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- PDB-1enx: STRUCTURAL COMPARISON OF TWO MAJOR ENDO-1,4-BETA-XYLANASES FROM T... -

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Basic information

Entry
Database: PDB / ID: 1enx
TitleSTRUCTURAL COMPARISON OF TWO MAJOR ENDO-1,4-BETA-XYLANASES FROM TRICHODREMA REESEI
ComponentsENDO-1,4-BETA-XYLANASE II
KeywordsHYDROLASE / XYLANASE
Function / homology
Function and homology information


endo-1,4-beta-xylanase activity / endo-1,4-beta-xylanase / xylan catabolic process / extracellular region
Similarity search - Function
Glycoside hydrolase family 11, active site 2 / Glycosyl hydrolases family 11 (GH11) active site signature 2. / Glycoside hydrolase family 11/12, catalytic domain / Glycoside hydrolase family 11, active site 1 / Glycosyl hydrolases family 11 (GH11) active site signature 1. / Glycoside hydrolase family 11 / Glycosyl hydrolases family 11 (GH11) domain / Glycosyl hydrolases family 11 / Glycosyl hydrolases family 11 (GH11) domain profile. / Glycoside hydrolase family 11/12 ...Glycoside hydrolase family 11, active site 2 / Glycosyl hydrolases family 11 (GH11) active site signature 2. / Glycoside hydrolase family 11/12, catalytic domain / Glycoside hydrolase family 11, active site 1 / Glycosyl hydrolases family 11 (GH11) active site signature 1. / Glycoside hydrolase family 11 / Glycosyl hydrolases family 11 (GH11) domain / Glycosyl hydrolases family 11 / Glycosyl hydrolases family 11 (GH11) domain profile. / Glycoside hydrolase family 11/12 / Concanavalin A-like lectin/glucanase domain superfamily / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
Endo-1,4-beta-xylanase 2
Similarity search - Component
Biological speciesHypocrea jecorina (fungus)
MethodX-RAY DIFFRACTION / Resolution: 1.5 Å
AuthorsRouvinen, J. / Torronen, A.
Citation
Journal: Biochemistry / Year: 1995
Title: Structural comparison of two major endo-1,4-xylanases from Trichoderma reesei.
Authors: Torronen, A. / Rouvinen, J.
#1: Journal: Embo J. / Year: 1994
Title: Three-Dimensional Structure of Endo-1,4-Beta-Xylanase II from Trichoderma Reesei: Two Conformational States in the Active Site
Authors: Torronen, A. / Harkki, A. / Rouvinen, J.
History
DepositionNov 14, 1994Processing site: BNL
Revision 1.0Aug 8, 1995Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 2.0Dec 25, 2019Group: Derived calculations / Other / Polymer sequence
Category: entity_poly / pdbx_database_status ...entity_poly / pdbx_database_status / pdbx_struct_mod_residue / struct_conn
Item: _entity_poly.pdbx_seq_one_letter_code_can / _pdbx_database_status.process_site ..._entity_poly.pdbx_seq_one_letter_code_can / _pdbx_database_status.process_site / _pdbx_struct_mod_residue.parent_comp_id / _struct_conn.pdbx_leaving_atom_flag
Revision 2.1Oct 30, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature
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: ENDO-1,4-BETA-XYLANASE II
B: ENDO-1,4-BETA-XYLANASE II


Theoretical massNumber of molelcules
Total (without water)41,6772
Polymers41,6772
Non-polymers00
Water5,513306
1
A: ENDO-1,4-BETA-XYLANASE II


Theoretical massNumber of molelcules
Total (without water)20,8381
Polymers20,8381
Non-polymers00
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: ENDO-1,4-BETA-XYLANASE II


Theoretical massNumber of molelcules
Total (without water)20,8381
Polymers20,8381
Non-polymers00
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)81.550, 60.800, 38.150
Angle α, β, γ (deg.)90.00, 94.38, 90.00
Int Tables number4
Space group name H-MP1211
Atom site foot note1: CIS PROLINE - PRO A 53 / 2: CIS PROLINE - PRO A 83 / 3: CIS PROLINE - PRO B 53 / 4: CIS PROLINE - PRO B 83
Noncrystallographic symmetry (NCS)NCS oper: (Code: given
Matrix: (0.9869, -0.0241, 0.1598), (-0.025, -0.9997, 0.0035), (0.1596, -0.0074, -0.9872)
Vector: 39.9876, 58.0354, 12.7304)
DetailsMTRIX THE TRANSFORMATIONS PRESENTED ON MTRIX RECORDS BELOW DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG THE VARIOUS DOMAINS IN THIS ENTRY. APPLYING THE APPROPRIATE MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED SECOND. APPLIED TO TRANSFORMED TO MTRIX RESIDUES RESIDUES RMSD M1 A 1 .. A 190 B 1 .. B 190 0.232

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Components

#1: Protein ENDO-1,4-BETA-XYLANASE II


Mass: 20838.436 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Hypocrea jecorina (fungus) / References: UniProt: P36217, endo-1,4-beta-xylanase
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 306 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.26 Å3/Da / Density % sol: 45.62 %
Crystal grow
*PLUS
pH: 4.2 / Method: vapor diffusion, hanging drop / Details: Torronen, A., (1993) J. Mol. Biol., 233, 313.
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
115 mg/mlprotein1drop
250 mMsodium acetate1drop
325 %ammonium sulfate1drop
425 %ammonium sulfate1reservoir

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionNum. obs: 46045 / % possible obs: 76 % / Observed criterion σ(F): 1
Reflection
*PLUS
Highest resolution: 1.5 Å / Lowest resolution: 8 Å / Num. measured all: 86310 / Rmerge F obs: 0.0916

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
RefinementResolution: 1.5→8 Å / σ(F): 1 /
RfactorNum. reflection
Rwork0.193 -
obs0.193 45625
Displacement parametersBiso mean: 16.92 Å2
Refinement stepCycle: LAST / Resolution: 1.5→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2970 0 0 306 3276
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.009
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.6
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.2
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_deg27.2
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.2

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