Recombinant Human Ras-related protein Rap-1A(RAP1A)

Code CSB-YP019321HU
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Source Yeast
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Code CSB-EP019321HU
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Source E.coli
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Code CSB-EP019321HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP019321HU
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Source Baculovirus
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Code CSB-MP019321HU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names RAP1A
Uniprot No. P62834
Alternative Names C21KG; G 22K; G-22K; GTP binding protein smg p21A; GTP-binding protein smg p21A; KREV 1; KREV1; OTTHUMP00000013741; RAP 1A; RAP1; RAP1A; RAP1A member of RAS oncogene family; RAP1A_HUMAN; Ras related protein Krev 1; Ras related protein Rap 1A; RAS related protein RAP1A; Ras-related protein Krev-1; Ras-related protein Rap-1A; SMGP21
Species Homo sapiens (Human)
Expression Region 1-181
Target Protein Sequence MREYKLVVLG SGGVGKSALT VQFVQGIFVE KYDPTIEDSY RKQVEVDCQQ CMLEILDTAG TEQFTAMRDL YMKNGQGFAL VYSITAQSTF NDLQDLREQI LRVKDTEDVP MILVGNKCDL EDERVVGKEQ GQNLARQWCN CAFLESSAKS KINVNEIFYD LVRQINRKTP VEKKKPKKKS C
Protein Length Full length protein
Tag Info The following tags are available.
N-terminal His-tagged
Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Data

Function Induces morphological reversion of a cell line transformed by a Ras oncogene. Counteracts the mitogenic function of Ras, at least partly because it can interact with Ras GAPs and RAF in a competitive manner. Together with ITGB1BP1, regulates KRIT1 localization to microtubules and membranes. Plays a role in nerve growth factor (NGF)-induced neurite outgrowth. Plays a role in the regulation of embryonic blood vessel formation. Involved in the establishment of basal endothelial barrier function. May be involved in the regulation of the vascular endothelial growth factor receptor KDR expression at endothelial cell-cell junctions.
Gene References into Functions
  1. HL-60 neutrophil-like cells expressing Rap1a(G12V) or Radil have an elongated phenotype because of enhanced uropod adhesion as they attempt to migrate on fibronectin. This elongated phenotype driven by Rap1a(G12V) or Radil is reversed by Galphai1(Q204L), but not by WT Galphai1 expression, suggesting that Galphai-GTP also regulates adhesion in immune cells at the level of, or downstream of, Radil. PMID: 29259127
  2. Study identifies Epac2-Rap1 signaling as a novel feedback mechanism in the heart, which controls mitochondrial reactive oxygen species production. PMID: 27649969
  3. Data show that the Epac-Rap1 signaling axis is involved in triapine resistance. PMID: 27602951
  4. Ubc9 is an essential regulator of ADAP where it is required for TCR-induced membrane recruitment of the small GTPase Rap1 and its effector protein RapL. PMID: 29127148
  5. These findings provide the first evidence linking Rap1A with ovarian cancer development through the ERK/p38 and Notch signaling pathways, indicating that Rap1A may be used as a novel diagnostic marker or a therapeutic target for ovarian cancer. PMID: 27925454
  6. High RAP1 expression is associated with neuroblastoma. PMID: 28456710
  7. Rap1 mediates the effects of increased extracellular tension in multiple ways that are capable of contributing to tumor progression when dysregulated. PMID: 27199371
  8. Novel mutations in RASGRP2, which encodes CalDAG-GEFI, abrogate Rap1 activation, causing platelet dysfunction PMID: 27235135
  9. Unlike Rap1B, phosphorylation in the polybasic region of Rap1A does not detectably inhibit its prenylation or its binding to SmgGDS-607. PMID: 27760305
  10. SHANK1 and SHANK3 act as integrin activation inhibitors by sequestering active Rap1 and R-Ras via the SPN domain and thus limiting their bioavailability at the plasma membrane. PMID: 28263956
  11. These results suggest that Rap1 activation of ERKs requires PKA phosphorylation and KSR binding. PMID: 28003362
  12. These data suggested that HBV-infection could up-regulate the expression of miR-203a, thus down regulated the expression of Rap1a. PMID: 27780730
  13. Studies indicate that Rap interacting proteins decide the subcellular localization of Rap, and the interaction modes with downstream Rap effectors. PMID: 27322838
  14. These findings provide further evidence that a crucial role for miR-203 in inhibiting metastasis of PCa through the suppression of Rap1A expression. PMID: 25636908
  15. Our findings suggest that RAP1 may be a useful biomarker for the diagnosis of ical intraepithelial neoplasia . PMID: 25856570
  16. RAP1-mediated MEK/ERK pathway defects in Kabuki syndrome. PMID: 26280580
  17. Rap1 knockdown attenuates prostacyclin (PC)-induced vascular endothelial cell (EC) monolayer recovery. PMID: 25545047
  18. Data indicate that through GTPase-activating proteins ArhGAP29 complex formation Rap1 GTP-binding protein spatially restricts Rho-mediated signaling, which is necessary for endothelial barrier potentiation. PMID: 25963656
  19. The direct interaction between Zscan4 and Rap1 may explain how Zscan4 rapidly increases telomere length, yielding important information about the role of these proteins in telomere biology. PMID: 24840609
  20. Phosphorylation of synaptic GTPase-activating protein (synGAP) by Ca2+/calmodulin-dependent protein kinase II (CaMKII) and cyclin-dependent kinase 5 (CDK5) alters the ratio of its GAP activity toward Ras and Rap GTPases. PMID: 25533468
  21. crystal structure of an active, GTP-bound GTPase domain of Rap1 in complex with the Ras association (RA)-pleckstrin homology (PH) structural module of RIAM at 1.65 A, is reported. PMID: 24287201
  22. a model by which the small GTPase Rap1 could regulate aES assembly/remodelling. PMID: 24719879
  23. basal levels of Rap1 activity holds up cell adhesion, whereas sequential regulation of C3G and GAP by IGF-IR reverses the labile Rap1 function from supporting adhesion to promoting migration. PMID: 25028810
  24. a Rap1A/beta1 integrin pathway, activated downstream of G-protein-coupled receptor stimulation and RhoA, in glioblastoma cell proliferation. PMID: 24790104
  25. optimal cell migration is associated with cycles of Rap1 activation, membrane egress, and inactivation, and requires the regulated phosphorylation of Rap1 by PKA PMID: 23946483
  26. these studies extend of alpha2C-ARs is mediated through Rap1-filamin signaling. Perturbation of this signaling pathway may lead to alterations in alpha2C-AR trafficking and physiological function. PMID: 23864608
  27. These data show that HEG1 can recruit the Rap1-KRIT complex to the plasma membrane. PMID: 23814056
  28. Data indicate that Epac1-Rap1A-RhoA-ROCK signaling affects Cl- secretion via effects on the apical expression of KCNN4c channels. PMID: 23720748
  29. endothelial barrier resistance is determined by the combined antagonistic actions of Rap1 and Rap2 PMID: 23469100
  30. High Rap1A expression is associated with invasive breast tumors. PMID: 23405264
  31. the Aurora-A/Rap-1A pathway is associated with survival, tumor progression, and metastasis of oral cavity squamous cell carcinoma patients. PMID: 23219753
  32. Syndecan-1 restrains migration in lung epithelium by activating Rap1 to slow focal adhesion disassembly. PMID: 22899717
  33. Studies indicate that Radil regulates neutrophil adhesion and motility by linking Rap1 to beta2-integrin activation. +++ ERROR +++ studies establish that Radil regulates neutrophil adhesion and motility by linking Rap1 to beta2-integrin activation. PMID: 23097489
  34. Constitutive Rap1 activation in human prostate tumor cells promotes hypoxic induction of VEGF and angiogenesis, and PKA antagonizes this effect. PMID: 23166790
  35. This article discusses the role of RAP1 and Rap1GAP in squamous cell carcinoma of the head and neck progression in the context of a microRNA-oncogene-tumor suppressor gene axis. PMID: 22684501
  36. the PI3 kinase/Rap1 pathway is intrinsically impaired in platelets from JAK2V617F-positive essential thrombocythemia patients, resulting in diminished thrombin and thrombopoietin-mediated integrin alpha(IIb)beta(3) activation PMID: 23243278
  37. It was shown that the kinesin KIF14 associates with the PDZ domain of Radil and negatively regulates Rap1-mediated inside-out integrin activation by tethering Radil on microtubules. PMID: 23209302
  38. High RAP1A expression is associated with esophageal squamous cell carcinoma. PMID: 22859270
  39. The identification of a miR-337-3p as a modulator of cellular response to taxanes, and STAT3 and RAP1A as regulatory targets which mediate that response. PMID: 22723956
  40. Abl family kinases modulate T cell-mediated inflammation and chemokine-induced migration through the adaptor HEF1 and the GTPase Rap1. PMID: 22810897
  41. Structural basis for small G protein effector interaction of Ras-related protein 1 (Rap1) and adaptor protein Krev interaction trapped 1 (KRIT1) PMID: 22577140
  42. cAMP induces a conformational change in Epac1 that enables DEP domain-mediated binding to phosphatidic acid, resulting in the tethering of Epac1 at the plasma membrane and subsequent activation of Rap PMID: 22343288
  43. farnesylthiosalicylic acid-amide inhibits contact sensitivity through Rap1 inhibition PMID: 21716322
  44. Epac1 is expressed in human neutrophils and is involved in cAMP-dependent regulation of Rap1. However, the loading of GTP on Rap1 per se is not sufficient to promote activation of beta2 integrins. PMID: 21750123
  45. These results demonstrate a distinct physiological role for Ser(756) of beta2 integrin, in conjunction with the actions of talin and Rap1, during alphaMbeta2 activation in macrophages. PMID: 21605078
  46. For the first time, a role has been shown for Rap1-mediated association between adherens junction and tight junction complexes in the 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphorylcholine-induced pulmonary vascular endothelial cell barrier protection. PMID: 21520057
  47. Rap1A binds the tumor suppressor Ras association domain family 1A (RASSF1A) in a manner that is regulated by phosphorylation of RASSF1A PMID: 21468893
  48. cAMP-responsive Rap1 guanine nucleotide exchange factor, Epac, induces smooth muscle relaxation by down-regulation of RhoA activity PMID: 21454546
  49. PA and Rap1 cooperatively regulate RA-RhoGAP activity for promoting neurite outgrowth. PMID: 21169361
  50. Results indicate that guanine nucleotide exchange and interactions with SmgGDS splice variants can regulate the entrance and passage of PBR-possessing small GTPases through the prenylation pathway. PMID: 20709748

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Subcellular Location Cell membrane, Lipid-anchor, Cytoplasm, Cytoplasm, perinuclear region, Cell junction, Early endosome
Protein Families Small GTPase superfamily, Ras family
Database Links

HGNC: 9855

OMIM: 179520

KEGG: hsa:5906

STRING: 9606.ENSP00000348786

UniGene: Hs.190334

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