_EC 3.2.1.78 Mannan endo-1,4-beta-mannosidase. 34 PDB entries  
EC 3.-.-.- Hydrolases. [20,887 PDB entries]
EC 3.2.-.- Glycosylases. [4,012 PDB entries]
EC 3.2.1.- Glycosidases, i.e. enzymes hydrolyzing O- and S-glycosyl compound [3,489 PDB entries]
EC 3.2.1.78 Mannan endo-1,4-beta-mannosidase. [34 PDB entries]    
1bqc

Reaction: Random hydrolysis of (1->4)-beta-D-mannosidic linkages in mannans, galactomannans and glucomannans.
Other name(s): Beta-mannanase. Endo-1,4-mannanase.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are 34 PDB entries in enzyme class E.C.3.2.1.78

  PDB code Protein
1bqc
Beta-mannanase from thermomonospora fusca
Source: Thermobifida fusca. Organism_taxid: 2021. Strain: kw3. Other_details: german collection of microorganisms (dsm)
Chain: A (302 residues) CATH domain: 3.20.20.80
1gvy
Substrate distorsion by beta-mannanase from pseudomonas cellulosa
Source: Pseudomonas cellulosa. Organism_taxid: 155077. Expressed in: escherichia coli. Expression_system_taxid: 511693.
Chain: A (376 residues) CATH domain: 3.20.20.80
1gw1
Substrate distortion by beta-mannanase from pseudomonas cellulosa
Source: Pseudomonas cellulosa. Organism_taxid: 155077. Expressed in: escherichia coli. Expression_system_taxid: 511693.
Chain: A (375 residues) CATH domain: 3.20.20.80
1j9y
Crystal structure of mannanase 26a from pseudomonas cellulosa
Source: Cellvibrio japonicus. Organism_taxid: 155077. Gene: man26a. Expressed in: escherichia coli bl21. Expression_system_taxid: 511693.
Chain: A (337 residues) CATH domain: 3.20.20.80
1odz
Expansion of the glycosynthase repertoire to produce defined manno-oligosaccharides
Source: Cellvibrio japonicus. Pseudomonas cellulosa. Organism_taxid: 155077. Expressed in: escherichia coli. Expression_system_taxid: 511693.
Chains: A, B (379 residues) CATH domain: 3.20.20.80
1pmh
Crystal structure of caldicellulosiruptor saccharolyticus cbm27-1 in complex with mannohexaose
Source: Caldicellulosiruptor saccharolyticus. Organism_taxid: 44001. Strain: rt8b.4. Gene: mana. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: X (183 residues) CATH domain: 2.60.120.260
1pmj
Crystal structure of caldicellulosiruptor saccharolyticus cbm27-1
Source: Caldicellulosiruptor saccharolyticus. Organism_taxid: 44001. Strain: rt8b.4. Gene: mana. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: X (185 residues) CATH domain: 2.60.120.260
1r7o
Crystal structure of apo-mannanase 26a from psudomonas cellulosa
Source: Cellvibrio japonicus. Organism_taxid: 155077. Gene: man26a. Expressed in: escherichia coli bl21. Expression_system_taxid: 511693.
Chain: A (353 residues) CATH domain: 3.20.20.80
1rh9
Family gh5 endo-beta-mannanase from lycopersicon esculentum (tomato)
Source: Solanum lycopersicum. Organism_taxid: 4081. Gene: leman4a. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (370 residues) CATH domain: 3.20.20.80
2c0h
X-ray structure of beta-mannanase from blue mussel mytilus edulis
Source: Mytilus edulis. Blue mussel. Organism_taxid: 6550. Expressed in: pichia pastoris. Expression_system_taxid: 4922.
Chain: A (353 residues) CATH domain: 3.20.20.80
2man
Mannotriose complex of thermomonospora fusca beta-mannanase
Source: Thermobifida fusca. Organism_taxid: 2021. Strain: kw3. Other_details: german collection of microorganisms (dsm)
Chain: A (298 residues) CATH domain: 3.20.20.80
2qha
From structure to function: insights into the catalytic subs specificity and thermostability displayed by bacillus subti mannanase bcman
Source: Bacillus subtilis. Strain: z-2. Gene: man. Expressed in: escherichia coli.
Chains: A, B (336 residues) CATH domain: 3.20.20.80
2whj
Understanding how diverse mannanases recognise heterogeneous substrates
Source: Bacillus agaradhaerens. Organism_taxid: 76935. Strain: ncimb 40482. Expressed in: bacillus subtilis. Expression_system_taxid: 1423.
Chain: A (308 residues) CATH domain: 3.20.20.80
2whk
Structure of bacillus subtilis mannanase man26
Source: Bacillus subtilis. Organism_taxid: 1423. Strain: 168. Expressed in: escherichia coli. Expression_system_taxid: 469008.
Chain: A (332 residues) CATH domain: 3.20.20.80
2whl
Understanding how diverse mannanases recognise heterogeneous substrates
Source: Bacillus agaradhaerens. Organism_taxid: 76935. Strain: ncimb 40482. Expressed in: bacillus subtilis. Expression_system_taxid: 1423.
Chain: A (294 residues) CATH domain: 3.20.20.80
2whm
Cellvibrio japonicus man26a e121a and e320g double mutant in complex with mannobiose
Source: Cellvibrio japonicus. Organism_taxid: 155077. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (377 residues) CATH domain: 3.20.20.80
3cbw
Crystal structure of the ydht protein from bacillus subtilis
Source: Bacillus subtilis. Organism_taxid: 1423. Strain: 168. Gene: ydht, bsu05880. Expressed in: escherichia coli bl21(de3). Expression_system_taxid: 469008.
Chains: A, B (336 residues) CATH domain: 3.20.20.80
3jug
Crystal structure of endo-beta-1,4-mannanase from the alkali bacillus sp. N16-5
Source: Bacillus. Organism_taxid: 122631. Strain: n16-5. Gene: mana. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (294 residues) CATH domain: 3.20.20.80
3man
Mannohexaose complex of thermomonospora fusca beta-mannanase
Source: Thermobifida fusca. Organism_taxid: 2021. Strain: kw3. Other_details: german collection of microorganisms (dsm)
Chain: A (297 residues) CATH domain: 3.20.20.80
3pz9
Native structure of endo-1,4-beta-d-mannanase from thermotog petrophila rku-1
Source: Thermotoga petrophila. Organism_taxid: 390874. Strain: rku-1. Gene: tpet_1542. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (357 residues) CATH domain: 3.20.20.80
3pzg
I222 crystal form of the hyperthermostable endo-1,4-beta-d-m from thermotoga petrophila rku-1
Source: Thermotoga petrophila. Organism_taxid: 390874. Strain: rku-1. Gene: tpet_1542. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (357 residues) CATH domain: 3.20.20.80
3pzi
Structure of the hyperthermostable endo-1,4-beta-d-mannanase thermotoga petrophila rku-1 in complex with beta-d-glucose
Source: Thermotoga petrophila. Organism_taxid: 390874. Strain: rku-1. Gene: tpet_1542. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (357 residues) CATH domain: 3.20.20.80
3pzm
Structure of the hyperthermostable endo-1,4-beta-d-mannanase thermotoga petrophila rku-1 with three glycerol molecules
Source: Thermotoga petrophila rku-1. Organism_taxid: 390874. Strain: rku-1. Gene: tpet_1542. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (357 residues) CATH domain: 3.20.20.80
3pzn
Structure of the hyperthermostable endo-1,4-beta-d-mannanase thermotoga petrophila rku-1 with citrate and glycerol
Source: Thermotoga petrophila rku-1. Organism_taxid: 390874. Strain: rku-1. Gene: tpet_1542. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (363 residues) CATH domain: 3.20.20.80
3pzo
Structure of the hyperthermostable endo-1,4-beta-d-mannanase thermotoga petrophila rku-1 in complex with three maltose m
Source: Thermotoga petrophila rku-1. Organism_taxid: 390874. Strain: rku-1 / atcc baa-488 / dsm 13995. Gene: tpet_1542. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (357 residues) CATH domain: 3.20.20.80
3pzq
Structure of the hyperthermostable endo-1,4-beta-d-mannanase thermotoga petrophila rku-1 with maltose and glycerol
Source: Thermotoga petrophila rku-1. Organism_taxid: 390874. Strain: rku-1 / atcc baa-488 / dsm 13995. Gene: tpet_1542. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (357 residues) CATH domain: 3.20.20.80
3wfl
Crtstal structure of glycoside hydrolase family 5 beta-manna talaromyces trachyspermus
Source: Talaromyces trachyspermus. Organism_taxid: 28566. Strain: b168
Chain: A (341 residues)
3ziz
Crystal structure of podospora anserina gh5 beta-(1,4)-manna
Source: Podospora anserina. Organism_taxid: 5145. Strain: s mat. Expressed in: pichia pastoris. Expression_system_taxid: 4922.
Chain: A (345 residues) CATH domain: 3.20.20.80
3zm8
Crystal structure of podospora anserina gh26-cbm35 beta-(1,4)-mannanase
Source: Podospora anserina. Organism_taxid: 515849. Strain: s mat+. Expressed in: komagataella pastoris. Expression_system_taxid: 4922.
Chain: A (444 residues) CATH domains: 2.60.120.260 3.20.20.80
4awe
The crystal structure of chrysonilia sitophila endo-beta-d- 1,4-mannanase
Source: Neurospora sitophila. Organism_taxid: 40126. Other_details: common name red bread-mould, portuguese coll of fungus (ibet), deposited at the deutsche sammlung von mikroorganismen und zellkulturen gmbh, germany, under the 16514
Chain: A (381 residues) CATH domain: 3.20.20.80
4cd4
The structure of gh26 beta-mannanase cjman26c from cellvibrio japonicus in complex with manifg
Source: Cellvibrio japonicus. Organism_taxid: 498211. Strain: ueda107. Expressed in: escherichia coli. Expression_system_taxid: 511693.
Chain: A (367 residues) CATH domain: 3.20.20.80
4cd5
The structure of gh26 beta-mannanase cjman26c from cellvibrio japonicus in complex with manmim
Source: Cellvibrio japonicus. Organism_taxid: 498211. Strain: ueda107. Expressed in: escherichia coli. Expression_system_taxid: 511693.
Chain: A (367 residues) CATH domain: 3.20.20.80
4oou
Crystal structure of beta-1,4-d-mannanase from cryptopygus a
Source: Cryptopygus antarcticus. Organism_taxid: 187623. Expressed in: escherichia coli. Expression_system_taxid: 562
Chains: B, A (367 residues)
4ooz
Crystal structure of beta-1,4-d-mannanase from cryptopygus a in complex with mannopentaose
Source: Cryptopygus antarcticus. Organism_taxid: 187623. Expressed in: escherichia coli. Expression_system_taxid: 562
Chains: A, B (368 residues)