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General Information
- Evidence
- Gene
- mRNA
- CDS
- Protein
- PTM
- Enzyme
- PPi
- Pathway
- Structural
- Domain
- Ontology
- SNP
- Drug
- External Links
Evidence Information
| Pubmed ID | Year | Sample Information | Techniques | Mechanism | Fold Change | Remark |
|---|---|---|---|---|---|---|
| 22996610    | 2012 | Cell line : - Source : - Sample Type : - No. of Sample : - Stage : - | - | Up-regulation | - | This study provides evidence for cytokeratin 18 (CK18) as a prognostic and PD biomarker in patients with CRC and supports continued deployment of circulating CK18 in biomarker-enhanced trials. |
Gene Details

| Gene Type | protein coding |
|---|---|
| Gene Family | Intermediate filaments type I, keratins (acidic) |
| Description | KRT18 encodes the type I intermediate filament chain keratin 18. Keratin 18, together with its filament partner keratin 8, are perhaps the most commonly found members of the intermediate filament gene family. They are expressed in single layer epithelial tissues of the body. Mutations in this gene have been linked to cryptogenic cirrhosis. Two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2008]   | Chromosome | 12 |
| Location | 12q13 |
| Start | 52948871   |
| End | 52952901   |
| Strand | +   |
| Gene Sequence |    Download   Select all |
| Length | 4031   |
| OMIM ID | 148070    |
| HGNC ID | HGNC:6430    |
| Unigene ID | Hs.406013     |
| Ensembl ID | ENSG00000111057    |
| PharmGKB ID | -    |
mRNA Information
| mRNA ID | NM_001256293.1 |
|---|---|
| Exon | complement(845..996)   | mRNA Sequence |    Download   Select all |
| Length | 1439   |
CDS Information
| Location | join(304..720,1458..1540,1880..2036,2611..2775,2861..2986, 3249..3472,3852..3972) |
|---|---|
| CDS Sequence |    Download   Select all |
| CCDS ID | CCDS31809.1 |    
Protein Information
| Protein ID | NP_000215.1 |
|---|---|
| Protein Name | Keratin 18 |
| Molecular Wt. (Da) | 47927 |
| Protein Sequence |    Download   Select all |
| Length | 430   |
| Uniprot ID | Q08722 |    
| Ensembl Protein ID | ENSP00000347512   |    
Post-translational Modification Information (Source : HPRD)
| Residue | Type | site |
|---|---|---|
| S | Glycosylation | 30 |
| S | Glycosylation | 31 |
| S | Glycosylation | 49 |
| S | Glycosylation | 30 |
| S | Glycosylation | 31 |
| S | Glycosylation | 49 |
| S | Phosphorylation | 53 |
| S | Phosphorylation | 53 |
| S | Phosphorylation | 53 |
| S | Phosphorylation | 53 |
| D | Proteolytic Cleavage | 238 |
| D | Proteolytic Cleavage | 238 |
| S | Phosphorylation | 34 |
| S | Phosphorylation | 53 |
| D | Proteolytic Cleavage | 238 |
| S | Phosphorylation | 34 |
| S | Phosphorylation | 53 |
| S | Phosphorylation | 53 |
| S | Phosphorylation | 53 |
| D | Proteolytic Cleavage | 238 |
| D | Proteolytic Cleavage | 238 |
| D | Proteolytic Cleavage | 397 |
| D | Proteolytic Cleavage | 397 |
| D | Proteolytic Cleavage | 238 |
| Y | Phosphorylation | 13;- |
| Y | Phosphorylation | 13;- |
| S | Phosphorylation | 399;- |
| S | Phosphorylation | 399;- |
| T | Phosphorylation | 65;- |
| T | Phosphorylation | 65;- |
| S | Phosphorylation | 7 |
| S | Phosphorylation | 7 |
| T | Phosphorylation | 8 |
| T | Phosphorylation | 8 |
| S | Phosphorylation | 10 |
| S | Phosphorylation | 10 |
| S | Phosphorylation | 15 |
| S | Phosphorylation | 15 |
| S | Phosphorylation | 18 |
| S | Phosphorylation | 18 |
| S | Phosphorylation | 23 |
| S | Phosphorylation | 23 |
| Y | Phosphorylation | 24 |
| Y | Phosphorylation | 24 |
| S | Phosphorylation | 31 |
| S | Phosphorylation | 31 |
| Y | Phosphorylation | 36 |
| Y | Phosphorylation | 36 |
| S | Phosphorylation | 42 |
| S | Phosphorylation | 42 |
| S | Phosphorylation | 51 |
| S | Phosphorylation | 51 |
| T | Phosphorylation | 52 |
| T | Phosphorylation | 52 |
| S | Phosphorylation | 60 |
| S | Phosphorylation | 60 |
| S | Phosphorylation | 398 |
| S | Phosphorylation | 398 |
| S | Phosphorylation | 401 |
| S | Phosphorylation | 401 |
| S | Phosphorylation | 47 |
| S | Phosphorylation | 47 |
| T | Phosphorylation | 404 |
| T | Phosphorylation | 404 |
| S | Phosphorylation | 44 |
| S | Phosphorylation | 44 |
| S | Phosphorylation | 420 |
| S | Phosphorylation | 420 |
| S | Phosphorylation | 100 |
| S | Phosphorylation | 100 |
| K | Acetylation | 426 |
| K | Acetylation | 426 |
| K | Acetylation | 131 |
| K | Acetylation | 131 |
| K | Acetylation | 167 |
| K | Acetylation | 167 |
| K | Acetylation | 111 |
| K | Acetylation | 111 |
| K | Acetylation | 214 |
| K | Acetylation | 214 |
| S | Phosphorylation | 305 |
| S | Phosphorylation | 305 |
| T | Phosphorylation | 425 |
| T | Phosphorylation | 425 |
| T | Phosphorylation | 11 |
| T | Phosphorylation | 11 |
| T | Phosphorylation | 302 |
| T | Phosphorylation | 302 |
| S | Phosphorylation | 49 |
| S | Phosphorylation | 49 |
| S | Phosphorylation | 127 |
| S | Phosphorylation | 127 |
| S | Phosphorylation | 177 |
| S | Phosphorylation | 177 |
| S | Phosphorylation | 319 |
| S | Phosphorylation | 319 |
| S | Phosphorylation | 30 |
| S | Phosphorylation | 30 |
Enzyme Information
No matching records could be found.
PPi Information
(Click to view network : Source STRING)      View   
| Interactant Gene ID (Source: HPRD) | Gene Symbol | HPRD ID | Ref Seq ID | Technique | References |
|---|---|---|---|---|---|
| 836 |    CASP3 |    2799 |    NP_004337.2 |    in vitro |    11   356   849   929   899   200   000   000    |
| 839 |    CASP6 |    3321 |    NP_001217.2 |    in vitro |    9298992    |
| 840 |    CASP7 |    3457 |    NP_203124.1 |    in vitro |    9298992    |
| 841 |    CASP8 |    3459 |    NP_001073594.1 |    in vitro |    10891503    |
| 1308 |    COL17A1 |    223 |    NP_000485.3 |    in vitro;yeast 2-hybrid |    10022517    |
| 1956 |    EGFR |    579 |    NP_005219.2 |    in vitro;in vivo |    12577067    |
| 3303 |    HSPA1A |    774 |    NP_005336.3 |    in vitro |    7529764    |
| 3309 |    HSPA5 |    682 |    NP_005338.1 |    in vivo |    9409741    |
| 3852 |    KRT5 |    1010 |    NP_000415.2 |    in vivo |    9786957    |
| 3856 |    KRT8 |    1015 |    NP_002264.1 |    in vivo |    9630597    |
| 5894 |    RAF1 |    1265 |    NP_002871.1 |    in vivo |    15314064    |
| 7283 |    TUBG1 |    1853 |    NP_001061.2 |    in vivo |    10444072    |
| 7533 |    YWHAH |    215 |    NP_003396.1 |    in vivo |    9524113    |
| 9146 |    HGS |    5085 |    NP_004703.1 |    yeast 2-hybrid |    16189514    |
| 11007 |    CCDC85B |    16101 |    NP_006839.2 |    yeast 2-hybrid |    16189514    |
| 23641 |    LDOC1 |    2322 |    NP_036449.1 |    yeast 2-hybrid |    16189514    |
| 27229 |    TUBGCP4 |    10616 |    NP_055259.2 |    yeast 2-hybrid |    16189514    |
| 29922 |    NME7 |    11394 |    NP_037462.1 |    yeast 2-hybrid |    16189514    |
| 149371 |    EXOC8 |    9943 |    NP_787072.2 |    yeast 2-hybrid |    16189514    |
Pathway Information
| Pathway Name | Pathway ID |
|---|---|
| Pathogenic Escherichia coli infection |    hsa05130 |    
Structure Information
No matching records could be found.
Domain Information
| ID | Location | Description |
|---|---|---|
| TIGR00219 | 148-290  | mreC |
| cl19252 | 148-290  | MreC superfamily |
| pfam00038 | 79-389  | Filament |
| TIGR02168 | 179-386  | SMC_prok_B |
| COG1196 | 67-376  | Smc |
| COG1196 | 77-389  | Smc |
| TIGR02168 | 59-377  | SMC_prok_B |
| TIGR02168 | 133-389  | SMC_prok_B |
| TIGR02169 | 61-393  | SMC_prok_A |
| TIGR02169 | 167-376  | SMC_prok_A |
| COG1196 | 175-386  | Smc |
| TIGR02168 | 190-390  | SMC_prok_B |
| TIGR02168 | 185-414  | SMC_prok_B |
| COG1196 | 77-338  | Smc |
| PRK02224 | 81-330  | PRK02224 |
| pfam05622 | 81-361  | HOOK |
| PRK03918 | 74-391  | PRK03918 |
| smart00787 | 196-385  | Spc7 |
| TIGR02169 | 162-386  | SMC_prok_A |
| pfam05483 | 77-329  | SCP-1 |
| TIGR04523 | 77-379  | Mplasa_alph_rch |
| pfam01576 | 77-397  | Myosin_tail_1 |
| COG1196 | 264-386  | Smc |
| PRK10361 | 268-368  | PRK10361 |
| pfam13514 | 81-385  | AAA_27 |
| COG1579 | 273-385  | COG1579 |
| PTZ00491 | 280-381  | PTZ00491 |
| TIGR02169 | 76-362  | SMC_prok_A |
| COG0419 | 77-390  | SbcC |
| COG4942 | 175-367  | EnvC |
Ontology Information
| HPRD ID | 825 |    
|---|---|
| Molecular Class | Cytoskeletal protein |
| Molecular Function | MHC class I receptor activity (GO:0030106); MHC class II receptor activity (GO:0045012) |
| Biological Process | Immune response (GO:0006955)   |
Drug Information
No matching records could be found.
External Links
| ArrayExpress | GO |    
|---|---|
| ICGC | GO |    
| Cancer3D | GO |    
| COSMIC | GO |    
| NCG | GO |    
| TSGene | GO |    
| Tumor Gene Family of Databases | GO |    
| CCDB | GO |    
| G2SBC | GO |    
| Osteosarcoma Database | GO |    
| RCDB | GO |    
