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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P35670: Variant p.Arg778Gln

Copper-transporting ATPase 2
Gene: ATP7B
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Variant information Variant position: help 778 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 Arginine (R) to Glutamine (Q) at position 778 (R778Q, p.Arg778Gln). 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 (Q) 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 WD; decreased copper transport activity. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 778 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 1465 The length of the canonical sequence.
Location on the sequence: help RSPVTFFDTPPMLFVFIALG R WLEHLAKSKTSEALAKLMSL 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                         RSPVTFFDTPPMLFVFIALGRWLEHLAKSKTSEALAKLMSL

Mouse                         KSPVTFFDTPPMLFVFIALGRWLEHVAKSKTSEALAKLMSL

Rat                           KSPVTFFDTPPMLFVFIALGRWLEHVAKSKTSEALAKLMSL

Sheep                         RSPVTFFDTPPMLFVFIALGRWLEHVVKSKTSEALARLMSL

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 – 1465 Copper-transporting ATPase 2
Transmembrane 765 – 785 Helical
Alternative sequence 234 – 1465 RPLSSANQNFNNSETLGHQGSHVVTLQLRIDGMHCKSCVLNIEENIGQLLGVQSIQVSLENKTAQVKYDPSCTSPVALQRAIEALPPGNFKVSLPDGAEGSGTDHRSSSSHSPGSPPRNQVQGTCSTTLIAIAGMTCASCVHSIEGMISQLEGVQQISVSLAEGTATVLYNPSVISPEELRAAIEDMGFEASVVSESCSTNPLGNHSAGNSMVQTTDGTPTSVQEVAPHTGRLPANHAPDILAKSPQSTRAVAPQKCFLQIKGMTCASCVSNIERNLQKEAGVLSVLVALMAGKAEIKYDPEVIQPLEIAQFIQDLGFEAAVMEDYAGSDGNIELTITGMTCASCVHNIESKLTRTNGITYASVALATSKALVKFDPEIIGPRDIIKIIEEIGFHASLAQRNPNAHHLDHKMEIKQWKKSFLCSLVFGIPVMALMIYMLIPSNEPHQSMVLDHNIIPGLSILNLIFFILCTFVQLLGGWYFYVQAYKSLRHRSANMDVLIVLATSIAYVYSLVILVVAVAEKAERSPVTFFDTPPMLFVFIALGRWLEHLAKSKTSEALAKLMSLQATEATVVTLGEDNLIIREEQVPMELVQRGDIVKVVPGGKFPVDGKVLEGNTMADESLITGEAMPVTKKPGSTVIAGSINAHGSVLIKATHVGNDTTLAQIVKLVEEAQMSKAPIQQLADRFSGYFVPFIIIMSTLTLVVWIVIGFIDFGVVQRYFPNPNKHISQTEVIIRFAFQTSITVLCIACPCSLGLATPTAVMVGTGVAAQNGILIKGGKPLEMAHKIKTVMFDKTGTITHGVPRVMRVLLLGDVATLPLRKVLAVVGTAEASSEHPLGVAVTKYCKEELGTETLGYCTDFQAVPGCGIGCKVSNVEGILAHSERPLSAPASHLNEAGSLPAEKDAVPQTFSVLIGNREWLRRNGLTISSDVSDAMTDHEMKGQTAILVAIDGVLCGMIAIADAVKQEAALAVHTLQSMGVDVVLITGDNRKTARAIATQVGINKVFAEVLPSHKVAKVQELQNKGKKVAMVGDGVNDSPALAQADMGVAIGTGTDVAIEAADVVLIRNDLLDVVASIHLSKRTVRRIRINLVLALIYNLVGIPIAAGVFMPIGIVLQPWMGSAAMAASSVSVVLSSLQLKCYKKPDLERYEAQAHGHMKPLTASQVSVHIGMDDRWRDSPRATPWDQVSYVSQVSLSSLTSDKPSRHSAAADDDGDKWSLLLNGRDEEQYI -> ETFIFC. In isoform 5.
Alternative sequence 624 – 785 Missing. In isoform 2.
Helix 767 – 786



Literature citations
Functional characterization of missense mutations in ATP7B: Wilson disease mutation or normal variant?
Forbes J.R.; Cox D.W.;
Am. J. Hum. Genet. 63:1663-1674(1998)
Cited for: CHARACTERIZATION OF VARIANTS WD ASN-765; VAL-769; VAL-776; LEU-778; GLN-778; SER-943; MET-977 AND LEU-992; CHARACTERIZATION OF VARIANT ALA-995; Mutation analysis and the correlation between genotype and phenotype of Arg778Leu mutation in chinese patients with Wilson disease.
Wu Z.Y.; Wang N.; Lin M.T.; Fang L.; Murong S.X.; Yu L.;
Arch. Neurol. 58:971-976(2001)
Cited for: VARIANTS VAL-390; ALA-406; LEU-456; GLY-723; ARG-832; ARG-875; VAL-929; LYS-952 AND ALA-1140; VARIANTS WD VAL-769; GLN-778; LEU-778; VAL-874; GLY-919; MET-935; ASP-943; PRO-1041; ILE-1106; HIS-1142; LYS-1173 AND SER-1270; Twenty-four novel mutations in Wilson disease patients of predominantly Italian origin.
Lepori M.B.; Lovicu M.; Dessi V.; Zappu A.; Incollu S.; Zancan L.; Giacchino R.; Iorio R.; Vajro P.; Maggiore G.; Marcellini M.; Barbera C.; Pellecchia M.T.; Simonetti R.; Kostic V.; Farci A.M.; Solinas A.; De Virgiliis S.; Cao A.; Loudianos G.;
Genet. Test. 11:328-332(2007)
Cited for: VARIANTS WD ARG-645; VAL-769; GLN-778; TRP-778; PRO-827; ALA-858; VAL-874; PHE-899; TRP-919; MET-935; TRP-969; MET-977; VAL-982; MET-991; ARG-1012; VAL-1012; VAL-1018; LYS-1064; SER-1099; CYS-1151; MET-1220; MET-1288; PRO-1322; LYS-1332; ASP-1341 AND LEU-1369; Distinct clinical courses according to presenting phenotypes and their correlations to ATP7B mutations in a large Wilson's disease cohort.
Lee B.H.; Kim J.H.; Lee S.Y.; Jin H.Y.; Kim K.J.; Lee J.J.; Park J.Y.; Kim G.H.; Choi J.H.; Kim K.M.; Yoo H.W.;
Liver Int. 31:831-839(2011)
Cited for: VARIANTS WD ARG-108; VAL-729; GLN-778; LEU-778; TRP-827; VAL-874; ASP-891; 899-ILE--GLN-907 DEL; GLY-919; ASP-943; SER-943; GLN-969; MET-977; LEU-992; THR-1010; ALA-1024; ILE-1029; ALA-1031; VAL-1035; PHE-1083; TYR-1091; ILE-1106; THR-1148; CYS-1151; SER-1168; SER-1186; MET-1216; ALA-1267; SER-1270; LEU-1273 AND ASP-1295; CHARACTERIZATION OF VARIANTS WD TRP-827; THR-1010; CYS-1151 AND ASP-1295; Mutational analysis of ATP7B in north Chinese patients with Wilson disease.
Li K.; Zhang W.M.; Lin S.; Wen L.; Wang Z.F.; Xie D.; Wei M.; Qiu Z.Q.; Dai Y.; Lin M.C.; Kung H.F.; Yao F.X.;
J. Hum. Genet. 58:67-72(2013)
Cited for: VARIANTS WD ASN-44; PHE-157; GLY-606; HIS-732; PRO-732; GLY-756; GLN-778; LEU-778; PHE-795; PRO-874; VAL-874; MET-890; GLY-919; ARG-921; ASP-943; TYR-975; TYR-980; PRO-987; LEU-992; CYS-1151; ALA-1178; GLU-1266; SER-1270 AND LEU-1273; VARIANT VAL-929; High frequency of two mutations in codon 778 in exon 8 of the ATP7B gene in Taiwanese families with Wilson disease.
Chuang L.-M.; Wu H.-P.; Jang M.-H.; Wang T.-R.; Sue W.-C.; Lin B.J.; Cox D.W.; Tai T.-Y.;
J. Med. Genet. 33:521-523(1996)
Cited for: VARIANTS WD GLN-778 AND LEU-778; Mutation analysis of Wilson disease in Taiwan and description of six new mutations.
Tsai C.-H.; Tsai F.-J.; Wu J.-Y.; Chang J.-G.; Lee C.-C.; Lin S.-P.; Yang C.-F.; Jong Y.-J.; Lo M.-C.;
Hum. Mutat. 12:370-376(1998)
Cited for: VARIANTS VAL-390; ALA-406; LEU-456; MET-935 AND ALA-1140; VARIANTS WD GLN-778; LEU-778; ASP-943; LEU-992; HIS-1142; CYS-1153 AND SER-1270;
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.