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- PDB-7lsa: Ruminococcus bromii Amy12 with maltoheptaose -

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Basic information

Entry
Database: PDB / ID: 7lsa
TitleRuminococcus bromii Amy12 with maltoheptaose
ComponentsPullulanase
KeywordsHYDROLASE / GH13 / pullulanase / CBM48 / complex
Function / homology
Function and homology information


pullulanase / pullulanase activity / cellulose catabolic process / extracellular region / metal ion binding
Similarity search - Function
MucBP domain / MucBP domain / Starch-binding module 26 / Starch-binding module 26 / Pullulanase, type I / Glycoside hydrolase, family 13, N-terminal / Carbohydrate-binding module 48 (Isoamylase N-terminal domain) / Dockerin domain / Dockerin domain profile. / Dockerin type I domain ...MucBP domain / MucBP domain / Starch-binding module 26 / Starch-binding module 26 / Pullulanase, type I / Glycoside hydrolase, family 13, N-terminal / Carbohydrate-binding module 48 (Isoamylase N-terminal domain) / Dockerin domain / Dockerin domain profile. / Dockerin type I domain / Dockerin type I repeat / Dockerin domain superfamily / Alpha amylase, catalytic domain / Glycosyl hydrolase, family 13, catalytic domain / Alpha-amylase domain / Glycosyl hydrolase, all-beta / Glycosidases / Immunoglobulin E-set / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Immunoglobulin-like fold / Alpha Beta
Similarity search - Domain/homology
alpha-maltotriose / alpha-maltopentaose / DI(HYDROXYETHYL)ETHER / pullulanase
Similarity search - Component
Biological speciesRuminococcus bromii (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.76 Å
AuthorsKoropatkin, N.M. / Cockburn, D.W. / Brown, H.A. / Kibler, R.D.
Funding support United States, 1items
OrganizationGrant numberCountry
United States - Israel Binational Science Foundation (BSF) United States
CitationJournal: J.Struct.Biol. / Year: 2021
Title: Structure and substrate recognition by the Ruminococcus bromii amylosome pullulanases.
Authors: Cockburn, D.W. / Kibler, R. / Brown, H.A. / Duvall, R. / Morais, S. / Bayer, E. / Koropatkin, N.M.
History
DepositionFeb 18, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 14, 2021Provider: repository / Type: Initial release
Revision 1.1Oct 18, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Pullulanase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)89,38913
Polymers87,1731
Non-polymers2,21612
Water12,971720
1
A: Pullulanase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)88,88512
Polymers87,1731
Non-polymers1,71211
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
hetero molecules


  • defined by author&software
  • 504 Da, 0 polymers
Theoretical massNumber of molelcules
Total (without water)5041
Polymers00
Non-polymers5041
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)46.977, 97.960, 167.089
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Pullulanase


Mass: 87172.875 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Ruminococcus bromii (bacteria) / Gene: pulA_2, RBL236_00821 / Production host: Escherichia coli BL21(DE3) (bacteria) / Variant (production host): pLysS / References: UniProt: A0A2N0UU23, pullulanase

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Sugars , 2 types, 2 molecules

#2: Polysaccharide alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D- ...alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose


Type: oligosaccharide, Oligosaccharide / Class: Substrate analog / Mass: 828.719 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: alpha-maltopentaose
DescriptorTypeProgram
DGlcpa1-4DGlcpa1-4DGlcpa1-4DGlcpa1-4DGlcpa1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,5,4/[a2122h-1a_1-5]/1-1-1-1-1/a4-b1_b4-c1_c4-d1_d4-e1WURCSPDB2Glycan 1.1.0
[][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{}}}}}LINUCSPDB-CARE
#3: Polysaccharide alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 504.438 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: alpha-maltotriose
DescriptorTypeProgram
DGlcpa1-4DGlcpa1-4DGlcpa1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,3,2/[a2122h-1a_1-5]/1-1-1/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{}}}LINUCSPDB-CARE

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Non-polymers , 4 types, 730 molecules

#4: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C3H8O3
#5: Chemical ChemComp-PEG / DI(HYDROXYETHYL)ETHER


Mass: 106.120 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C4H10O3
#6: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 720 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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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: 2.21 Å3/Da / Density % sol: 44.22 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: well solution: 16% PEG 3350, 4% glycerol, 0.3 ammonium acetate, and 0.1 M Bis-Tris pH 6.5; protein: 8.75 - 8.9 mg/ml Amy12 with 10mM maltoheptaose
Temp details: cold room

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Data collection

DiffractionMean temperature: 120 K / Ambient temp details: cryogenic / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-F / Wavelength: 0.979 Å
DetectorType: RAYONIX MX300-HS / Detector: CCD / Date: Feb 11, 2015
RadiationMonochromator: C(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 1.76→48.46 Å / Num. obs: 74259 / % possible obs: 95.9 % / Redundancy: 4.7 % / CC1/2: 0.99 / Net I/σ(I): 8.6
Reflection shellResolution: 1.76→1.82 Å / Num. unique obs: 5901 / CC1/2: 0.26

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassification
xia2data scaling
PHASERphasing
REFMAC5.8.0230refinement
PDB_EXTRACT3.27data extraction
xia2data reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2WAN

2wan


Resolution: 1.76→48.46 Å / Cor.coef. Fo:Fc: 0.969 / Cor.coef. Fo:Fc free: 0.947 / SU B: 7.334 / SU ML: 0.093 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.222 / ESU R Free: 0.114 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
RfactorNum. reflection% reflectionSelection details
Rfree0.2064 2010 2.7 %RANDOM
Rwork0.1592 ---
obs0.1604 72050 95.57 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso max: 53.86 Å2 / Biso mean: 19.913 Å2 / Biso min: 10.59 Å2
Baniso -1Baniso -2Baniso -3
1--0.55 Å20 Å20 Å2
2--0.2 Å20 Å2
3---0.35 Å2
Refinement stepCycle: final / Resolution: 1.76→48.46 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5871 0 146 720 6737
Biso mean--28.63 27.94 -
Num. residues----760
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0050.0146152
X-RAY DIFFRACTIONr_bond_other_d0.0010.0185253
X-RAY DIFFRACTIONr_angle_refined_deg0.9921.6848358
X-RAY DIFFRACTIONr_angle_other_deg0.8231.68412323
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.8455763
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.89724.155296
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.30615958
X-RAY DIFFRACTIONr_dihedral_angle_4_deg15.861519
X-RAY DIFFRACTIONr_chiral_restr0.0490.2852
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.026894
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021182
X-RAY DIFFRACTIONr_rigid_bond_restr0.464311405
X-RAY DIFFRACTIONr_sphericity_free20.2875406
X-RAY DIFFRACTIONr_sphericity_bonded7.256511595
LS refinement shellResolution: 1.76→1.806 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.385 132 -
Rwork0.376 4128 -
all-4260 -
obs--75.04 %
Refinement TLS params.Method: refined / Origin x: 62.4534 Å / Origin y: 99.9484 Å / Origin z: 188.2997 Å
111213212223313233
T0.0506 Å20.0017 Å20.0012 Å2-0.0737 Å2-0.0066 Å2--0.0079 Å2
L0.3959 °2-0.1358 °2-0.1477 °2-0.4803 °20.101 °2--0.8164 °2
S0.0353 Å °0.004 Å °0.0498 Å °-0.1424 Å °-0.0174 Å °-0.0146 Å °-0.0423 Å °0.0101 Å °-0.0179 Å °

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