General information | DisProt: | DP00361 | Name: | XO lethal protein 1 [Isoform b] | Synonym(s): | XOL1_CAEEL
XOL-1 protein
Early switch protein xol-1 2.2k splice form
| First appeared in release: | Release 1.1 (12/01/2003) | UniProt: | Q23229-1 | UniGene: | Cel.19778 | SwissProt: | XOL1_CAEEL | TrEMBL: | | NCBI (GI): | 74966653 | Source organism: | Caenorhabditis elegans | Sequence length: | 417 | Percent disordered: | 6% | Homologues: | |
Native sequence |
10 20 30 40 50 60 | | | | | | MQVEANSERR VKILGIDRSE NSPVLTYMET EDDPNFRNSK LAAAPHTVHM MDSGFLAINR - 60 QCLVKGKAIL AREPKSSNEH MIDDLPKHAH DQHTLSILRD FIDQLKLHNV YEINFYDPLD - 120 SSGKLAVIPM LIALWKCMLA SETDICDQEV LKSIMNSVIA KFELQIPCKN AVIDATLSGS - 180 REEVHIIAED GSLENSNGTT EHFNKKHDLV FVKTDLHPED FTPQMFPSQA KAKLLRDAFN - 240 NEEDEDTFPD ILVPAYMTAH SKNRVRQEDY TCLEVEFDSQ VALEKLMNEH EQVEGFEVQQ - 300 GGILVALKKD SFFDDELIEK IAIAIATESR QSVSSVSFDL LKLGPGASLV TLANSRRFEP - 360 ECRVVLQIEV KPVSPGETSS EGISDEHHYE EYDEDDIMEE EEAPSARQDD TYDEDEE
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Functional narrative |
Acts as a primary sex-determining factor that promotes sexual differentiation. Absolutely required for proper sexual differentiation and male viability. High expression during gastrulation triggers male development, while low expression at that time triggers hermaphrodite development. Although related to GHMP kinase, its mode of action remains unclear.
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Map of ordered and disordered regions |


Note: 'Mouse' over a region to see the start and stop residues. Click on a region to see detailed information.
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Region 1 | Type: | Disordered | Name: | | Location: | 1 - 7 | Length: | 7 | Region sequence: |
MQVEANS | Modification type: | Engineered
Fragment
Mutant
| PDB: | | Structural/functional type: | Relationship to function unknown | Functional classes: | Unknown
| Functional subclasses: | Unknown
| Detection methods:
- X-ray crystallography (277 K; HEPES (pH 7.8) 0.1 M; MgCl2 0.2 M; MPD (>5%); PEG400 17.5 %)
| References:
- Luz JG, Hassig CA, Pickle C, Godzik A, Meyer BJ, Wilson IA. "XOL-1, primary determinant of sexual fate in C. elegans, is a GHMP kinase family member and a structural prototype for a class of developmental regulators." Genes Dev. 2003; 17(8): 977-90. PubMed: 12672694
| Comments:
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Region 2 | Type: | Disordered | Name: | | Location: | 29 - 38 | Length: | 10 | Region sequence: |
ETEDDPNFRN | Modification type: | Engineered
Fragment
Mutant
| PDB: | | Structural/functional type: | Relationship to function unknown | Functional classes: | Unknown
| Functional subclasses: | Unknown
| Detection methods:
- X-ray crystallography (277 K; HEPES (pH 7.8) 0.1 M; MgCl2 0.2 M; MPD (>5%); PEG400 17.5 %)
| References:
- Luz JG, Hassig CA, Pickle C, Godzik A, Meyer BJ, Wilson IA. "XOL-1, primary determinant of sexual fate in C. elegans, is a GHMP kinase family member and a structural prototype for a class of developmental regulators." Genes Dev. 2003; 17(8): 977-90. PubMed: 12672694
| Comments:
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Region 3 | Type: | Disordered | Name: | | Location: | 190 - 195 | Length: | 6 | Region sequence: |
DGSLEN | Modification type: | Engineered
Fragment
Mutant
| PDB: | | Structural/functional type: | Relationship to function unknown | Functional classes: | Unknown
| Functional subclasses: | Unknown
| Detection methods:
- X-ray crystallography (277 K; HEPES (pH 7.8) 0.1 M; MgCl2 0.2 M; MPD (>5%); PEG400 17.5 %)
| References:
- Luz JG, Hassig CA, Pickle C, Godzik A, Meyer BJ, Wilson IA. "XOL-1, primary determinant of sexual fate in C. elegans, is a GHMP kinase family member and a structural prototype for a class of developmental regulators." Genes Dev. 2003; 17(8): 977-90. PubMed: 12672694
| Comments:Electron density was not visible for residues 190-195 in monomer 1, and residues 190-194 in monomer 2.
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