PDB: 1qba Compound: chitobiase Classification: GLYCOSYL HYDROLASE Entry date in PDB: 1997-01-11 Resolution [Å]: 1.85 R-Factor: 0.146

CHAIN: - SWISS-PROT/TREMBL: Q54468    KEYWORD: 3D-structure    Chitin degradation    Glycosidase    Hydrolase    Periplasmic    Signal    EC: 3.2.1.52 SCOP: b.1.18.2 All beta proteins    Immunoglobulin-like beta-sandwich    E set domains    E-set domains of sugar-utilizing enzymes    Bacterial chitobiase (N-acetyl-beta-glucoseaminidase), C-terminal domain    Serratia marcescens SCOP: b.2.2.3 All beta proteins    Common fold of diphtheria toxin/transcription factors/cytochrome f    Carbohydrate-binding domain    Bacterial chitobiase, n-terminal domain    Bacterial chitobiase, n-terminal domain    Serratia marcescens SCOP: c.1.8.6 Alpha and beta proteins (a/b)    TIM beta/alpha-barrel    (Trans)glycosidases    beta-N-acetylhexosaminidase catalytic domain    Bacterial chitobiase (beta-N-acetylhexosaminidase)    Serratia marcescens SCOP: d.92.2.1 Alpha and beta proteins (a+b)    Zincin-like    beta-N-acetylhexosaminidase-like domain    beta-N-acetylhexosaminidase domain    Bacterial chitobiase, Domain 2    Serratia marcescens GO:  beta-N-acetylhexosaminidase activity    carbohydrate binding    hydrolase activity, hydrolyzing O-glycosyl compounds    polysaccharide binding    carbohydrate metabolism

Image Source: PDB

Loops in ArchDB40 clusters

1qba_*_646 - HE => SUBCLASS : 1.1.1
1qba_*_426 - HE => SUBCLASS : 1.1.1
1qba_*_29 - HE => SUBCLASS : 1.2.1
1qba_*_354 - HE => SUBCLASS : 3.1.1
1qba_*_593 - HE => SUBCLASS : 3.1.1
1qba_*_246 - HE => SUBCLASS : 3.2.2
1qba_*_246 - HE => SUBCLASS : 3.5.5
1qba_*_507 - HE => SUBCLASS : 5.3.1
1qba_*_507 - HE => SUBCLASS : 5.6.2
1qba_*_823 - HA => SUBCLASS : 2.1.1
1qba_*_289 - HA => SUBCLASS : 2.2.8
1qba_*_289 - HA => SUBCLASS : 2.2.12
1qba_*_103 - HA => SUBCLASS : 4.25.1
1qba_*_151 - HA => SUBCLASS : 5.14.1
1qba_*_841 - HA => SUBCLASS : 5.19.1
1qba_*_298 - EH => SUBCLASS : 2.1.10
1qba_*_237 - EH => SUBCLASS : 7.20.1
1qba_*_340 - EH => SUBCLASS : 7.26.1
1qba_*_86 - AR => SUBCLASS : 3.2.7
1qba_*_830 - AR => SUBCLASS : 4.28.1
1qba_*_326 - AR => SUBCLASS : 4.34.1
1qba_*_454 - HH => SUBCLASS : 2.2.4
1qba_*_744 - HH => SUBCLASS : 2.16.1

Loops in ArchDB95 clusters

1qba_*_298 - EH => SUBCLASS : 2.1.14
1qba_*_659 - EH => SUBCLASS : 2.3.3
1qba_*_237 - EH => SUBCLASS : 6.9.1
1qba_*_731 - EH => SUBCLASS : 6.14.1
1qba_*_340 - EH => SUBCLASS : 7.40.1
1qba_*_326 - AR => SUBCLASS : 4.21.1
1qba_*_830 - AR => SUBCLASS : 4.27.1
1qba_*_454 - HH => SUBCLASS : 2.2.10
1qba_*_744 - HH => SUBCLASS : 2.14.1
1qba_*_646 - HE => SUBCLASS : 1.1.1
1qba_*_426 - HE => SUBCLASS : 1.1.1
1qba_*_29 - HE => SUBCLASS : 1.3.1
1qba_*_29 - HE => SUBCLASS : 1.4.1
1qba_*_246 - HE => SUBCLASS : 2.1.3
1qba_*_246 - HE => SUBCLASS : 2.1.7
1qba_*_593 - HE => SUBCLASS : 3.1.1
1qba_*_354 - HE => SUBCLASS : 3.1.1
1qba_*_507 - HE => SUBCLASS : 5.3.1
1qba_*_507 - HE => SUBCLASS : 5.3.2
1qba_*_507 - HE => SUBCLASS : 5.16.2
1qba_*_823 - HA => SUBCLASS : 2.1.1
1qba_*_289 - HA => SUBCLASS : 2.2.8
1qba_*_289 - HA => SUBCLASS : 2.2.13
1qba_*_103 - HA => SUBCLASS : 4.41.1
1qba_*_151 - HA => SUBCLASS : 5.13.1
1qba_*_841 - HA => SUBCLASS : 5.15.1

Loops not clustered in ArchDB

1qba_*_534 - AR
1qba_*_853 - AR
1qba_*_263 - AR
1qba_*_223 - AR
1qba_*_129 - AR
1qba_*_112 - AR
1qba_*_95 - AR
1qba_*_66 - AR
1qba_*_719 - AR
1qba_*_160 - EH
1qba_*_442 - EH
1qba_*_561 - EH
1qba_*_633 - EH
1qba_*_371 - EH
1qba_*_777 - EH
1qba_*_420 - EH
1qba_*_39 - HA
1qba_*_868 - HA
1qba_*_612 - HA
1qba_*_550 - HA
1qba_*_398 - HA
1qba_*_806 - HE
1qba_*_754 - HE
1qba_*_692 - HE
1qba_*_391 - HE
1qba_*_305 - HE
1qba_*_195 - HE
1qba_*_473 - HH
1qba_*_576 - HH
1qba_*_665 - HH
1qba_*_788 - HH

1c7t A - percentage of sequence identity: 99
1qbb - - percentage of sequence identity: 100