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Protein

Sweet protein mabinlin-2

Gene
N/A
Organism
Capparis masaikai (Mabinlang)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Heat stable 2S seed storage protein having sweetness-inducing activity.

GO - Molecular functioni

Keywordsi

Molecular functionSeed storage protein, Storage protein, Taste-modifying protein

Names & Taxonomyi

Protein namesi
Recommended name:
Sweet protein mabinlin-2
Alternative name(s):
Mabinlin II
Short name:
MAB II
Cleaved into the following 2 chains:
OrganismiCapparis masaikai (Mabinlang)
Taxonomic identifieri13395 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesCapparaceaeCapparis

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 20Sequence analysisAdd BLAST20
PropeptideiPRO_000003213721 – 351 PublicationAdd BLAST15
ChainiPRO_000003213836 – 68Sweet protein mabinlin-2 chain AAdd BLAST33
PropeptideiPRO_000003213969 – 821 PublicationAdd BLAST14
ChainiPRO_000003214083 – 154Sweet protein mabinlin-2 chain BAdd BLAST72
PropeptideiPRO_00000321411551

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei36Pyrrolidone carboxylic acid1 Publication1
Disulfide bondi40 ↔ 103Interchain (between A and B chains)
Disulfide bondi53 ↔ 92Interchain (between A and B chains)
Modified residuei83Pyrrolidone carboxylic acid1 Publication1
Disulfide bondi93 ↔ 141
Disulfide bondi105 ↔ 149

Keywords - PTMi

Disulfide bond, Pyrrolidone carboxylic acid

Interactioni

Subunit structurei

Heterodimer of a small A and a large B chain linked by disulfide bonds.

Structurei

Secondary structure

1155
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

ProteinModelPortaliP30233
SMRiP30233
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP30233

Family & Domainsi

Sequence similaritiesi

Belongs to the 2S seed storage albumins family.Curated

Keywords - Domaini

Signal

Family and domain databases

InterProiView protein in InterPro
IPR036312 Bifun_inhib/LTP/seed_sf
IPR016140 Bifunc_inhib/LTP/seed_store
IPR000617 Napin
PfamiView protein in Pfam
PF00234 Tryp_alpha_amyl, 1 hit
PRINTSiPR00496 NAPIN
SMARTiView protein in SMART
SM00499 AAI, 1 hit
SUPFAMiSSF47699 SSF47699, 1 hit

Sequencei

Sequence statusi: Complete.

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

P30233-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAKLIFLFAT LALFVLLANA SIQTTVIEVD EEEDNQLWRC QRQFLQHQRL
60 70 80 90 100
RACQRFIHRR AQFGGQPDEL EDEVEDDNDD ENQPRRPALR QCCNQLRQVD
110 120 130 140 150
RPCVCPVLRQ AAQQVLQRQI IQGPQQLRRL FDAARNLPNI CNIPNIGACP

FRAWP
Length:155
Mass (Da):18,089
Last modified:February 21, 2001 - v3
Checksum:i72E885DEDCC2D46A
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti148A → T in BAA12204 (PubMed:8973336).Curated1
Sequence conflicti153A → T in BAA12204 (PubMed:8973336).Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D83997 mRNA Translation: BAA12204.1
PIRiJC5379
S28842
S28843

Similar proteinsi

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D83997 mRNA Translation: BAA12204.1
PIRiJC5379
S28842
S28843

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
2DS2X-ray1.70A/C36-68[»]
B/D83-154[»]
ProteinModelPortaliP30233
SMRiP30233
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Miscellaneous databases

EvolutionaryTraceiP30233

Family and domain databases

InterProiView protein in InterPro
IPR036312 Bifun_inhib/LTP/seed_sf
IPR016140 Bifunc_inhib/LTP/seed_store
IPR000617 Napin
PfamiView protein in Pfam
PF00234 Tryp_alpha_amyl, 1 hit
PRINTSiPR00496 NAPIN
SMARTiView protein in SMART
SM00499 AAI, 1 hit
SUPFAMiSSF47699 SSF47699, 1 hit
ProtoNetiSearch...

Entry informationi

Entry namei2SS2_CAPMA
AccessioniPrimary (citable) accession number: P30233
Secondary accession number(s): O04774
Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 1, 1993
Last sequence update: February 21, 2001
Last modified: October 25, 2017
This is version 88 of the entry and version 3 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
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Main funding by: National Institutes of Health

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