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Protein

Alpha-amylase inhibitor AAI

Gene

AAI

Organism
Amaranthus hypochondriacus (Prince-of-Wales feather) (Amaranthus hybridus var. hypochondriacus)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at protein leveli

Functioni

Alpha-amylase inhibitor. It is active against alpha-amylases from Tribolium castaneum and Prostephanus truncatus larvae.

GO - Molecular functioni

Complete GO annotation...

Keywords - Molecular functioni

Alpha-amylase inhibitor

Names & Taxonomyi

Protein namesi
Recommended name:
Alpha-amylase inhibitor AAI
Gene namesi
Name:AAI
OrganismiAmaranthus hypochondriacus (Prince-of-Wales feather) (Amaranthus hybridus var. hypochondriacus)
Taxonomic identifieri28502 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeCaryophyllalesAmaranthaceaeAmaranthus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 3232Alpha-amylase inhibitor AAIPRO_0000084123Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi1 ↔ 181 Publication
Disulfide bondi8 ↔ 231 Publication
Disulfide bondi17 ↔ 311 Publication

Keywords - PTMi

Disulfide bond

Expressioni

Tissue specificityi

Endosperm.

Interactioni

Protein-protein interaction databases

MINTiMINT-106908.

Structurei

Secondary structure

1
32
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Beta strandi6 – 83Combined sources
Helixi10 – 134Combined sources
Beta strandi26 – 316Combined sources

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1CLVX-ray2.00I1-32[»]
1HTXNMR-A1-32[»]
1QFDNMR-A1-32[»]
ProteinModelPortaliP80403.
SMRiP80403. Positions 1-32.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP80403.

Family & Domainsi

Domaini

The presence of a 'disulfide through disulfide knot' structurally defines this protein as a knottin.

Keywords - Domaini

Knottin

Family and domain databases

InterProiIPR011052. Proteinase_amylase_inhib_dom.
[Graphical view]
SUPFAMiSSF57027. SSF57027. 1 hit.

Sequencei

Sequence statusi: Complete.

P80403-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30 
CIPKWNRCGP KMDGVPCCEP YTCTSDYYGN CS
Length:32
Mass (Da):3,592
Last modified:February 1, 1995 - v1
Checksum:i4B9B744B58C39BE3
GO

Sequence databases

PIRiA54845.

Cross-referencesi

Sequence databases

PIRiA54845.

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1CLVX-ray2.00I1-32[»]
1HTXNMR-A1-32[»]
1QFDNMR-A1-32[»]
ProteinModelPortaliP80403.
SMRiP80403. Positions 1-32.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

MINTiMINT-106908.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Miscellaneous databases

EvolutionaryTraceiP80403.

Family and domain databases

InterProiIPR011052. Proteinase_amylase_inhib_dom.
[Graphical view]
SUPFAMiSSF57027. SSF57027. 1 hit.
ProtoNetiSearch...

Entry informationi

Entry nameiIAAI_AMAHP
AccessioniPrimary (citable) accession number: P80403
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1995
Last sequence update: February 1, 1995
Last modified: May 11, 2016
This is version 78 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.