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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P00740: Variant p.Asp410His

Coagulation factor IX
Gene: F9
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Variant information Variant position: help 410 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 Aspartate (D) to Histidine (H) at position 410 (D410H, p.Asp410His). 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 medium size and acidic (D) to medium size and polar (H) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -1 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 HEMB; Mechtal. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 410 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 461 The length of the canonical sequence.
Location on the sequence: help IYNNMFCAGFHEGGRDSCQG D SGGPHVTEVEGTSFLTGIIS 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                         IYNNMFCAGFHEGGRDSCQGDSGGPHVTEVEGTSFLTGIIS

                              IYNNMFCAGFHEGGKDSCQGDSGGPHVTEVEGISFLTGIIS

Chimpanzee                    IYNNMFCAGFHEGGRDSCQGDSGGPHVTEVEGTSFLTGIIS

Mouse                         IYNNMFCAGYREGGKDSCEGDSGGPHVTEVEGTSFLTGIIS

Rat                           IYNNMFCAGYREGGKDSCEGDSGGPHVTEVEGTSFLTGIIS

Bovine                        IYSHMFCAGYHEGGKDSCQGDSGGPHVTEVEGTSFLTGIIS

Cat                           IYNNMFCAGFHEGGKDSCQGDSGGPHVTEVEGINFLTGIIS

Chicken                       ILHSMFCAGYTAGGKDTCGGDSGGPYTNSIGETWFLTGVTS
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 47 – 461 Coagulation factor IX
Chain 227 – 461 Coagulation factor IXa heavy chain
Domain 227 – 459 Peptidase S1
Active site 411 – 411 Charge relay system
Disulfide bond 407 – 435
Mutagenesis 391 – 391 Y -> T. Strongly increases enzyme activity with a synthetic peptide substrate; when associated with F-305; T-311 and A-365.



Literature citations
Hemophilia B caused by five different nondeletion mutations in the protease domain of factor IX.
Ludwig M.; Sabharwal A.K.; Brackmann H.H.; Olek K.; Smith K.J.; Birktoft J.J.; Bajaj S.P.;
Blood 79:1225-1232(1992)
Cited for: VARIANTS HEMB VAL-291; GLN-294; HIS-410; GLY-411 AND ILE-411;
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.