Beta-fructofuranosidase, insoluble isoenzyme 2 precursor - Daucus carota (Carrot)

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Reviewed, UniProtKB/Swiss-Prot Q39692 (INV2_DAUCA)

Last modified September 22, 2009. Version 54. History...

Clusters with 100%, 90%, 50% identity |

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Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents

Names and origin

Protein names

Recommended name:
    Beta-fructofuranosidase, insoluble isoenzyme 2
    EC=3.2.1.26
Alternative name(s):
    Sucrose hydrolase 2
    Invertase 2
    Cell wall beta-fructosidase 2

Gene names

Name:

INV2

Organism

Daucus carota (Carrot)

Taxonomic identifier

Taxonomic lineage

Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › asterids › campanulids › Apiales › Apiaceae › Apioideae › Scandiceae › Daucinae › Daucus

Protein attributes

Sequence length	592 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	May play an important role in phloem unloading and in stress response.
Catalytic activity	Hydrolysis of terminal non-reducing beta-D-fructofuranoside residues in beta-D-fructofuranosides.
Subcellular location	Secreted › cell wall. Note: Ionically bound to the cell wall.
Sequence similarities	Belongs to the glycosyl hydrolase 32 family.

Ontologies

Keywords
Cellular component	Cell wall Secreted
Domain	Signal
Molecular function	Glycosidase Hydrolase
PTM	Glycoprotein Zymogen
Gene Ontology (GO)
Biological process	carbohydrate metabolic process Inferred from electronic annotation. Source: InterPro
Cellular component	cell wall Inferred from electronic annotation. Source: UniProtKB-SubCell extracellular region Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	beta-fructofuranosidase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Signal peptide

40

Potential

Propeptide

41 – ?

Potential

PRO_0000033368

Chain

? – 592

Beta-fructofuranosidase, insoluble isoenzyme 2

PRO_0000033369

Sites

Active site

1

By similarity

Amino acid modifications

Glycosylation

1

N-linked (GlcNAc...) Potential

Glycosylation

1

N-linked (GlcNAc...) Potential

Glycosylation

1

N-linked (GlcNAc...) Potential

Glycosylation

1

N-linked (GlcNAc...) Potential

Glycosylation

1

N-linked (GlcNAc...) Potential

Sequences

Sequence

Length

Mass (Da)

Tools

Q39692-1 [UniParc].

Last modified November 1, 1996. Version 1.
Checksum: 2734603836709133
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592

67,398

        10         20         30         40         50         60 
MLIRCFHIKM ALVTCFHSML FLSAVVFIFS LDVNIRGVEA SHQVFPELQS VSAVNVQLVH 

        70         80         90        100        110        120 
RTGYHFQPKK HWINDPNGPM YYKGFYHLFY QYNPKGAVWG NIVWAHSISK DLINWVALEP 

       130        140        150        160        170        180 
AIFPSKPFDK YGCWSGSATV LPGGKPVIMY TGIVTPSPVN TQVQNFAVPA NYSDPYLREW 

       190        200        210        220        230        240 
IKPDNNPIVR ARSENSSSFR DPTTAWFDGV HWKILVGSRR KHRGIAYLYR SRNFLKWTKA 

       250        260        270        280        290        300 
KHPLHSKDRT GMWECLDFYP VAPKGMNGLD TSVTGQDIKH VLKVSLYSTR YEYYTVGEYD 

       310        320        330        340        350        360 
RDNDIYVPDN TSVDGWAGLR YDYGNFYASK TFFDPDKQRR ILWGWANESD SKQDDVQKGW 

       370        380        390        400        410        420 
AGIQLIPRKL WLDPNGKQLI QWPIEEIQLL RGQNVHMGSQ VLNTGEHIEV KGVTAAQADV 

       430        440        450        460        470        480 
DATFSFKSLD RAEWFDPNWA KLDALDVCDW MGSTVRGGLG PFGFLTLASE KLEEYTPVFF 

       490        500        510        520        530        540 
RVFKTKDKLK VLMCSDAKRS STTAEGLYKP PFAGYVDVDL SDKKISLRSL IDNSVVESFG 

       550        560        570        580        590 
AHGRTCITSR VYPKIAIYNN AHVFVFNNGT EAITIDSLDA WSMKAPSLMN NN

References

[1]

"Structural organization and differential expression of carrot beta-fructofuranosidase genes: identification of a gene coding for a flower bud-specific isozyme."
Lorenz K., Lienhard S., Sturm A.
Plant Mol. Biol. 28:189-194(1995) [PubMed: 7787183] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: cv. Queen Anne's Lace.

Cross-references

Sequence databases
	X78424 Genomic DNA. Translation: CAA55189.1.
PIR	S56681.
3D structure databases
ModBase	Search...
Protein family/group databases
CAZy	GH32. Glycoside Hydrolase Family 32.
Enzyme and pathway databases
BRENDA	3.2.1.26. 1081.
Family and domain databases
InterPro	IPR001362. Glyco_hydro_32. IPR018053. Glyco_hydro_32_AS. IPR013189. Glyco_hydro_32_C. IPR013148. Glyco_hydro_32_N. [Graphical view]
Pfam	PF08244. Glyco_hydro_32C. 1 hit. PF00251. Glyco_hydro_32N. 1 hit. [Graphical view]
SMART	SM00640. Glyco_32. 1 hit. [Graphical view]
PROSITE	PS00609. GLYCOSYL_HYDROL_F32. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

INV2_DAUCA

Accession

Primary (citable) accession number: Q39692

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 1, 1997
Last sequence update:	November 1, 1996
Last modified:	September 22, 2009
This is version 54 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)

Relevant documents

Glycosyl hydrolases

Classification of glycosyl hydrolase families and list of entries

SIMILARITY comments

Index of protein domains and families

Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents