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Protein

Thaumatin I

Gene
N/A
Organism
Thaumatococcus daniellii (Katemfe) (Phrynium daniellii)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Taste-modifying protein; intensely sweet-tasting. It is 100000 times sweeter than sucrose on a molar basis.1 Publication

Keywordsi

Molecular functionTaste-modifying protein

Names & Taxonomyi

Protein namesi
Recommended name:
Thaumatin I1 Publication
Alternative name(s):
Thaumatin-1Curated
OrganismiThaumatococcus daniellii (Katemfe) (Phrynium daniellii)
Taxonomic identifieri4621 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaZingiberalesMarantaceaeThaumatococcus

Subcellular locationi

Keywords - Cellular componenti

Cytoplasmic vesicle

Pathology & Biotechi

Protein family/group databases

Allergomei9233 Tha da TLP

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 221 PublicationAdd BLAST22
ChainiPRO_000009622123 – 229Thaumatin I1 PublicationAdd BLAST207
PropeptideiPRO_0000443721230 – 235Removed in mature form1 Publication6

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi31 ↔ 226PROSITE-ProRule annotationCombined sources3 Publications
Disulfide bondi78 ↔ 88PROSITE-ProRule annotationCombined sources3 Publications
Disulfide bondi93 ↔ 99PROSITE-ProRule annotationCombined sources3 Publications
Disulfide bondi143 ↔ 215PROSITE-ProRule annotationCombined sources3 Publications
Disulfide bondi148 ↔ 199PROSITE-ProRule annotationCombined sources3 Publications
Disulfide bondi156 ↔ 167PROSITE-ProRule annotationCombined sources3 Publications
Disulfide bondi171 ↔ 180PROSITE-ProRule annotationCombined sources3 Publications
Disulfide bondi181 ↔ 186PROSITE-ProRule annotationCombined sources3 Publications

Keywords - PTMi

Disulfide bond

Proteomic databases

PRIDEiP02883

Structurei

Secondary structure

1235
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi24 – 29Combined sources6
Beta strandi31 – 33Combined sources3
Beta strandi35 – 40Combined sources6
Beta strandi42 – 53Combined sources12
Beta strandi58 – 62Combined sources5
Beta strandi69 – 77Combined sources9
Beta strandi84 – 87Combined sources4
Beta strandi89 – 91Combined sources3
Beta strandi96 – 98Combined sources3
Beta strandi109 – 116Combined sources8
Beta strandi119 – 125Combined sources7
Beta strandi130 – 132Combined sources3
Beta strandi134 – 143Combined sources10
Beta strandi146 – 148Combined sources3
Helixi152 – 155Combined sources4
Helixi158 – 160Combined sources3
Beta strandi165 – 167Combined sources3
Helixi170 – 174Combined sources5
Helixi177 – 180Combined sources4
Turni181 – 183Combined sources3
Helixi190 – 198Combined sources9
Beta strandi202 – 205Combined sources4
Beta strandi213 – 216Combined sources4
Beta strandi221 – 227Combined sources7

3D structure databases

ProteinModelPortaliP02883
SMRiP02883
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP02883

Family & Domainsi

Sequence similaritiesi

Belongs to the thaumatin family.PROSITE-ProRule annotation

Keywords - Domaini

Signal

Family and domain databases

Gene3Di2.60.110.10, 1 hit
InterProiView protein in InterPro
IPR037176 Osmotin/thaumatin-like_sf
IPR001938 Thaumatin
IPR017949 Thaumatin_CS
PANTHERiPTHR31048 PTHR31048, 1 hit
PfamiView protein in Pfam
PF00314 Thaumatin, 1 hit
PIRSFiPIRSF002703 Thaumatin, 1 hit
PRINTSiPR00347 THAUMATIN
SMARTiView protein in SMART
SM00205 THN, 1 hit
SUPFAMiSSF49870 SSF49870, 1 hit
PROSITEiView protein in PROSITE
PS00316 THAUMATIN_1, 1 hit
PS51367 THAUMATIN_2, 1 hit

Sequencei

Sequence statusi: Complete.

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

P02883-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAATTCFFFL FPFLLLLTLS RAATFEIVNR CSYTVWAAAS KGDAALDAGG
60 70 80 90 100
RQLNSGESWT INVEPGTNGG KIWARTDCYF DDSGSGICKT GDCGGLLRCK
110 120 130 140 150
RFGRPPTTLA EFSLNQYGKD YIDISNIKGF NVPMDFSPTT RGCRGVRCAA
160 170 180 190 200
DIVGQCPAKL KAPGGGCNDA CTVFQTSEYC CTTGKCGPTE YSRFFKRLCP
210 220 230
DAFSYVLDKP TTVTCPGSSN YRVTFCPTAL ELEDE
Length:235
Mass (Da):25,440
Last modified:March 28, 2018 - v2
Checksum:i9E1A62D6B1EE8FEF
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB265690 mRNA Translation: BAF44567.1
AF355098 mRNA Translation: AAL83964.1
PIRiA03377 QTTC1

Similar proteinsi

Entry informationi

Entry nameiTHM1_THADA
AccessioniPrimary (citable) accession number: P02883
Secondary accession number(s): A1IIJ1, Q8RVT0
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: March 28, 2018
Last modified: July 18, 2018
This is version 117 of the entry and version 2 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. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

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