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Overview

Uniprot IDP01116
Protein NameGTPase KRas
Gene NameKRAS
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
117 PMVLVGNKCDLPSRT
128 PSRTVDTKQAQDLAR

Function

Signal transducer in the Ras-MAPK signaling pathway that regulates cell proliferation and survival (PubMed:22711838, PubMed:23698361). Ras proteins bind GDP/GTP and possess intrinsic GTPase activity (PubMed:20949621, PubMed:39809765). Activates MAPK1/MAPK3 resulting in phosphorylation and ultimately degradation of GJA1 (By similarity). Plays a role in promoting oncogenic events by inducing transcriptional silencing of tumor suppressor genes (TSGs) in colorectal cancer (CRC) cells in a ZNF304-dependent manner (PubMed:24623306). Recognized by LZTR1 that mediates its ubiquitination by a BCR (BTB-CUL3-RBX1) E3 ubiquitin-protein ligase complex (PubMed:40934300)

Protein Sequence

10 MTEYKLVVVG 20 AGGVGKSALT 30 IQLIQNHFVD 40 EYDPTIEDSY 50 RKQVVIDGET 60 CLLDILDTAG 70 QEEYSAMRDQ 80 YMRTGEGFLC 90 VFAINNTKSF 100 EDIHHYREQI 110 KRVKDSEDVP 120 MVLVGNKCDL 130 PSRTVDTKQA 140 QDLARSYGIP 150 FIETSAKTRQ 160 RVEDAFYTLV 170 REIRQYRLKK 180 ISKEEKTPGC VKIKKCIIM

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0009898 cytoplasmic side of plasma membrane
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005789 endoplasmic reticulum membrane
Cellular Component GO:0005925 focal adhesion
Cellular Component GO:0000139 Golgi membrane
Cellular Component GO:0016020 membrane
Cellular Component GO:0005741 mitochondrial outer membrane
Cellular Component GO:0005886 plasma membrane
Molecular Function GO:0003925 G protein activity
Molecular Function GO:0019003 GDP binding
Molecular Function GO:0019002 GMP binding
Molecular Function GO:0005525 GTP binding
Molecular Function GO:0003924 GTPase activity
Molecular Function GO:0042802 identical protein binding
Molecular Function GO:0030275 LRR domain binding
Molecular Function GO:0044877 protein-containing complex binding
Molecular Function GO:0043495 protein-membrane adaptor activity
Biological Process GO:0060038 cardiac muscle cell proliferation
Biological Process GO:0019221 cytokine-mediated signaling pathway
Biological Process GO:0007565 female pregnancy
Biological Process GO:0001889 liver development
Biological Process GO:0000165 MAPK cascade
Biological Process GO:0051450 myoblast proliferation
Biological Process GO:0008284 positive regulation of cell population proliferation
Biological Process GO:2000774 positive regulation of cellular senescence
Biological Process GO:0010628 positive regulation of gene expression
Biological Process GO:0046579 positive regulation of Ras protein signal transduction
Biological Process GO:0007265 Ras protein signal transduction
Biological Process GO:0051384 response to glucocorticoid
Biological Process GO:0009629 response to gravity
Biological Process GO:0035900 response to isolation stress
Biological Process GO:0051385 response to mineralocorticoid

Reference

[1] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.

[2] Shi CM, Wang QC, Li XL, Yang YH, Tang XY et al.. Global Profiling of Protein Lactylation in Human Hippocampi.. Proteomics Clin Appl 19(2):e202400061. 2025 Mar. PMID: 39610256.