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Q06814

- CALR_SCHMA

UniProt

Q06814 - CALR_SCHMA

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Protein
Calreticulin
Gene
N/A
Organism
Schistosoma mansoni (Blood fluke)
Status
Reviewed - Annotation score: 3 out of 5 - Experimental evidence at transcript leveli

Functioni

Molecular calcium-binding chaperone promoting folding, oligomeric assembly and quality control in the ER via the calreticulin/calnexin cycle. This lectin may interact transiently with almost all of the monoglucosylated glycoproteins that are synthesized in the ER By similarity.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei107 – 1071Carbohydrate By similarity
Binding sitei109 – 1091Carbohydrate By similarity
Binding sitei126 – 1261Carbohydrate By similarity
Binding sitei133 – 1331Carbohydrate By similarity
Binding sitei315 – 3151Carbohydrate By similarity

GO - Molecular functioni

  1. calcium ion binding Source: InterPro

GO - Biological processi

  1. protein folding Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Chaperone

Keywords - Ligandi

Calcium, Lectin, Metal-binding, Zinc

Names & Taxonomyi

Protein namesi
Recommended name:
Calreticulin
Alternative name(s):
Protein SM4
OrganismiSchistosoma mansoni (Blood fluke)
Taxonomic identifieri6183 [NCBI]
Taxonomic lineageiEukaryotaMetazoaPlatyhelminthesTrematodaDigeneaStrigeididaSchistosomatoideaSchistosomatidaeSchistosoma

Subcellular locationi

GO - Cellular componenti

  1. endoplasmic reticulum lumen Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Endoplasmic reticulum

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 1616 Reviewed prediction
Add
BLAST
Chaini17 – 393377Calreticulin
PRO_0000004183Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi27 – 271N-linked (GlcNAc...) Reviewed prediction
Disulfide bondi103 ↔ 135 By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

PRIDEiQ06814.

Structurei

3D structure databases

ProteinModelPortaliQ06814.
SMRiQ06814. Positions 204-303.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Repeati189 – 200121-1
Add
BLAST
Repeati208 – 219121-2
Add
BLAST
Repeati225 – 236121-3
Add
BLAST
Repeati242 – 253121-4
Add
BLAST
Repeati257 – 267112-1
Add
BLAST
Repeati271 – 281112-2
Add
BLAST
Repeati285 – 295112-3
Add
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni189 – 253654 X 12 AA approximate repeats
Add
BLAST
Regioni257 – 295393 X 11 AA approximate repeats
Add
BLAST

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi390 – 3934Prevents secretion from ER

Compositional bias

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Compositional biasi350 – 38940Asp/Glu/Lys-rich
Add
BLAST

Domaini

Can be divided into a N-terminal globular domain, a proline-rich P-domain forming an elongated arm-like structure and a C-terminal acidic domain. The P-domain binds one molecule of calcium with high affinity, whereas the acidic C-domain binds multiple calcium ions with low affinity By similarity.
The interaction with glycans occurs through a binding site in the globular lectin domain By similarity.
The zinc binding sites are localized to the N-domain By similarity.

Sequence similaritiesi

Belongs to the calreticulin family.

Keywords - Domaini

Repeat, Signal

Phylogenomic databases

HOGENOMiHOG000192435.

Family and domain databases

Gene3Di2.60.120.200. 2 hits.
InterProiIPR001580. Calret/calnex.
IPR018124. Calret/calnex_CS.
IPR009169. Calreticulin.
IPR009033. Calreticulin/calnexin_P_dom.
IPR008985. ConA-like_lec_gl_sf.
IPR013320. ConA-like_subgrp.
[Graphical view]
PANTHERiPTHR11073. PTHR11073. 1 hit.
PfamiPF00262. Calreticulin. 1 hit.
[Graphical view]
PIRSFiPIRSF002356. Calreticulin. 1 hit.
PRINTSiPR00626. CALRETICULIN.
SUPFAMiSSF49899. SSF49899. 1 hit.
SSF63887. SSF63887. 1 hit.
PROSITEiPS00803. CALRETICULIN_1. 1 hit.
PS00804. CALRETICULIN_2. 1 hit.
PS00805. CALRETICULIN_REPEAT. 1 hit.
PS00014. ER_TARGET. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q06814-1 [UniParc]FASTAAdd to Basket

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MLSILLTLLL SKYALGHEVW FSETFPNESI ENWVQSTYNA EKQGEFKVEA    50
GKSPVDPIED LGLKTTQDAR FYGIARKISE PFSNRGKTMV LQFTVKFDKT 100
VSCGGAYIKL LGSDIDPKKF HGESPYKIMF GPDICGMATK KVHVIFNYKG 150
KNHLIKKEIP CKDDLKTHLY TLIVNPNNKY EVLVDNAKVE EGSLEDDWDM 200
LPPKKIDDPN DKKPDDWVDE QFIDDPDDKK PDNWDQPKTI PDMDAKKPDD 250
WDDAMDGEWE RPQKDNPEYK GEWTPRRIDN PKYKGEWKPV QIDNPEYKHD 300
PELYVLNDIG YVGFDLWQVD SGSIFDNILI TDSPDFAKEE GERLWRKRYD 350
AEVAKEQSSA KDDKEEAEET KERKELPYDA KASDEPSGDH DEL 393
Length:393
Mass (Da):45,398
Last modified:February 1, 1996 - v2
Checksum:i45F59857C21940D2
GO

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti89 – 902MV → IL in AAA19024. 1 Publication
Sequence conflicti188 – 20720Missing in AAA19024. 1 Publication
Add
BLAST
Sequence conflicti378 – 3781Y → D in AAA19024. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M93097 mRNA. Translation: AAA29854.1.
L24159 Genomic DNA. Translation: AAA19024.1.
PIRiA48573.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M93097 mRNA. Translation: AAA29854.1 .
L24159 Genomic DNA. Translation: AAA19024.1 .
PIRi A48573.

3D structure databases

ProteinModelPortali Q06814.
SMRi Q06814. Positions 204-303.
ModBasei Search...
MobiDBi Search...

Proteomic databases

PRIDEi Q06814.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Phylogenomic databases

HOGENOMi HOG000192435.

Family and domain databases

Gene3Di 2.60.120.200. 2 hits.
InterProi IPR001580. Calret/calnex.
IPR018124. Calret/calnex_CS.
IPR009169. Calreticulin.
IPR009033. Calreticulin/calnexin_P_dom.
IPR008985. ConA-like_lec_gl_sf.
IPR013320. ConA-like_subgrp.
[Graphical view ]
PANTHERi PTHR11073. PTHR11073. 1 hit.
Pfami PF00262. Calreticulin. 1 hit.
[Graphical view ]
PIRSFi PIRSF002356. Calreticulin. 1 hit.
PRINTSi PR00626. CALRETICULIN.
SUPFAMi SSF49899. SSF49899. 1 hit.
SSF63887. SSF63887. 1 hit.
PROSITEi PS00803. CALRETICULIN_1. 1 hit.
PS00804. CALRETICULIN_2. 1 hit.
PS00805. CALRETICULIN_REPEAT. 1 hit.
PS00014. ER_TARGET. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Cloning of the gene encoding a Schistosoma mansoni antigen homologous to human Ro/SS-A autoantigen."
    Khalife J., Trottein F., Schacht A.-M., Godin C., Pierce R.J., Capron A.
    Mol. Biochem. Parasitol. 57:193-202(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: Puerto Rican.
  2. "Cloning and sequencing of the gene encoding Schistosoma mansoni calreticulin."
    Khalife J., Pierce R.J., Godin C., Capron A.
    Mol. Biochem. Parasitol. 62:313-315(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: Puerto Rican.

Entry informationi

Entry nameiCALR_SCHMA
AccessioniPrimary (citable) accession number: Q06814
Secondary accession number(s): Q26562
Entry historyi
Integrated into UniProtKB/Swiss-Prot: June 1, 1994
Last sequence update: February 1, 1996
Last modified: October 16, 2013
This is version 86 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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