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ENZYME

ENZYME entry: EC 3.2.1.14

Accepted Name
chitinase
Alternative Name(s)
1,4-beta-poly-N-acetylglucosaminidase
chitodextrinase
poly-beta-glucosaminidase
Reaction catalysed
Random endo-hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins
Comment(s)
  • The enzyme binds to chitin and randomly cleaves glycosidic linkages in chitin and chitodextrins in a non-processive mode, generating chitooligosaccharides and free ends on which exo-chitinases and exo- chitodextrinases can act.
  • Activity is greatly stimulated in the presence of EC 1.14.99.53, which attacks the crystalline structure of chitin and makes the polymer more accesible to the chitinase. cf. EC 3.2.1.202.
Cross-references
BRENDA 3.2.1.14
EC2PDB 3.2.1.14
ExplorEnz 3.2.1.14
PRIAM enzyme-specific profiles 3.2.1.14
KEGG Ligand Database for Enzyme Nomenclature 3.2.1.14
IUBMB Enzyme Nomenclature 3.2.1.14
IntEnz 3.2.1.14
MEDLINE Find literature relating to 3.2.1.14
MetaCyc 3.2.1.14
Rhea expert-curated reactions 3.2.1.14
UniProtKB/Swiss-Prot
P11218, AGI_URTDI P84708, CAI_PHAVU Q9W5U2, CHI10_DROME
Q5NB11, CHI10_ORYSJ O74199, CHI11_METAN Q10S66, CHI11_ORYSJ
P25765, CHI12_ORYSJ Q838S2, CHI18_ENTFA P32470, CHI1_APHAL
D4AT07, CHI1_ARTBC Q5AAH2, CHI1_CANAL P46876, CHI1_CANAX
P86078, CHI1_CAPAA P86081, CHI1_CAPCH P29137, CHI1_CASSA
Q1E3R8, CHI1_COCIM C5P230, CHI1_COCP7 P0CB51, CHI1_COCPS
P85343, CHI1_GINBI Q39799, CHI1_GOSHI P11955, CHI1_HORVU
O14456, CHI1_METAN E9ERT9, CHI1_METRA Q42993, CHI1_ORYSJ
P21225, CHI1_PEA H2A0L4, CHI1_PINMG P29025, CHI1_RHINI
P29026, CHI1_RHIOL P52403, CHI1_SOLTU P29115, CHI1_STROI
P85337, CHI1_TAXBA Q41596, CHI1_THECC P08252, CHI1_TOBAC
B6A876, CHI1_YERET Q06014, CHI2_ARAHY D4AVJ0, CHI2_ARTBC
Q09023, CHI2_BRANA P40953, CHI2_CANAL P86079, CHI2_CAPAA
P86082, CHI2_CAPCH Q1EAR5, CHI2_COCIM P54197, CHI2_COCP7
Q39785, CHI2_GOSHI P23951, CHI2_HORVU Q4U4T0, CHI2_METAN
E9F9R9, CHI2_METRA Q7DNA1, CHI2_ORYSJ P21226, CHI2_PEA
H2A0L5, CHI2_PINMG P29027, CHI2_RHIOL P52404, CHI2_SOLTU
P29116, CHI2_STROI P85338, CHI2_TAXBA P24091, CHI2_TOBAC
Q06350, CHI2_YEAST B6A879, CHI2_YERET D4B4X4, CHI33_ARTBC
Q12713, CHI33_TRIHA Q8NJQ5, CHI37_TRIHA Q06015, CHI3_ARAHY
P40954, CHI3_CANAL Q6QDR4, CHI3_METAN E9ENC6, CHI3_METRA
P24626, CHI3_ORYSJ P52405, CHI3_SOLTU P85355, CHI3_TAXBA
P29059, CHI3_TOBAC P48827, CHI42_TRIHA A6N6J0, CHI46_TRIHA
Q06016, CHI4_ARAHY Q06209, CHI4_BRANA Q5AM60, CHI4_CANAL
Q5NTA4, CHI4_CRYJA C9WJD0, CHI4_METAN E9F7R6, CHI4_METRA
O04138, CHI4_ORYSJ P27054, CHI4_PHAVU P52406, CHI4_SOLTU
A0A8G1A3Q5, CHI52_PAEXY O24598, CHI58_ARATH O24658, CHI59_ARATH
Q9M2U5, CHI5_ARATH Q7Y1Z0, CHI5_ORYSJ P36361, CHI5_PHAVU
O22842, CHI61_ARATH O22841, CHI62_ARATH Q6K8R2, CHI6_ORYSJ
P16579, CHI6_POPTR Q9SAY3, CHI7_ORYSI Q7Y1Z1, CHI7_ORYSJ
Q7XCK6, CHI8_ORYSJ P16061, CHI8_POPTR Q688M5, CHI9_ORYSJ
Q873Y0, CHIA1_ASPFM Q4WEP7, CHIA1_ASPFU A2QUQ2, CHIA1_ASPNC
Q92223, CHIA1_EMEND G5EB30, CHIA1_EMENI P20533, CHIA1_NIACI
Q06012, CHIA_ARAHY P19172, CHIA_ARATH Q95M17, CHIA_BOVIN
P36908, CHIA_CICAR P17541, CHIA_CUCSA P13656, CHIA_ECOLI
A5FB63, CHIA_FLAJ1 Q9BZP6, CHIA_HUMAN P29022, CHIA_MAIZE
Q91XA9, CHIA_MOUSE P29024, CHIA_PHAAN P32823, CHIA_PSEO7
Q6RY07, CHIA_RAT Q9FRV1, CHIA_SECCE P07254, CHIA_SERMA
Q40114, CHIA_SOLCI Q05539, CHIA_SOLLC P29060, CHIA_TOBAC
Q873X9, CHIB1_ASPFM E9QRF2, CHIB1_ASPFU G5EAZ3, CHIB1_EMENI
Q06013, CHIB_ARAHY P19171, CHIB_ARATH Q92222, CHIB_EMEND
P29023, CHIB_MAIZE P21227, CHIB_PEA P29031, CHIB_POPTR
P11797, CHIB_SERMA Q05540, CHIB_SOLLC P29061, CHIB_TOBAC
P51613, CHIB_VITVI O81862, CHIC_ARATH P29032, CHIC_POPTR
Q9FRV0, CHIC_SECCE Q05538, CHIC_SOLLC P27050, CHID_NIACI
Q05537, CHID_SOLLC P36910, CHIE_BETVU C0HLT5, CHIGU_GLUUR
P42820, CHIP_BETVU P17513, CHIP_TOBAC P17514, CHIQ_TOBAC
Q13231, CHIT1_HUMAN Q9D7Q1, CHIT1_MOUSE Q9SLP4, CHIT1_TULSB
Q9W092, CHIT2_DROME Q7M443, CHIT2_TULSB P51614, CHIT3_VITVI
A0A1B1J8Z2, CHIT5_LOTJA P86473, CHIT_ACTCC P86181, CHIT_AVESA
P29030, CHIT_BRUMA Q11174, CHIT_CAEEL P85084, CHIT_CARPA
P80052, CHIT_DIOJA P36362, CHIT_MANSE P41684, CHIT_NPVAC
O10363, CHIT_NPVOP P93680, CHIT_PERAE P29021, CHIT_PETHY
P06215, CHIT_PHAVU Q8I4R4, CHIT_PLAF7 G1UH28, CHIT_PUNGR
P14529, CHIT_SACEN P05315, CHIT_SOLTU P36909, CHIT_STRLI
P11220, CHIT_STRPL P84754, CHIT_STRVL P86977, CHIT_STRVO
C0HJM6, CHIT_TRISX P29029, CHIT_YEAST Q2VST0, CHIT_ZIZMA
P36907, CHIX_PEA Q05638, CHIX_STROI O24603, CHI_ARATH
P86955, CHI_PINMA P81241, CHLY_CARPA P23472, CHLY_HEVBR
P23473, CHLY_PARTH A0A072VEP0, CHT5A_MEDTR A0A072UR65, CHT5B_MEDTR
Q8S1V1, CLP_ORYSJ P15326, IAMY_COILA P86799, IPLAA_MORAL
P86800, IPLAB_MORAL P09805, KTXA_KLULA

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.-.-.-