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UniProtKB/Swiss-Prot O00255: Variant p.Leu228Pro

Menin
Gene: MEN1
Variant information

Variant position:  228
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Type of variant:  LP/P [Disclaimer]
The variants are classified into three categories: LP/P, LB/B and US.
  • LP/P: likely pathogenic or pathogenic.
  • LB/B: likely benign or benign.
  • US: uncertain significance

Residue change:  From Leucine (L) to Proline (P) at position 228 (L228P, p.Leu228Pro).
Indicates the amino acid change of the variant. The one-letter and three-letter codes for amino acids used in UniProtKB/Swiss-Prot are those adopted by the commission on Biochemical Nomenclature of the IUPAC-IUB.

Physico-chemical properties:  Similar physico-chemical property. Both residues are medium size and hydrophobic.
The physico-chemical property of the reference and variant residues and the change implicated.

BLOSUM score:  -3
The score within a Blosum matrix for the corresponding wild-type to variant amino acid change. The log-odds score measures the logarithm for the ratio of the likelihood of two amino acids appearing by chance. The Blosum62 substitution matrix is used. This substitution matrix contains scores for all possible exchanges of one amino acid with another:
  • Lowest score: -4 (low probability of substitution).
  • Highest score: 11 (high probability of substitution).
More information can be found on the following page

Variant description:  In MEN1.
Any additional useful information about the variant.

Other resources:  
Links to websites of interest for the variant.



Sequence information

Variant position:  228
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Protein sequence length:  615
The length of the canonical sequence.

Location on the sequence:   NEDRRGQTVNAGVAERSWLY  L KGSYMRCDRKMEVAFMVCAI
The residue change on the sequence. Unless the variant is located at the beginning or at the end of the protein sequence, both residues upstream (20) and downstream (20) of the variant will be shown.

Residue conservation: 
The multiple alignment of the region surrounding the variant against various orthologous sequences.

Human                         NEDRRGQTVNAGVAERSWLYLKGSYMRCDRKMEVAFMVCAI

                              NEDRRGQTVNAGVAERSWLYLKGSYMRCDRKMEVAFMVCAI

Mouse                         NEDRRGQTVNAGVAERSWLYLKGSYMRCDRKMEVAFMVCAI

Rat                           NEDRRGQTVNAGVAERSWLYLKGSYMRCDRKMEVAFMVCAI

Bovine                        NEDRRGQTVNAGVAERSWLYLKGSYMRCDRKMEVAFMVCAI

Sequence annotation in neighborhood:  
The regions or sites of interest surrounding the variant. In general the features listed are posttranslational modifications, binding sites, enzyme active sites, local secondary structure or other characteristics reported in the cited references. The "Sequence annotation in neighborhood" lines have a fixed format:
  • Type: the type of sequence feature.
  • Positions: endpoints of the sequence feature.
  • Description: contains additional information about the feature.

TypePositionsDescription
Chain 1 – 615 Menin
Region 219 – 395 Interaction with FANCD2
Helix 225 – 230


Literature citations

Criteria for mutation analysis in MEN 1-suspected patients: MEN 1 case-finding.
Roijers J.F.M.; de Wit M.J.; van der Luijt R.B.; Ploos van Amstel H.K.; Hoeppener J.W.M.; Lips C.J.M.;
Eur. J. Clin. Invest. 30:487-492(2000)
Cited for: VARIANTS MEN1 TRP-39; LYS-119 DEL; GLN-184; PRO-228; ARG-322; PRO-342; ASN-353; VAL-390 AND SER-549;

Germline mutation profile of MEN1 in multiple endocrine neoplasia type 1: search for correlation between phenotype and the functional domains of the MEN1 protein.
Wautot V.; Vercherat C.; Lespinasse J.; Chambe B.; Lenoir G.M.; Zhang C.X.; Porchet N.; Cordier M.; Beroud C.; Calender A.;
Hum. Mutat. 20:35-47(2002)
Cited for: VARIANTS MEN1 TRP-39; ASP-42; LEU-98; PRO-165; THR-165; PHE-167; ASP-169; ARG-170; TYR-177; PRO-228; PHE-245; ARG-286; PRO-316; PRO-319; TYR-322; ARG-322; ASP-342; ARG-346; HIS-362; ASP-373; MET-377; ASN-423; CYS-532; ASN-560 AND ARG-560;

Efficient mutation detection in MEN1 gene using a combination of single-strand conformation polymorphism (MDGA) and heteroduplex analysis.
Crepin M.; Escande F.; Pigny P.; Buisine M.-P.; Calender A.; Porchet N.; Odou M.-F.;
Electrophoresis 24:26-33(2003)
Cited for: VARIANTS MEN1 ARG-170; PRO-228; PHE-246; ARG-286; PRO-316; TYR-322; ASN-423 AND SER-545;

Disclaimer: Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. They are not in any way intended to be used as a substitute for professional medical advice, diagnostic, treatment or care.