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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P78383: Variant p.Arg81His

Solute carrier family 35 member B1
Gene: SLC35B1
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Variant information Variant position: help 81 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help LB/B 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 Arginine (R) to Histidine (H) at position 81 (R81H, p.Arg81His). 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 basic (R) to medium size and polar (H) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help 0 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

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


Sequence information Variant position: help 81 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 322 The length of the canonical sequence.
Location on the sequence: help VINAVFAKILIQFFDTARVD R TRSWLYAACSISYLGAMVSS 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                         VINAVFAKILIQFFDTARVDRTRSWLYAACSISYLGAMVSS

Mouse                         VINAMFAKILIQFFDTARVDRTRTWLYAACSVSYVGAMVSS

Rat                           VINAMFAKILIQFFDTARVDRTRTWLYAACSVSYVGAMVSS

Bovine                        VVNAVFAKILIQFFDTARVDRTRSWLYAACSVSYLGAMVSS

Chicken                       VINAAFAKLLIRFFDSVRADRTHSWLYAACSLSYLGAMVSS

Xenopus laevis                IVNALFAKLLIQCFDSGKTDRTQSWLYSACSLSYLGAMVSS

Xenopus tropicalis            IVNALFAKLLIQFFDSGKTDRTQSWLYAACSLSYLGAMVSS

Zebrafish                     IINAAFARLLIQFFEGSKQDHTRSWLYGLCSLSYLGAMVSS

Drosophila                    LCNYVFAKVLLT-IRPQKEDTTNAGSYVACSLTYLLAMVST

Slime mold                    FFNMVSA-WLVSLVNKEQKDNTPFMKYGFVSMLLVISTFLS

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 – 322 Solute carrier family 35 member B1



Literature citations
The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).
The MGC Project Team;
Genome Res. 14:2121-2127(2004)
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1); VARIANT HIS-81;
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.