UniProtKB/Swiss-Prot P02042: Variant p.Asp100Asn

Hemoglobin subunit delta
Gene: HBD
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Variant information Variant position:

100 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant:

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:

From Aspartate (D) to Asparagine (N) at position 100 (D100N, p.Asp100Asn). 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:

Change from medium size and acidic (D) to medium size and polar (N) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score:

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:

In Canada; O(2) affinity up. Any additional useful information about the variant.
Other resources:

Links to websites of interest for the variant.

Variant rs35329985 [ dbSNP | Ensembl ]

Sequence information Variant position:

100 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length:

147 The length of the canonical sequence.
Location on the sequence:

DNLKGTFSQLSELHCDKLHV D PENFRLLGNVLVCVLARNFG 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                         DNLKGTFSQLSELHCDKLHVDPENFRLLGNVLVCVLARNFG

Gorilla                       DNLKGTFSQLSELHCDKLHVDPENFRLLGNVLVCVLARNFG

Chimpanzee                    DNLKGTFSQLSELHCDKLHVDPENFRLLGNVLVCVLARNFG

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.

Type	Positions	Description
Chain	2 – 147	Hemoglobin subunit delta
Domain	3 – 147	Globin
Binding site	93 – 93	proximal binding residue

Literature citations
Hb A2-Canada or alpha 2 delta 2 99(G1) Asp replaced by Asn, a newly discovered delta chain variant with increased oxygen affinity occurring in cis to beta-thalassemia.
Salkie M.L.; Gordon P.A.; Rigal W.M.; Lam H.; Wilson J.B.; Headlee M.E.; Huisman T.H.J.;
Hemoglobin 6:223-231(1982)
Cited for: VARIANT CANADA ASN-100;

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.