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- PDB-7f8p: Crystal structure of the Mycobacterium tuberculosis L,D-transpept... -

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Basic information

Entry
Database: PDB / ID: 7f8p
TitleCrystal structure of the Mycobacterium tuberculosis L,D-transpeptidase-2 (LdtMt2) with new carbapenem drug T203
ComponentsL,D-transpeptidase 2
KeywordsHYDROLASE / L / D-transpeptidase / Cysteine protease
Function / homology
Function and homology information


peptidoglycan-protein cross-linking / peptidoglycan L,D-transpeptidase activity / Transferases; Acyltransferases; Aminoacyltransferases / acyltransferase activity / cell wall organization / regulation of cell shape / metal ion binding / plasma membrane
Similarity search - Function
Bacterial Ig domain, transpeptidase-associated / Bacterial Ig domain / : / L,D-transpeptidase (L,D-TPase) catalytic domain profile. / L,D-transpeptidase catalytic domain / L,D-transpeptidase catalytic domain / L,D-transpeptidase catalytic domain-like / Prokaryotic membrane lipoprotein lipid attachment site profile.
Similarity search - Domain/homology
Chem-56X / Chem-59I / GLUTAMIC ACID / L,D-transpeptidase 2
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsKumar, P. / Lamichhane, G.
Funding support India, United States, 3items
OrganizationGrant numberCountry
Science and Engineering Research Board (SERB)CRG/2019/005079 India
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)R33 AI111739 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)R21 AI137720 United States
CitationJournal: Elife / Year: 2022
Title: Allosteric cooperation in beta-lactam binding to a non-classical transpeptidase.
Authors: Ahmad, N. / Dugad, S. / Chauhan, V. / Ahmed, S. / Sharma, K. / Kachhap, S. / Zaidi, R. / Bishai, W.R. / Lamichhane, G. / Kumar, P.
History
DepositionJul 2, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 11, 2022Provider: repository / Type: Initial release
Revision 1.1May 25, 2022Group: Database references / Category: citation / citation_author / Item: _citation.title / _citation_author.identifier_ORCID
Revision 1.2Nov 29, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: L,D-transpeptidase 2
B: L,D-transpeptidase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,1768
Polymers79,0642
Non-polymers1,1126
Water15,385854
1
A: L,D-transpeptidase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)40,5526
Polymers39,5321
Non-polymers1,0205
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area230 Å2
ΔGint-1 kcal/mol
Surface area16180 Å2
MethodPISA
2
B: L,D-transpeptidase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)39,6242
Polymers39,5321
Non-polymers921
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area0 Å2
ΔGint0 kcal/mol
Surface area16130 Å2
MethodPISA
Unit cell
Length a, b, c (Å)60.799, 94.278, 75.707
Angle α, β, γ (deg.)90.000, 93.136, 90.000
Int Tables number4
Space group name H-MP1211
Space group name HallP2yb
Symmetry operation#1: x,y,z
#2: -x,y+1/2,-z

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein L,D-transpeptidase 2 / LDT 2 / Ldt(Mt2)


Mass: 39532.004 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Gene: ldtB, lppS, Rv2518c, RVBD_2518c, P425_02624 / Plasmid: pET28a / Production host: Escherichia coli (E. coli)
References: UniProt: I6Y9J2, Transferases; Acyltransferases; Aminoacyltransferases

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Non-polymers , 5 types, 860 molecules

#2: Chemical ChemComp-59I / (2R,3R)-3-methyl-4-(2-oxidanylidene-2-propan-2-yloxy-ethyl)sulfanyl-2-[(2R)-3-oxidanyl-1-oxidanylidene-butan-2-yl]-2,3-dihydro-1H-pyrrole-5-carboxylic acid


Mass: 345.411 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H23NO6S / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical ChemComp-GLU / GLUTAMIC ACID


Type: L-peptide linking / Mass: 147.129 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C5H9NO4
#5: Chemical ChemComp-56X / (4R,5S,6S)-6-((R)-1-hydroxyethyl)-3-((2-isopropoxy-2-oxoethyl)thio)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid


Mass: 343.395 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H21NO6S / Feature type: SUBJECT OF INVESTIGATION
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 854 / 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: 2.88 Å3/Da / Density % sol: 57.36 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / Details: 20% 5000 MME, 200mM Ammonium sulfate

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Apr 2, 2016
RadiationMonochromator: M / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.7→30.35 Å / Num. obs: 2095305 / % possible obs: 97.4 % / Redundancy: 5 % / Biso Wilson estimate: 11.97 Å2 / CC1/2: 0.97 / CC star: 0.975 / Rmerge(I) obs: 0.073 / Rpim(I) all: 0.036 / Rrim(I) all: 0.082 / Rsym value: 0.062 / Net I/σ(I): 23.7
Reflection shellResolution: 1.7→1.73 Å / Redundancy: 5 % / Rmerge(I) obs: 0.738 / Mean I/σ(I) obs: 3.4 / Num. unique obs: 4434 / CC1/2: 0.852 / CC star: 0.959 / Rpim(I) all: 0.364 / Rrim(I) all: 0.823 / Rsym value: 0.845 / Χ2: 0.781 / % possible all: 95.9

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Processing

Software
NameVersionClassification
PHENIX1.17.1_3660refinement
HKL-3000data reduction
HKL-3000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5DU7
Resolution: 1.7→30.35 Å / SU ML: 0.1456 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 18.5978
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.1876 3275 2.22 %
Rwork0.1654 144041 -
obs0.1659 147316 80.29 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 16.58 Å2
Refinement stepCycle: LAST / Resolution: 1.7→30.35 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5274 0 71 854 6199
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00645484
X-RAY DIFFRACTIONf_angle_d0.96877514
X-RAY DIFFRACTIONf_chiral_restr0.0598845
X-RAY DIFFRACTIONf_plane_restr0.0051982
X-RAY DIFFRACTIONf_dihedral_angle_d20.6799774
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.7-1.730.2585820.24113700X-RAY DIFFRACTION47.38
1.73-1.760.2428920.21643946X-RAY DIFFRACTION50.54
1.76-1.780.2548850.21324054X-RAY DIFFRACTION51.83
1.78-1.820.254820.20534104X-RAY DIFFRACTION52.86
1.82-1.850.23781080.19234309X-RAY DIFFRACTION54.84
1.85-1.880.1856880.18174524X-RAY DIFFRACTION58
1.88-1.920.19281140.17214853X-RAY DIFFRACTION62.18
1.92-1.960.19091130.1685232X-RAY DIFFRACTION66.95
1.96-2.010.19731450.16435672X-RAY DIFFRACTION73.19
2.01-2.060.18051290.16326191X-RAY DIFFRACTION79.76
2.06-2.120.21091500.15686727X-RAY DIFFRACTION85.05
2.12-2.180.20341700.16136983X-RAY DIFFRACTION90.17
2.18-2.250.18091710.16577385X-RAY DIFFRACTION93.97
2.25-2.330.18091770.16727464X-RAY DIFFRACTION96.56
2.33-2.420.22791760.16927647X-RAY DIFFRACTION97.7
2.42-2.530.17561670.17087594X-RAY DIFFRACTION97.78
2.53-2.670.1971770.17447629X-RAY DIFFRACTION98.1
2.67-2.830.18471740.17177650X-RAY DIFFRACTION98.29
2.83-3.050.18371750.1657742X-RAY DIFFRACTION98.42
3.05-3.360.17171850.1567649X-RAY DIFFRACTION98.37
3.36-3.840.1711730.1497639X-RAY DIFFRACTION98.19
3.84-4.840.17031650.14167718X-RAY DIFFRACTION98.91
4.84-30.350.17831770.17937629X-RAY DIFFRACTION97.68

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