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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q13415: Variant p.Phe89Ser

Origin recognition complex subunit 1
Gene: ORC1
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Variant information Variant position: help 89 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help 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: help From Phenylalanine (F) to Serine (S) at position 89 (F89S, p.Phe89Ser). 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: help Change from large size and aromatic (F) to small size and polar (S) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -2 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: help In MGORS1. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 89 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 861 The length of the canonical sequence.
Location on the sequence: help LELFEDDSDPPPKKRARVQW F VRFCEVPACKRHLLGRKPGA 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: help The multiple alignment of the region surrounding the variant against various orthologous sequences.
Human                         LELFE--DDSDPPP-KKRARVQWF-VR---FCEVPACKRHLLGRKPGA

Mouse                         IELFQ--NGAEVPP-KKCARVQWF-VR---FLEIPVSKRHL

Rat                           IELFE--NGSEVPP-KKYARVQWF-VR---FCEIPIPKRHL

Bovine                        VELFE--DDSELYS-KKRARVQWF-IR---FCEVPVCKQHL

Drosophila                    LHMYELRELTDREP--CRAIVQWY--------SWPKAIPHN

Slime mold                    -------NNNNHNN------------------------RDI

Baker's yeast                 IQELRLNTLNNVVELWALTYLRWFEVNPLAHYRQFNPDANI

Fission yeast                 CKLYE--KAIDKHSGKKYVEAIWYSRA---YAKRMEIKPEY

Sequence annotation in neighborhood: help 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 – 861 Origin recognition complex subunit 1
Domain 45 – 171 BAH
Site 94 – 94 Histone H4K20me2 binding



Literature citations
Mutations in ORC1, encoding the largest subunit of the origin recognition complex, cause microcephalic primordial dwarfism resembling Meier-Gorlin syndrome.
Bicknell L.S.; Walker S.; Klingseisen A.; Stiff T.; Leitch A.; Kerzendorfer C.; Martin C.A.; Yeyati P.; Al Sanna N.; Bober M.; Johnson D.; Wise C.; Jackson A.P.; O'Driscoll M.; Jeggo P.A.;
Nat. Genet. 43:350-355(2011)
Cited for: VARIANTS MGORS1 SER-89; GLN-105; GLY-127 AND GLN-720;
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.