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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot A2RRP1: Variant p.Arg1914His

NBAS subunit of NRZ tethering complex
Gene: NBAS
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Variant information Variant position: help 1914 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help US 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 1914 (R1914H, p.Arg1914His). 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

Variant description: help In SOPH; uncertain significance; also found in patients with a multisystem disease involving liver, eye, immune system, connective tissue and bone; uncertain significance; reduced collagen secretion, diffuse collagen bundles and reduced protein expression in fibroblasts.. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 1914 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 2371 The length of the canonical sequence.
Location on the sequence: help TVVDAVTFSPKAVTKLSVEA R KEMTRKAIKTVKHFIEKPRK 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                         TVVDAVTFSPKAVTKLSVEARKEMTRKAIKTVKHFIEKPRK

Zebrafish                     NFLDAITFSPEAANKLSVGTRLEITKRAQKALKSISDKTKK

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 – 2371 NBAS subunit of NRZ tethering complex
Region 1036 – 2371 Interaction with ZW10 and RINT1



Literature citations
Neuroblastoma amplified sequence gene is associated with a novel short stature syndrome characterised by optic nerve atrophy and Pelger-Huet anomaly.
Maksimova N.; Hara K.; Nikolaeva I.; Chun-Feng T.; Usui T.; Takagi M.; Nishihira Y.; Miyashita A.; Fujiwara H.; Oyama T.; Nogovicina A.; Sukhomyasova A.; Potapova S.; Kuwano R.; Takahashi H.; Nishizawa M.; Onodera O.;
J. Med. Genet. 47:538-548(2010)
Cited for: SUBCELLULAR LOCATION; TISSUE SPECIFICITY; VARIANT SOPH HIS-1914; VARIANTS GLU-44; LEU-949 AND SER-1009; Compound heterozygous variants in NBAS as a cause of atypical osteogenesis imperfecta.
Balasubramanian M.; Hurst J.; Brown S.; Bishop N.J.; Arundel P.; DeVile C.; Pollitt R.C.; Crooks L.; Longman D.; Caceres J.F.; Shackley F.; Connolly S.; Payne J.H.; Offiah A.C.; Hughes D.; Parker M.J.; Hide W.; Skerry T.M.;
Bone 94:65-74(2017)
Cited for: VARIANTS 678-GLU--VAL-2371 DEL; 1004-ARG--VAL-2371 DEL AND HIS-1914; CHARACTERIZATION OF VARIANTS 678-GLU--VAL-2371 DEL; 1004-ARG--VAL-2371 AND HIS-1914;
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.