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Protein

Endochitinase A2

Gene

CHI2

Organism
Pisum sativum (Garden pea)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Defense against chitin-containing fungal pathogens.

Catalytic activityi

Random endo-hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase
Biological processCarbohydrate metabolism, Chitin degradation, Plant defense, Polysaccharide degradation
LigandChitin-binding

Protein family/group databases

CAZyiCBM18 Carbohydrate-Binding Module Family 18
GH19 Glycoside Hydrolase Family 19

Names & Taxonomyi

Protein namesi
Recommended name:
Endochitinase A2 (EC:3.2.1.14)
Gene namesi
Name:CHI2
OrganismiPisum sativum (Garden pea)
Taxonomic identifieri3888 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsFabalesFabaceaePapilionoideaeFabeaePisum

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 201 PublicationAdd BLAST20
ChainiPRO_000000530821 – 309Endochitinase A2Add BLAST289
PropeptideiPRO_0000005309310 – 324Removed in mature formBy similarityAdd BLAST15

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi23 ↔ 38PROSITE-ProRule annotation
Disulfide bondi32 ↔ 44PROSITE-ProRule annotation
Disulfide bondi37 ↔ 51PROSITE-ProRule annotation
Disulfide bondi55 ↔ 59PROSITE-ProRule annotation
Disulfide bondi151 ↔ 170PROSITE-ProRule annotation
Disulfide bondi269 ↔ 301PROSITE-ProRule annotation

Keywords - PTMi

Disulfide bond

Proteomic databases

PRIDEiP21226

Expressioni

Inductioni

By infection with the fungal pathogen Ascochyta pisi.

Structurei

3D structure databases

ProteinModelPortaliP21226
SMRiP21226
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini21 – 61Chitin-binding type-1PROSITE-ProRule annotationAdd BLAST41

Sequence similaritiesi

Keywords - Domaini

Signal

Family and domain databases

CDDicd00325 chitinase_glyco_hydro_19, 1 hit
Gene3Di3.30.60.10, 1 hit
InterProiView protein in InterPro
IPR001002 Chitin-bd_1
IPR018371 Chitin-binding_1_CS
IPR036861 Endochitinase-like_sf
IPR016283 Glyco_hydro_19
IPR000726 Glyco_hydro_19_cat
IPR023346 Lysozyme-like_dom_sf
PfamiView protein in Pfam
PF00187 Chitin_bind_1, 1 hit
PF00182 Glyco_hydro_19, 1 hit
PIRSFiPIRSF001060 Endochitinase, 1 hit
PRINTSiPR00451 CHITINBINDNG
SMARTiView protein in SMART
SM00270 ChtBD1, 1 hit
SUPFAMiSSF53955 SSF53955, 1 hit
SSF57016 SSF57016, 1 hit
PROSITEiView protein in PROSITE
PS00026 CHIT_BIND_I_1, 1 hit
PS50941 CHIT_BIND_I_2, 1 hit
PS00773 CHITINASE_19_1, 1 hit
PS00774 CHITINASE_19_2, 1 hit

Sequencei

Sequence statusi: Complete.

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

P21226-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSKLRIPILL VLFIVSCCSA EQCGTQAGGA LCPGGLCCSK FGWCGSTSEY
60 70 80 90 100
CGDGCQSQCS GSSGGGTLSS LISGDTFNNM LKHRNDNACQ GKPFYTYDAF
110 120 130 140 150
LSAAKAFPNF ANKGDTATKK REIAAFLGQT SHETTGGWPT APDGPYAWGY
160 170 180 190 200
CFLREQNPST YCQASSEFPC ASGKQYYGRG PIQISWNYNY GQCGRAIGVD
210 220 230 240 250
LLNNPDLVAT DPVISFKTAL WFWMTPQSPK PSCHDVITGG WTPSSADRAA
260 270 280 290 300
GRLPGYGTVT NIINGGLECG RGQDSRVQDR IGFYKRYCDI FGIGYGDNLD
310 320
CYSQRPFGSS LPLSSILLDT VAAA
Length:324
Mass (Da):34,678
Last modified:October 1, 1996 - v2
Checksum:i540F0DA5EC1DC2FA
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
L37876 Genomic DNA Translation: AAA75196.1
PIRiS56694

Similar proteinsi

Entry informationi

Entry nameiCHI2_PEA
AccessioniPrimary (citable) accession number: P21226
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 1, 1991
Last sequence update: October 1, 1996
Last modified: November 22, 2017
This is version 102 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

Direct protein sequencing

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

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