Sefton BM, Hunter T (1998). Protein Phosphorylation. San Diego: Academic Press.

8.     Olsen JV, Blagoev B, Gnad F, Macek B, Kumar C, Mortensen P, Mann M (2006). Global, in vivo, and site-specific phosphorylation dynamics in signaling networks. Cell, 127(3):635–648.

9.     Brandman R, Disatnik MH, Churchill E, Mochly-Rosen D (2007). Peptides derived from the C2 domain of protein kinase C epsilon (epsilon PKC) modulate epsilon PKC activity and identify potential protein-protein interaction surfaces. J. Biol. Chem., 282(6):4113-4123.

10.  Stock JB, Ninfa AJ, Stock AM (1989). Protein phosphorylation and regulation of adaptive responses in bacteria. Microbiol. Rev., 53(4):450–490.

 

 

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Product Name Catalog # Unit Price/Unit 
2B - (A)
Biotin-RRAAEELDSRAGAPQL
12983-01 1 mg $280 cart inquire
Abl Cytosolic Substrate
EAIYAAPFAKKK
13215-01 1 mg $245 cart inquire
Abltide
KKGEAIYAAPFA-CONH2
13273-01 1 mg $120 cart inquire
Abltide TAMRA - labeled
5-TAMRA-KKGEAIYAAPFA-CONH2
13274-01 1 mg $259 cart inquire
Abltide, FAM - labeled
5-FAM-KKGEAIYAAPFA-CONH2
13275-01 1 mg $390 cart inquire
ADR1 - derived peptide
LKKLTRRASFSGQ-OH
13304-01 1 mg $220 cart inquire
ADR1 - derived peptide, FAM - labeled
5-FAM-LKKLTRRASFSGQ-OH
13303-01 1 mg $390 cart inquire
AKT/PKB/Rac - Protein Kinase Substrate [ARKRERTY - pS - FGHHA], Phosphorylated
ARKRERTY-pS-FGHHA
13070-01 1 mg $330 cart inquire
AKT/PKB/Rac - Protein Kinase Substrate [ARKRERTYSFGHHA]
ARKRERTYSFGHHA
13068-01 1 mg $235 cart inquire
AKT/PKB/Rac - Protein Kinase Substrate [ARKRERTYSFGHHA], 5 - FAM labeled
5-FAM-ARKRERTYSFGHHA
13067-01 1 mg $395 cart inquire
AKT/PKB/Rac - Protein Kinase Substrate [ARKRERTYSFGHHA], 5 - TMR labeled
5-TMR-ARKRERTYSFGHHA
13157-01 1 mg $425 cart inquire
AKT/PKB/Rac - Protein Kinase Substrate [ARKRERTYSFGHHA] Biotinylated
Biotin-ARKRERTYSFGHHA
13069-01 1 mg $138 cart inquire
AKT/PKB/Rac - Protein Kinase Substrate [ARKRERTYSFGHHA] Biotinylated
Biotin-ARKRERTYSFGHHA
13069-05 5 mg $567 cart inquire
Akt Specific Substrate Peptide, Akt/PKB
RPRAATF
13214-01 1 mg $245 cart inquire
Alternate Syntide
PLSRTLSVSSLPGL-CONH2
13257-01 1 mg $230 cart inquire
Alternate Syntide, FAM - labeled
5-FAM-PLSRTLSVSSLPGL-CONH2
13258-01 1 mg $395 cart inquire
AMARA peptide
AMARAASAAALARRR
13349-01 1 mg $120 cart inquire
AMPKtide
5-FAM-LKKLTRRASFSAQ
13271-01 1 mg $290 cart inquire
AMPKtide, FAM - labeled
5-FAM-LKKLTRRASFSAQ
13272-01 1 mg $390 cart inquire
Aquaporin - 2 (254 - 267), human
RQSVELHSPQSLPR
13236-01 1 mg $220 cart inquire
Aquaporin - 2 (254 - 267), pSER256, human
RQ-pS-VELHSPQSLPR
13237-01 1 mg $255 cart inquire
Aquaporin - 2 (254 - 267) pSER261 human
RQSVELH-pS-PQSLPR
12806-01 1 mg $122 cart inquire
Aquaporin - 2 (254 - 267), pSER261, human
RQSVELH-pS-PQSLPR
13240-01 1 mg $255 cart inquire
Aquaporin - 2 (255 - 271), human
QSVELHSPQSLPRGSKA
13238-01 1 mg $235 cart inquire
Aquaporin - 2 (255 - 271), rat
QSVELHSPQSLPRGTKA
13239-01 1 mg $235 cart inquire
Autocamtide - 2 [KKALRRQETVDAL]
KKALRRQETVDAL
12337-05 5 mg $325 cart inquire
Autocamtide - 2 [KKALRRQETVDAL]
KKALRRQETVDAL
13138-01 1 mg $215 cart inquire
Autocamtide - 2 [KKALRRQETVDAL], 5 - FAM labeled
5-FAM-KKALRRQETVDAL
13056-01 1 mg $395 cart inquire
Autocamtide - 2 [KKALRRQETVDAL], 5 - TMR labeled
5-TMR-KKALRRQETVDAL
13057-01 1 mg $425 cart inquire
Autocamtide - 2 [KKALRRQETVDAL], Biotinylated
Biotin-KKALRRQETVDAL
13055-01 1 mg $295 cart inquire
Autocamtide - 2 [KKALRRQETVDAL], Phosphorylated
KKALRRQE-pT-VDAL
13054-01 1 mg $325 cart inquire
Autocamtide - 3 [KKALHRQE - pT - VDAL], Phosphorylated
KKALHRQE-pT-VDAL
13092-01 1 mg $310 cart inquire
Autocamtide - 3 [KKALHRQETVDAL]
KKALHRQETVDAL
13091-01 1 mg $235 cart inquire
Autocamtide - 3 [KKALHRQETVDAL], 5 - FAM labeled
5-FAM-KKALHRQETVDAL
13095-01 1 mg $390 cart inquire
Autocamtide - 3 [KKALHRQETVDAL], 5 - TMR labeled
5-TMR-KKALHRQETVDAL
13094-01 1 mg $430 cart inquire
Autocamtide - 3 [KKALHRQETVDAL], Biotinylated
Biotin-KKALHRQETVDAL
13093-01 1 mg $290 cart inquire
Biotin - IkB Inhibitor, amide
Biotin-DRHDSGLDSMKD-CONH2
13128-01 1 mg $295 cart inquire
Biotin - LC - PKG Substrate 1
Biotin-LC-QKRPRRKDTP
13029-01 1 mg $290 cart inquire
Biotin - LC - Translation Initiation Factor 2B
Biotin-LC-RRAAEELDSRAGpSPQL
13136-01 1 mg $335 cart inquire
Biotin - PLSRTL - pS - VASLPGL - NH2
Biotin-PLSRTL-pS-VASLPGL-CONH2
13026-01 1 mg $300 cart inquire
Biotin - Tyrosine Kinase Peptide 1, amide
Biotin-KVEKIGEGTYGVVYK-CONH2
12989-01 1 mg $310 cart inquire
Bovine ß - Casein monophosphopeptide
FQ-pS-EEQQQTEDELQDK
13224-01 1 mg $154 cart inquire
BPDEtide [RKISASEFDRPLR]
RKISASEFDRPLR
13158-01 1 mg $245 cart inquire
BPDEtide [RKISASEFDRPLR], 5 - FAM labeled
5-FAM-RKISASEFDRPLR
13159-01 1 mg $395 cart inquire
BPDEtide [RKISASEFDRPLR], 5 - TMR labeled
5-TMR-RKISASEFDRPLR
13160-01 1 mg $435 cart inquire
BPDEtide [RKISASEFDRPLR], Biotinylated
Biotin-RKISASEFDRPLR
13161-01 1 mg $345 cart inquire
BTK derived peptide
KKVVALYDYMPMN-CONH2
13253-01 1 mg $230 cart inquire
BTK derived peptide, FAM - labeled
5-FAM-KKVVALYDYMPMN-CONH2
13254-01 1 mg $390 cart inquire
ε - C2/V1 (49 - 53), ε PKC, C2 Domain (49 - 53)
SRIGQ
13333-01 1 mg $200 cart inquire
ε - C2/V1, ε PKC, C2 Domain (119 - 124)
LEPEGK
13334-01 1 mg $205 cart inquire
Calcineurin Autoinhibitory Fragment
ITSFEEAKGLDRINERMPPRRDAMP
12991-01 1 mg $300 cart inquire
Calcineurin (PP2B) Substrate [DLDVPIPGRFDRRV - pS - VAAE]
DLDVPIPGRFDRRV-pS-VAAE
13002-01 1 mg $445 cart inquire
Calcineurin (PP2B) Substrate [DLDVPIPGRFDRRV - pS - VAAE], 5 - FAM labeled
5-FAM-DLDVPIPGRFDRRV-pS-VAAE
13081-01 1 mg $450 cart inquire
Calcineurin (PP2B) Substrate [DLDVPIPGRFDRRV - pS - VAAE], 5 - TMR labeled
5-TMR-DLDVPIPGRFDRRV-pS-VAAE
13082-01 1 mg $495 cart inquire
Calcineurin (PP2B) Substrate [DLDVPIPGRFDRRV - pS - VAAE], Biotinylated
Biotin-DLDVPIPGRFDRRV-pS-VAAE
13080-01 1 mg $440 cart inquire
Calcineurin (PP2B) Substrate [DLDVPIPGRFDRRVSVAAE], Non - Phosphorylated
DLDVPIPGRFDRRVSVAAE
12961-01 1 mg $270 cart inquire
Calcium/Calmodulin Dependent Protein Kinase II - g (345 - 358)
KSDGGVKKRKSSSS
12962-01 1 mg $225 cart inquire
Calmodulin - Dependent Protein Kinase II (281 - 289)
MHRQETVDC
12946-01 1 mg $180 cart inquire
Calmodulin - Dependent Protein Kinase II (281 - 309)
MHRQETVDCLKKFNARRKLKGAILTTMLA
12947-01 1 mg $310 cart inquire
Calmodulin - Dependent Protein Kinase II (290 - 309)
LKKFNARRKLKGAILTTMLA
12943-01 1 mg $250 cart inquire
CaM Kinase II Substrate 281 - 291 [MHRQE - pT - VDCLK - NH2], Phosphorylated
MHRQE-pT-VDCLK-CONH2
13079-01 1 mg $300 cart inquire
CaM Kinase II Substrate 281 - 291 [MHRQETVDCLK - NH2], 5 - FAM labeled
5-FAM-MHRQETVDCLK-CONH2
13077-01 1 mg $390 cart inquire
CaM Kinase II Substrate 281 - 291 [MHRQETVDCLK - NH2], 5 - TMR labeled
5-TMR-MHRQETVDCLK-CONH2
13076-01 1 mg $430 cart inquire
CaM Kinase II Substrate 281 - 291 [MHRQETVDCLK - NH2], Biotinylated
Biotin-MHRQETVDCLK-NH2
13078-01 1 mg $290 cart inquire
cAMP - Dependent Protein Kinase Inhibitor (5 - 22), amide, Wiptide
TTYADFIASGRTGRRNAI-CONH2
12945-01 1 mg $210 cart inquire
cAMP - Dependent Protein Kinase Inhibitor, PKI - tide
IAAGRTGRRQAIHDILVAA
12944-01 1 mg $210 cart inquire
cAMP Dependent Protein Kinase Substrate
RRKASGP
12959-01 1 mg $180 cart inquire
Casein Kinase 2 (CK2) Substrate a - subunit
RRRDDDSDDD
13217-01 1 mg $116 cart inquire
Casein Kinase II Receptor Peptide
RREEETEEE
12948-01 1 mg $190 cart inquire
Casein Kinase II Substrate
RRREEETEEE
12999-01 1 mg $230 cart inquire
Casein Kinase II Substrate [RRADDSDDDDD]
RRADDSDDDDD
13188-01 1 mg $245 cart inquire
Casein Kinase II Substrate [RRADDSDDDDD], 5 - FAM labeled
5-FAM-RRADDSDDDDD
13189-01 1 mg $395 cart inquire
Casein Kinase II Substrate [RRADDSDDDDD], 5 - TMR labeled
5-TMR-RRADDSDDDDD
13190-01 1 mg $435 cart inquire
Casein Kinase II Substrate [RRADDSDDDDD], Biotinylated
Biotin-RRADDSDDDDD
13191-01 1 mg $295 cart inquire
Casein Kinase II Substrate [RRADDSDDDDD], Phosphorylated
RRADD-pS-DDDDD
13192-01 1 mg $345 cart inquire
Casein Kinase I Substrate [RRKDLHDDEEDEAMSITA]
RRKDLHDDEEDEAMSITA
13198-01 1 mg $245 cart inquire
Casein Kinase I Substrate [RRKDLHDDEEDEAMSITA], 5 - FAM labeled
5-FAM-RRKDLHDDEEDEAMSITA
13199-01 1 mg $395 cart inquire
Casein Kinase I Substrate [RRKDLHDDEEDEAMSITA], 5 - TMR labeled
5-TMR-RRKDLHDDEEDEAMSITA
13200-01 1 mg $425 cart inquire
Casein Kinase I Substrate [RRKDLHDDEEDEAMSITA], Biotinylated
Biotin-RRKDLHDDEEDEAMSITA
13201-01 1 mg $325 cart inquire
Cathepsin D and E FRET Substrate
Mca - GKPILFFRLK(Dnp) - r - NH2
14524-01 1 mg $138 cart inquire
Cathepsin K substrate
Abz - HPGGPQ - EDDnp
14831-001 0.1 mg $120 cart inquire
CDC25C
KKKVSRSGLYRSPSMPENLNRPR
13218-01 1 mg $395 cart inquire
Cdc25C - derived peptide
5-FAM-VSRSGLYRSPSMPENLNRPR-OH
13251-01 1 mg $250 cart inquire
CDc25C - derived peptide, FAM - labeled
5-FAM-VSRSGLYRSPSMPENLNRPR-OH
13252-01 1 mg $370 cart inquire
Cdc2 Substrate
Ac-SPGRRRRK
13046-01 1 mg $295 cart inquire
CDK5 Substrate [PK - pT - PKKAKKL], Phosphorylated
PK-pT-PKKAKKL
13100-01 1 mg $300 cart inquire
CDK5 Substrate [PKTPKKAKKL]
PKTPKKAKKL
13117-01 1 mg $120 cart inquire
CDK5 Substrate [PKTPKKAKKL], 5 - FAM labeled
5-FAM-PKTPKKAKKL
13098-01 1 mg $330 cart inquire
CDK5 Substrate [PKTPKKAKKL], 5 - TMR labeled
5-TMR-PKTPKKAKKL
13099-01 1 mg $365 cart inquire
CDK5 Substrate [PKTPKKAKKL], Biotinylated
Biotin-PKTPKKAKKL
13118-01 1 mg $240 cart inquire
CDK7/9 tide
YSPTSPSYSPTSPSYSPTSPSKKKK
14832-01 1 mg $193 cart inquire
CDK7tide
YSPTSPSYSPTSPSYSPTSPS
13282-01 1 mg $270 cart inquire
CDK7tide derived peptide, FAM - labeled
5-FAM-FLAKSFGSPNRAYKK-OH
13284-01 1 mg $345 cart inquire
CDK7tide, TAMRA labeled
5-TAMRA-YSPTSPSYSPTSPSYSPTSPS
13283-01 1 mg $395 cart inquire
CDPKS, Syntide analog
PLRRTLSVAA
13263-01 1 mg $225 cart inquire
CK1tide
HAAIGDDDDAYSITS-CONH2
13290-01 1 mg $225 cart inquire
CK1tide
5-TAMRA-HAAIGDDDDAYSITS-CONH2
13291-01 1 mg $365 cart inquire
CK2tide, FAM - labeled
5-FAM-RRRADDSDDDDD-CONH2
13294-01 1 mg $340 cart inquire
CREB2 (91 - 116)
ESEDSQESVDSVTDSQKRREILSRRP
13229-01 1 mg $325 cart inquire
CREB327 (113 - 126)
ILSRRPSYRKILND
13230-01 1 mg $230 cart inquire
CREBtide
GEILSRRPSYRK-CONH2
13292-01 1 mg $210 cart inquire
CREBtide, FAM - labeled
5-FAM-GEILSRRPSYRK-CONH2
13293-01 1 mg $330 cart inquire
CREBtide [KRREILSRRPSYR]
KRREILSRRPSYR
13162-01 1 mg $245 cart inquire
CREBtide [KRREILSRRPSYR] 5 - FAM labeled
5-FAM-KRREILSRRPSYR
13154-01 1 mg $242 cart inquire
CREBtide [KRREILSRRPSYR] 5 - FAM labeled
5-FAM-KRREILSRRPSYR
13154-05 5 mg $980 cart inquire
CREBtide [KRREILSRRPSYR] 5 - TMR labeled
5-TMR-KRREILSRRPSYR
13163-01 1 mg $242 cart inquire
CREBtide [KRREILSRRPSYR], Biotinylated
Biotin-KRREILSRRPSYR
12988-01 1 mg $295 cart inquire
CREBtide [KRREILSRRPSYR] Phosphorylated C - term
KRREILSRRPS-pY-RK
12224-01 1 mg $188 cart inquire
CREBtide [KRREILSRRPSYR] Phosphorylated C - term K
KRREILSRRPS-pY-RK
13019-01 1 mg $188 cart inquire
CREBtide [KRREILSRRPSYR], Phosphorylated, C - term KC
KRREILSRRP-pS-YRKC
13036-01 1 mg $310 cart inquire
Crosstide [GRPRTSSFAEG]
GRPRTSSFAEG
13124-01 1 mg $205 cart inquire
Crosstide [GRPRTSSFAEG]
GRPRTSSFAEG
13124-05 5 mg $276 cart inquire
Crosstide [GRPRTSSFAEG], 5 - FAM labeled
5-FAM-GRPRTSSFAEG
13153-01 1 mg $345 cart inquire
Crosstide [GRPRTSSFAEG], 5 - TMR labeled
5-TMR-GRPRTSSFAEG
13139-01 1 mg $395 cart inquire
Crosstide [GRPRTSSFAEG], Biotinylated
Biotin-GRPRTSSFAEG
13165-01 1 mg $295 cart inquire
CT11 - F, FAM labeled
5-FAM-DLLRCRVLTSG
13314-01 1 mg $325 cart inquire
DAM1 [221 - 241] peptide
SFVLNPTNIGM-pS-KSSQGHVTK
13228-01 1 mg $330 cart inquire
delta PKC (8 - 17) PKC d Inhibitor
SFNSYELGSL
14423-01 1 mg $120 cart inquire
Dictyostelium Myosin II Heavy Chain, MH - 1 (2020 - 2035)
RKKFGESEKTKTKEFL
13322-01 1 mg $230