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- PDB-2cin: Lysine aminotransferase from M. tuberculosis in the internal aldi... -

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Basic information

Entry
Database: PDB / ID: 2cin
TitleLysine aminotransferase from M. tuberculosis in the internal aldimine form
ComponentsL-LYSINE-EPSILON AMINOTRANSFERASE
KeywordsTRANSFERASE / INTERNAL ALDIMINE / PYRIDOXAL PHOSPHATE / PLP / RV3290C / AMINOTRANSFERASE / LYSINE AMINO TRANSFERASE / MYCOBACTERIUM TUBERCULOSIS
Function / homology
Function and homology information


L-lysine 6-transaminase / L-lysine 6-transaminase activity / : / gamma-aminobutyric acid catabolic process / antibiotic biosynthetic process / pyridoxal phosphate binding
Similarity search - Function
L-lysine 6-transaminase / : / Aminotransferases class-III pyridoxal-phosphate attachment site. / Aminotransferase class-III / Aminotransferase class-III / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain ...L-lysine 6-transaminase / : / Aminotransferases class-III pyridoxal-phosphate attachment site. / Aminotransferase class-III / Aminotransferase class-III / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain / Pyridoxal phosphate-dependent transferase, major domain / Pyridoxal phosphate-dependent transferase / Alpha-Beta Complex / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
PYRIDOXAL-5'-PHOSPHATE / Probable L-lysine-epsilon aminotransferase / L-lysine-epsilon aminotransferase
Similarity search - Component
Biological speciesMYCOBACTERIUM TUBERCULOSIS (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.98 Å
AuthorsTripathi, S.M. / Ramachandran, R.
CitationJournal: J.Mol.Biol. / Year: 2006
Title: Direct Evidence for a Glutamate Switch Necessary for Substrate Recognition: Crystal Structures of Lysine Epsilon-Aminotransferase (Rv3290C) from Mycobacterium Tuberculosis H37Rv.
Authors: Tripathi, S.M. / Ramachandran, R.
History
DepositionMar 24, 2006Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 14, 2006Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jan 24, 2018Group: Source and taxonomy / Category: entity_src_gen
Item: _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id / _entity_src_gen.pdbx_host_org_scientific_name ..._entity_src_gen.pdbx_host_org_ncbi_taxonomy_id / _entity_src_gen.pdbx_host_org_scientific_name / _entity_src_gen.pdbx_host_org_strain / _entity_src_gen.pdbx_host_org_variant
Revision 1.4Apr 9, 2025Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_entry_details / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _struct_conn.pdbx_leaving_atom_flag

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: L-LYSINE-EPSILON AMINOTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)49,3162
Polymers49,0691
Non-polymers2471
Water3,801211
1
A: L-LYSINE-EPSILON AMINOTRANSFERASE
hetero molecules

A: L-LYSINE-EPSILON AMINOTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)98,6324
Polymers98,1382
Non-polymers4942
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation4_556y,x,-z+11
MethodPQS
Unit cell
Length a, b, c (Å)103.267, 103.267, 98.227
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121

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Components

#1: Protein L-LYSINE-EPSILON AMINOTRANSFERASE / L-LYSINE AMINOTRANSFERASE / LYSINE 6-AMINOTRANSFERASE


Mass: 49068.969 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: LINK BETWEEN A300 AND A600 / Source: (gene. exp.) MYCOBACTERIUM TUBERCULOSIS (bacteria) / Strain: H37RV / Plasmid: PET23A / Production host: ESCHERICHIA COLI BL21(DE3) (bacteria) / Variant (production host): C41
References: UniProt: P63509, UniProt: P9WQ77*PLUS, L-lysine 6-transaminase
#2: Chemical ChemComp-PLP / PYRIDOXAL-5'-PHOSPHATE / VITAMIN B6 Phosphate


Mass: 247.142 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H10NO6P
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 211 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationN

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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: 2.5 Å3/Da / Density % sol: 50 %

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418
DetectorType: MARRESEARCH / Detector: CCD / Details: MIRRORS
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.98→24.56 Å / Num. obs: 42553 / % possible obs: 99.9 % / Observed criterion σ(I): 2 / Redundancy: 6.5 % / Rmerge(I) obs: 0.12 / Net I/σ(I): 15.9
Reflection shellResolution: 1.98→2.06 Å / Redundancy: 6.3 % / Rmerge(I) obs: 0.67 / Mean I/σ(I) obs: 3.3 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.2.0005refinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.98→89.44 Å / Cor.coef. Fo:Fc: 0.966 / Cor.coef. Fo:Fc free: 0.951 / SU B: 2.66 / SU ML: 0.074 / Cross valid method: THROUGHOUT / ESU R: 0.116 / ESU R Free: 0.112 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. RESIDUES 1 TO 14 WERE DISORDERED IN THE MAPS SCHIFF BASE LINK BETWEEN PLP AND LYS300
RfactorNum. reflection% reflectionSelection details
Rfree0.187 2151 5.1 %RANDOM
Rwork0.155 ---
obs0.157 40361 99.9 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 21.51 Å2
Baniso -1Baniso -2Baniso -3
1--0.13 Å2-0.06 Å20 Å2
2---0.13 Å20 Å2
3---0.19 Å2
Refinement stepCycle: LAST / Resolution: 1.98→89.44 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3350 0 15 211 3576
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0150.0223441
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.6261.9634683
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.9125434
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.38622.579159
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.83815532
X-RAY DIFFRACTIONr_dihedral_angle_4_deg22.151536
X-RAY DIFFRACTIONr_chiral_restr0.1480.2524
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.022669
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2380.21491
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3050.22360
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1910.2196
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2380.281
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.0820.221
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.9451.52226
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.48323475
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it2.60731361
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it4.1164.51208
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.98→2.03 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.282 150
Rwork0.217 2945

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