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Protein

Spidroin-1

Gene
N/A
Organism
Araneus bicentenarius (Giant lichen orbweaver)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Spiders' major ampullate silk possesses unique characteristics of strength and elasticity. Fibroin consists of pseudocrystalline regions of antiparallel beta-sheet interspersed with elastic amorphous segments.

Keywordsi

Molecular functionSilk protein

Names & Taxonomyi

Protein namesi
Recommended name:
Spidroin-1
Alternative name(s):
Dragline silk fibroin 1
OrganismiAraneus bicentenarius (Giant lichen orbweaver)
Taxonomic identifieri29013 [NCBI]
Taxonomic lineageiEukaryotaMetazoaEcdysozoaArthropodaChelicerataArachnidaAraneaeAraneomorphaeEntelegynaeAraneoideaAraneidaeAraneus

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_0000221445‹1 – 79Spidroin-1Add BLAST›79

Interactioni

Subunit structurei

Major subunit, with spidroin 2, of the dragline silk.

Structurei

3D structure databases

SMRiP46802
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domaini

Highly repetitive protein characterized by regions of polyalanine and glycine-rich repeating units.

Sequence similaritiesi

Belongs to the silk fibroin family.Curated

Family and domain databases

Gene3Di1.10.10.1350, 1 hit
InterProiView protein in InterPro
IPR021001 Spidroin_C
IPR038542 Spidroin_C_sf
PfamiView protein in Pfam
PF11260 Spidroin_MaSp, 1 hit

Sequencei

Sequence statusi: Fragment.

P46802-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
RVSSAVSSLV SSGPTTPAAL SNTISSAVSQ ISASNPGLSG CDVLVQALLE
60 70
VVSALVHILG SSSVGQINYG ASAQYAQMV
Length:79
Mass (Da):7,763
Last modified:November 1, 1995 - v1
Checksum:i22FBC5BF0559792D
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Non-terminal residuei11

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U03847 Unassigned DNA Translation: AAA17673.1
PIRiB54368

Similar proteinsi

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U03847 Unassigned DNA Translation: AAA17673.1
PIRiB54368

3D structure databases

SMRiP46802
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

Gene3Di1.10.10.1350, 1 hit
InterProiView protein in InterPro
IPR021001 Spidroin_C
IPR038542 Spidroin_C_sf
PfamiView protein in Pfam
PF11260 Spidroin_MaSp, 1 hit
ProtoNetiSearch...

Entry informationi

Entry nameiSPD1_ARABI
AccessioniPrimary (citable) accession number: P46802
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1995
Last sequence update: November 1, 1995
Last modified: March 28, 2018
This is version 39 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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