Carbohydrate-Binding Module Family 18

Activities in FamilyModules of approx. 40 residues. The chitin-binding function has been demonstrated in many cases. These modules are found attached to a number of chitinase catalytic domains, but also in non-catalytic proteins either in isolation or as multiple repeats.
External resourcesHOMSTRAD; SMART;
Statistics GenBank accession (1647); Uniprot accession (515); PDB accession (38); 3D entries (26); cryst (0)
All (1303) Bacteria (2) Eukaryota (1297) unclassified (4) Structure (26) Characterized (124)
| 1 | 2 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 chitinase 1 3.2.1.14 Allium sativum AAA32641.1 Q38777  
 chitinase 2 3.2.1.14 Allium sativum AAA32640.1 Q38776  
 chitinase (ChiB) 3.2.1.14 Arabidopsis halleri subsp. gemmifera BAA82826.1 Q9SXJ1  
 At3g12500 (chitinase B;ChiB;Pr3) (basic) 3.2.1.14 Arabidopsis thaliana AAA32769.1
AAG21643.1
AAG51023.1
AAK96819.1
AAM10081.1
AEE75203.1
BAA82810.1
BAA82811.1
BAA82812.1
BAA82813.1
BAA82814.1
BAA82815.1
BAA82816.1
BAA82817.1
BAA82818.1
BAA82819.1
BAA82820.1
BAA82821.1
BAA82822.1
BAA82823.1
BAA82824.1
BAA82825.1
BAB03157.1
NP_187856.1
NP_566426.1
P19171  
 chitinase IV5 (ChitIV5;CHIV;CHI-IV;AtChitIV5;AtChitIV;AtEP3;At3g54420) 3.2.1.14 Arabidopsis thaliana CAA74930.1
AAQ62423.1
AEE79228.1
BAD44251.1
CAB81807.1
NP_191010.1
O23248
Q9M2U5
 
 chitinase IV4 (ChitIV4;AtChitIV4;At2g43610) 3.2.1.14 Arabidopsis thaliana AAB64045.1
AAL62349.1
AAM48043.1
AEC10295.1
NP_181889.1
O22842  
 chitinase IV3 (ChitIV3;AtChitIV3;At2g43590) 3.2.1.14 Arabidopsis thaliana AAB64047.1
AAB64320.1
AAM14810.1
AAP88360.1
AEC10293.1
BAF00136.1
NP_181887.1
O24658  
 chitinase IV1 (ChitIV1;AtChitIV1;At2g43570) 3.2.1.14 Arabidopsis thaliana AAB64049.1
AAB64318.1
AAM14808.1
AAM20661.1
AAO30080.1
AEC10291.1
BAE98366.1
NP_181885.1
O24603  
 chitinase C (ChiC;AN9390.2) 3.2.1.14 Aspergillus nidulans FGSC A4 EAA66457.1
AAG34171.1
C8VRJ3
Q5AQP0
 
 chitinase C (ChiC;AN9390.2) 3.2.1.14 Aspergillus nidulans FGSC A4 EAA66457.1
AAG34171.1
C8VRJ3
Q5AQP0
 
 exo-chitinase (CfcI;An02g13580) 3.2.1.- Aspergillus niger CBS 513.88 CAK47771.1 A2QF78  
 chitinase (Chi1;BoCHI1) 3.2.1.14 Bambusa oldhamii AAR18735.1 Q6SPQ7  
 chitinase 4 (Ch4) 3.2.1.14 Beta vulgaris CAA53544.1
CAA01677.1
   
 chitinase (SP2) 3.2.1.14 Beta vulgaris AAA32916.1 P42820  
 chitinase (Ch1;Chi2;Chi3) 3.2.1.14 Brassica juncea AAF02299.1
ABC04842.1
Q9SQF7  
 chitinase (Ch1;Chi2;Chi3) 3.2.1.14 Brassica juncea AAF02299.1
ABC04842.1
Q9SQF7  
 chitinase 3.2.1.14 Brassica napus AAK62047.1
AAB01665.1
Q43391
Q94C47
 
 chitinase-25 3.2.1.14 Brassica napus AAA32986.1 Q09023  
 chitinase B4 3.2.1.14 Brassica napus CAA43708.1 Q06209  
 chitinase (BiCht1) 3.2.1.14 Bromus inermis BAG12896.1 B1B6T0  
 cell-wall active enzyme (Utr2;Csf4;CaO19.1671) 2.4.1.-
3.2.1.-
Candida albicans SC5314 EAL02960.1
AOW28214.1
EAL02833.1
Q5AJC0  
 chitinase 1B (ChiA1;Cas s 5) 3.2.1.14 Castanea sativa CAA64868.1
AAB01895.1
ADN39439.1
Q42428  
 chitinase (Chi58) 3.2.1.14 Chaetomium cupreum ABK27625.2
ABI48362.2
Q0GA12  
 chitinase (Chi58) 3.2.1.14 Chaetomium cupreum ABK27625.2
ABI48362.2
Q0GA12  
 chitinase (Cap9) 3.2.1.14 Chenopodium amaranticolor BAA22965.1 O23803  
 chitinase (Cam18) 3.2.1.14 Chenopodium amaranticolor BAA22966.1 O23804  
 chitinase (Cam19) 3.2.1.14 Chenopodium amaranticolor BAA22967.1 O23805  
 chitinase (Cam24) 3.2.1.14 Chenopodium amaranticolor BAA22968.1 O23806  
 chitinase 3.2.1.14 Cicer arietinum CAA10189.1 Q9ZP10  
 chitinase (SafchiA) 3.2.1.14 Crocus sativus ACC68684.1 B5L6N2  
 chitinase (ChitP1) 3.2.1.14 Cucurbita cv. Ebisu Nankin BAA31131.1 O80404  
 chitinase (ChiA4;Ep3;EP3-1/H5) 3.2.1.14 Daucus carota AAC49435.1 Q96408  
 chitinase (EP3B/E6) 3.2.1.14 Daucus carota AAB08470.1 Q96411  
 chitinase I (Chit1) 3.2.1.14 Dionaea muscipula AHB62682.1
ALO61073.1
   
 chitinase 3.2.1.14 Dioscorea japonica AAB22453.1
AAB23692.1
P80052  
 chitinase 3.2.1.14 Dioscorea oppositifolia BAC56863.1
ABJ31179.1
Q852P9  
 chitinase (acidic) 3.2.1.14 Elaeagnus umbellata AAC16010.1 O65330  
 chitinase (Basic) 3.2.1.14 Elaeagnus umbellata AAC16011.1 O65331  
 chitinase (ChiA1;ChN1) 3.2.1.14 Glycine max AAK01734.1
AAF17593.1
Q9SDY6  
 chitinase 3.2.1.14 Gossypium hirsutum AAD11255.1 Q9ZTT8  
 chitinase 1 3.2.1.14 Gossypium hirsutum AAB67842.1
ADI56257.1
D7RTU7
Q39799
 
 chitinase 2 3.2.1.14 Gossypium hirsutum AAB68047.1 Q39785  
 chitinase 3.2.1.14 Hordeum vulgare AAA18586.1 P11955  
 chitinase-33 (Chi33) 3.2.1.14 Hordeum vulgare AAA56787.1
BAK04967.1
Q42839  
 chitinase (HCH1) 3.2.1.14 Humulus lupulus AAD34596.1 Q9XFK6  
 chitinase / tRNase killer gammα-toxin (zymocin α-subunit) 3.2.1.14 Kluyveromyces lactis CAA25334.1
CAA25569.1
CAA30137.1
P09805  
 chitinase (KB1) 3.2.1.14 Leucaena leucocephala DE WIT (LEUCOPLAST) AAM49597.2 Q8MD06  
 class Ib chitinase (Chi31;LbChi31) 3.2.1.14 Limonium bicolor ACE79210.1
ABD92819.1
B3VFX0  
 chitinase 3.2.1.14 Medicago sativa AAB41324.1
AAB41325.1
ABX90065.1
P94084  
 chitinase 3.2.1.14 Medicago truncatula CAA71402.1
ABE78451.1
AFK35074.1
AFK39833.1
P93327  
 chitinase 1 (ChiA;McChit1) 3.2.1.14 Momordica charantia ABD66068.1 Q207U1  
 chitinase (Chi-1;MpChi-1) 3.2.1.14 Musa x paradisiaca ABD47583.1 Q2HJJ5  
 class IV chitinase (NaChit1;NaCHIT1) 3.2.1.14 Nepenthes alata BAF98919.1 A9ZMK1  
 endochitinase (ChnB) 3.2.1.14 Nicotiana sylvestris CAC17793.1 Q9FEW1  
 chitinase A (ChiA;Chn48;CHN A) 3.2.1.14 Nicotiana tabacum CAA34812.1
AAB23374.1
ABC04847.1
CAA01356.2
CAA01530.1
CAA34813.1
P08252  
 chitinase B (ChiB;Chn50;Chn200) 3.2.1.14 Nicotiana tabacum CAA35945.1
AAA34070.1
AAE52534.1
CAA01263.1
CAA45822.1
P24091  
 chitinase (Chn14) 3.2.1.14 Nicotiana tabacum CAA45821.1 P29059  
 chitinase 3.2.1.14 Oryza sativa CAA82849.1 Q40667  
 chitinase 3.2.1.14 Oryza sativa CAA82850.1 Q40668  
 chitinase (OsChi) 3.2.1.14 Oryza sativa Indica Group CPSLO17 ABU25226.1 A7UC81  
 chitinase 3.2.1.14 Oryza sativa Indica Group IR36 BAA33762.1 Q9SAY3  
 chitinase 3.2.1.14 Oryza sativa Indica Group IR36 AAA51377.1
AAL34318.1
Q42992
Q8VWZ5
 
 chitinase 3.2.1.14 Oryza sativa Indica Group IR36 CAA60590.1 Q42995  
 chitinase 3.2.1.14 Oryza sativa Indica Group IR58 AAA18585.1 Q42970  
 chitinase (ChiA1) 3.2.1.14 Oryza sativa IR24 AAN93816.1
AAN93817.1
BAA25638.1
O64451  
 chitinase (Cht7;ChiA1d;Os05g0399700) 3.2.1.14 Oryza sativa Japonica Group BAC76690.1
AAT85136.1
AAU10808.1
BAF17392.1
BAG92366.1
BAS93905.1
Q7Y1Z1  
 chitinase (Os03g0418000; Cht12) 3.2.1.14 Oryza sativa Japonica Group AAP44624.1
AAR01697.1
BAF12287.1
BAS84717.1
P25765  
 chitinase (Chia2b;Cht4;Os04g0493400) 3.2.1.14 Oryza sativa Japonica Group CAD41540.2
BAS89866.1
Q7XU64  
 chitinase (Cht1;Chia1a;Cht-1;P0017G10.4;P0548E04.24;Os06g0726200) 3.2.1.14 Oryza sativa Japonica Group BAA03749.1
ABL74564.1
BAD61709.1
BAD61801.1
BAS99596.1
CAA39535.1
Q42993  
 chitinase (Cht3;Chia1c;Cht-3;Os06g0726100) 3.2.1.14 Oryza sativa Japonica Group BAA03751.1
ADM86858.1
BAD61708.1
BAD61800.1
BAF20540.1
BAG87832.1
BAS99595.1
CAA38249.1
P24626
Q0D9D3
 
 chitinase (Cht2;OsChia1b;Cht-2;Os05g0399300;RCC2) 3.2.1.14 Oryza sativa Japonica Group BAA03750.1
BAF17390.1
BAS93903.1
CAA40107.1
Q43294
Q7DNA1
2DKV[A]
 class 1 chitinase (Chi-1;SBF1;SBF2) 3.2.1.14 Panax ginseng ACN96317.1 C1K2M3  
 chitinase (Chi1) 3.2.1.14 Persea americana CAB01591.1 P93680  
 chitinase 3.2.1.14 Phaseolus vulgaris AAA33756.1
AAA33757.1
AAE52535.1
P06215  
 chitinase-4 3.2.1.14 Phaseolus vulgaris ABC04849.1
CAA40474.1
P27054  
 chitinase-5 3.2.1.14 Phaseolus vulgaris AAB23263.1
AAR27240.2
P36361  
 chitinase (Chia4-Pa2;PaChi) 3.2.1.14 Picea abies AAQ17051.1
ACM89954.1
Q6WSR8  
 class I chitinase (Chia1-2;PgeChia1-2) 3.2.1.14 Picea engelmannii x Picea glauca AEF59000.1    
 class I chitinase (Chia1-1;PgeChia1-1) 3.2.1.14 Picea engelmannii x Picea glauca AEF58999.1    
 chitinase 3.2.1.14 Picea glauca AAA85364.1 Q40838  
 class I chitinase (Chia1-1;PcChia1-1) 3.2.1.14 Pinus contorta AEF59005.1    
 chitinase 3.2.1.14 Pisum sativum CAA45359.1
SIW61773.1
SIW61773.1
SIW61773.2
P36907  
 chitinase 2 3.2.1.14 Pisum sativum AAA75196.1 P21226  
 chitinase (Chi2) 3.2.1.14 Poa pratensis AAF04454.1 Q9SQL3  
 chitinase (Chi1) 3.2.1.14 Poa pratensis AAF04453.1 Q9SQL4  
 chitinase 6 3.2.1.14 Populus sp. AAA57277.1
AAA57278.1
P16579  
 chitinase 8 (WIN8;CHI) 3.2.1.14 Populus sp. AAA96702.1
AAE52536.1
P16061  
 chitinase B 3.2.1.14 Populus trichocarpa CAA42612.1 P29031  
 chitinase 3.2.1.14 Psophocarpus tetragonolobus BAB13369.1 Q9FXL8  
 chitin β-1,3/1,6-glucanosyltransferase (Crh2;Utr2;Yel040w;SYGP-ORF18) 2.4.1.- Saccharomyces cerevisiae S288c AAB65002.1
AAT93033.1
NP_010874.1
D3DLK9
P32623
 
 cell-wall active enzyme (Crr1;YLR213C) 2.4.1.-
3.2.1.-
Saccharomyces cerevisiae S288c AAB67443.1
NP_013314.1
Q05790  
 chitinase (JET15) 3.2.1.14 Sambucus nigra CAA87072.1 Q43150  
 chitinase A (RsC-A) 3.2.1.14 Secale cereale BAB18519.1 Q9FRV1  
 endochitinase-antifreeze protein (Cht9) 3.2.1.14 Secale cereale AAG53609.1 Q9AXR9  
 chitinase C (Chi9) 3.2.1.14 Solanum lycopersicum CAA78845.1 Q05538  
 chitinase 3.2.1.14 Solanum tuberosum AAE52533.1
CAA30142.1
CAA33517.1
P05315  
 chitinase (ChtB3) 3.2.1.14 Solanum tuberosum CAA32351.1 P52405  
 chitinase 1 (ChtB1) 3.2.1.14 Solanum tuberosum AAA18332.1 P52403  
 chitinase 2 (ChtB2) 3.2.1.14 Solanum tuberosum AAA17408.1 P52404  
 chitinase 3 (ChtB3) 3.2.1.14 Solanum tuberosum AAA17409.1 P52405
P52405
 
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