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- PDB-3ndy: The structure of the catalytic and carbohydrate binding domain of... -

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Basic information

Entry
Database: PDB / ID: 3ndy
TitleThe structure of the catalytic and carbohydrate binding domain of endoglucanase D from Clostridium cellulovorans
Components(Endoglucanase D) x 2
KeywordsHYDROLASE / cellulase / endoglucanase / xylanase / carbohydrate binding domain / glucanase
Function / homology
Function and homology information


cellulase / polysaccharide binding / cellulase activity / cellulose catabolic process
Similarity search - Function
Immunoglobulin-like - #290 / Cellulose binding domain / Carbohydrate-binding type-2 domain / CBM2 (Carbohydrate-binding type-2) domain profile. / CBD_II / CBM2, carbohydrate-binding domain superfamily / : / Glycoside hydrolase, family 5, conserved site / Glycosyl hydrolases family 5 signature. / CBM2/CBM3, carbohydrate-binding domain superfamily ...Immunoglobulin-like - #290 / Cellulose binding domain / Carbohydrate-binding type-2 domain / CBM2 (Carbohydrate-binding type-2) domain profile. / CBD_II / CBM2, carbohydrate-binding domain superfamily / : / Glycoside hydrolase, family 5, conserved site / Glycosyl hydrolases family 5 signature. / CBM2/CBM3, carbohydrate-binding domain superfamily / Glycoside hydrolase, family 5 / Cellulase (glycosyl hydrolase family 5) / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Biological speciesClostridium cellulovorans (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.1 Å
AuthorsBianchetti, C.M. / Smith, R.W. / Bingman, C.A. / Phillips Jr., G.N.
CitationJournal: To be Published
Title: The structure of the catalytic and carbohydrate binding domain of endoglucanase D
Authors: Bianchetti, C.M. / Smith, R.W. / Bingman, C.A. / Phillips Jr., G.N.
History
DepositionJun 8, 2010Deposition site: RCSB / Processing site: RCSB
SupersessionSep 8, 2010ID: 3ICG
Revision 1.0Sep 8, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Feb 21, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Endoglucanase D
E: Endoglucanase D
B: Endoglucanase D
F: Endoglucanase D
C: Endoglucanase D
G: Endoglucanase D
D: Endoglucanase D
H: Endoglucanase D
hetero molecules


Theoretical massNumber of molelcules
Total (without water)199,16612
Polymers198,3298
Non-polymers8374
Water35,4901970
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area17130 Å2
ΔGint-31 kcal/mol
Surface area58840 Å2
MethodPISA
Unit cell
Length a, b, c (Å)85.297, 119.050, 198.487
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein
Endoglucanase D / Endo-1 / 4-beta-glucanase D / Cellulase D


Mass: 38458.098 Da / Num. of mol.: 4 / Fragment: UNP residues 32-376
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Clostridium cellulovorans (bacteria) / Gene: engD / Plasmid: pBAD/thio-TOPO / Production host: Escherichia coli (E. coli) / Strain (production host): TOP10 / References: UniProt: P28623, cellulase
#2: Protein
Endoglucanase D / Endo-1 / 4-beta-glucanase D / Cellulase D


Mass: 11124.271 Da / Num. of mol.: 4 / Fragment: UNP residues 409-515
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Clostridium cellulovorans (bacteria) / Gene: engD / Production host: Escherichia coli (E. coli) / Strain (production host): TOP10 / References: UniProt: P28623, cellulase
#3: Chemical
ChemComp-BTB / 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL / BIS-TRIS BUFFER


Mass: 209.240 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C8H19NO5 / Comment: pH buffer*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1970 / Source method: isolated from a natural source / Formula: H2O
Compound detailsAUTHORS CRYSTALLIZED THE SEQUENCE CORRESPONDING TO UNP P28623 RESIDUES 32-515. HOWEVER, THIS ENTRY ...AUTHORS CRYSTALLIZED THE SEQUENCE CORRESPONDING TO UNP P28623 RESIDUES 32-515. HOWEVER, THIS ENTRY WAS SPILT INTO 2 MOLECULES, (CHAINS A,B,C,D) AND (CHAINS E,F,G,H), SINCE THE FLEXIBLE LINKER (RESIDUES 377-408), JOINING THE N-TERMINAL DOMAIN TO THE C-TERMINAL DOMAIN WAS NOT OBSERVED IN THE ELECTRON DENSITY MAP. THUS, IT IS IMPOSSIBLE TO KNOW FOR SURE WHICH N-TERMINAL DOMAIN (A,B,C,D) IS ASSOCIATED WITH WHICH C-TERMINAL DOMAIN (E,F,G,H) IN THIS CASE.
Sequence detailsRESIDUES 'TTTPTTPTTPTTPTTPTTPTTPTTPTTPTTPQ' CONSTITUTE THE FLEXIBLE LINKER THAT WAS NOT OBSERVED IN ...RESIDUES 'TTTPTTPTTPTTPTTPTTPTTPTTPTTPTTPQ' CONSTITUTE THE FLEXIBLE LINKER THAT WAS NOT OBSERVED IN THE ELECTRON DENSITY MAP

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.54 Å3/Da / Density % sol: 51.59 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 4.5
Details: 27% Polyethylene glycol 3350, 0.1 M BisTris pH 5.5. Cryoprotected with 29% Polyethylene glycol 3350, 5% ethylene glycol, 0.1 M BisTris pH 5.5, vapor diffusion, hanging drop, temperature ...Details: 27% Polyethylene glycol 3350, 0.1 M BisTris pH 5.5. Cryoprotected with 29% Polyethylene glycol 3350, 5% ethylene glycol, 0.1 M BisTris pH 5.5, vapor diffusion, hanging drop, temperature 277K, VAPOR DIFFUSION, HANGING DROP

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-G / Wavelength: 0.97857 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Jun 8, 2009 / Details: mirrors and beryllium lenses
RadiationMonochromator: C(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97857 Å / Relative weight: 1
ReflectionResolution: 2.1→50 Å / Num. obs: 118365 / % possible obs: 100 % / Redundancy: 5 % / Rmerge(I) obs: 0.117 / Χ2: 1.095 / Net I/σ(I): 7.3
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique allΧ2% possible all
2.1-2.1550.45677941.26100
2.15-2.250.39478271.213100
2.2-2.264.90.42677882.101100
2.26-2.3350.30878271.335100
2.33-2.45.10.26377891.133100
2.4-2.4950.20678361.052100
2.49-2.5950.17578521.041100
2.59-2.7150.15878250.904100
2.71-2.855.10.12478641.013100
2.85-3.035.10.178521.044100
3.03-3.2650.09478891.051100
3.26-3.5950.08779160.814100
3.59-4.1150.06679670.546100
4.11-5.184.90.04480150.988100
5.18-504.80.04283240.97299.7

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
PHENIX1.5_2refinement
PDB_EXTRACT3.1data extraction
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.1→37.219 Å / Occupancy max: 1 / Occupancy min: 0.12 / SU ML: 0.22 / σ(F): 1.33 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.195 5916 5.01 %
Rwork0.147 --
obs0.149 118099 99.71 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 38.168 Å2 / ksol: 0.34 e/Å3
Displacement parametersBiso max: 78.67 Å2 / Biso mean: 17.793 Å2 / Biso min: 2.73 Å2
Baniso -1Baniso -2Baniso -3
1--0.077 Å20 Å2-0 Å2
2--0.693 Å20 Å2
3----0.616 Å2
Refinement stepCycle: LAST / Resolution: 2.1→37.219 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13927 0 56 1970 15953
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00714434
X-RAY DIFFRACTIONf_angle_d1.00919685
X-RAY DIFFRACTIONf_chiral_restr0.0692168
X-RAY DIFFRACTIONf_plane_restr0.0042526
X-RAY DIFFRACTIONf_dihedral_angle_d18.4574989
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 30

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.1-2.1240.2421830.1713593377696
2.124-2.1490.2431900.16836683858100
2.149-2.1750.2232010.15836833884100
2.175-2.2020.241890.15737233912100
2.202-2.2310.2182140.16136613875100
2.231-2.2620.242070.183692389999
2.262-2.2940.2032090.1613693390299
2.294-2.3290.2242010.15636763877100
2.329-2.3650.2241990.16137413940100
2.365-2.4040.2171860.15436673853100
2.404-2.4450.2081940.15137313925100
2.445-2.490.2261860.14537393925100
2.49-2.5370.2092170.14836773894100
2.537-2.5890.2212110.14637333944100
2.589-2.6450.2162020.14536903892100
2.645-2.7070.2072140.14837023916100
2.707-2.7750.2171690.14737693938100
2.775-2.850.2121820.14437633945100
2.85-2.9340.1721970.14637473944100
2.934-3.0280.1921840.14637123896100
3.028-3.1360.2182020.1537673969100
3.136-3.2620.1931790.14237583937100
3.262-3.410.1761800.14638093989100
3.41-3.590.1721860.13737393925100
3.59-3.8150.1792200.13437443964100
3.815-4.1090.1681980.12838044002100
4.109-4.5220.1411950.11638033998100
4.522-5.1740.1622130.11438024015100
5.174-6.5130.1542080.13838694077100
6.513-37.2250.1862000.15940284228100

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