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- PDB-4a6a: A115V variant of dCTP deaminase-dUTPase from Mycobacterium tuberc... -

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Basic information

Entry
Database: PDB / ID: 4a6a
TitleA115V variant of dCTP deaminase-dUTPase from Mycobacterium tuberculosis in complex with dTTP
ComponentsDEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
KeywordsHYDROLASE / DEOXY-RIBONUCLEOTIDE METABOLISM / DTTP INHIBITION
Function / homology
Function and homology information


dCTP deaminase (dUMP-forming) / dCTP deaminase (dUMP-forming) activity / dUTP biosynthetic process / dCTP deaminase activity / dUMP biosynthetic process / nucleobase-containing small molecule interconversion / dUTP diphosphatase activity / nucleotide binding
Similarity search - Function
dCTP deaminase / Deoxyuridine triphosphatase (dUTPase) / Deoxyuridine 5'-Triphosphate Nucleotidohydrolase; Chain A / dUTPase-like / dUTPase / dUTPase, trimeric / dUTPase-like superfamily / Distorted Sandwich / Mainly Beta
Similarity search - Domain/homology
THYMIDINE-5'-TRIPHOSPHATE / dCTP deaminase, dUMP-forming / dCTP deaminase, dUMP-forming
Similarity search - Component
Biological speciesMYCOBACTERIUM TUBERCULOSIS (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 2.9 Å
AuthorsLovgreen, M.N. / Ucar, E. / Willemoes, M. / Harris, P.
CitationJournal: To be Published
Title: Dttp Inhibition of the Bifunctional Dctp Deaminase- Dutpase from Mycobacterium Tuberculosis is Ph Dependent: Kinetic Analyses and Crystal Structure of A115V Variant
Authors: Lovgreen, M.N. / Harris, P. / Ucar, E. / Willemoes, M.
History
DepositionNov 1, 2011Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 10, 2012Provider: repository / Type: Initial release
Revision 1.1Dec 26, 2012Group: Structure summary
Revision 1.2Nov 8, 2017Group: Source and taxonomy / Category: entity_src_gen
Item: _entity_src_gen.pdbx_host_org_scientific_name / _entity_src_gen.pdbx_host_org_strain
Revision 1.3May 8, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_struct_conn_angle / struct_conn / struct_ncs_dom_lim / struct_site
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 / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id / _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: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
B: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
C: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
D: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
E: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
F: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
G: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
H: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
I: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
J: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
K: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
L: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)257,16238
Polymers251,03612
Non-polymers6,12626
Water21612
1
A: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
B: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
C: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
D: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
E: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
F: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)128,58119
Polymers125,5186
Non-polymers3,06313
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area34770 Å2
ΔGint-233.8 kcal/mol
Surface area34130 Å2
MethodPISA
2
G: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
H: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
I: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
J: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
K: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
L: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)128,58119
Polymers125,5186
Non-polymers3,06313
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area34730 Å2
ΔGint-234.2 kcal/mol
Surface area34190 Å2
MethodPISA
Unit cell
Length a, b, c (Å)56.590, 179.510, 99.810
Angle α, β, γ (deg.)90.00, 96.28, 90.00
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11H
21B
31C
41D
51E
61F
71G
81A
91I
101J
111K
121L

NCS domain segments:

Ens-ID: 1 / Refine code: 1

Dom-IDComponent-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11METMETLEULEUHH1 - 1091 - 109
21METMETLEULEUBB1 - 1091 - 109
31METMETLEULEUCC1 - 1091 - 109
41METMETLEULEUDD1 - 1091 - 109
51METMETLEULEUEE1 - 1091 - 109
61METMETLEULEUFF1 - 1091 - 109
71METMETLEULEUGG1 - 1091 - 109
81METMETLEULEUAA1 - 1091 - 109
91METMETLEULEUII1 - 1091 - 109
101METMETLEULEUJJ1 - 1091 - 109
111METMETLEULEUKK1 - 1091 - 109
121METMETLEULEULL1 - 1091 - 109
12ASPASPARGARGHH119 - 188119 - 188
22ASPASPARGARGBB119 - 188119 - 188
32ASPASPARGARGCC119 - 188119 - 188
42ASPASPARGARGDD119 - 188119 - 188
52ASPASPARGARGEE119 - 188119 - 188
62ASPASPARGARGFF119 - 188119 - 188
72ASPASPARGARGGG119 - 188119 - 188
82ASPASPARGARGAA119 - 188119 - 188
92ASPASPARGARGII119 - 188119 - 188
102ASPASPARGARGJJ119 - 188119 - 188
112ASPASPARGARGKK119 - 188119 - 188
122ASPASPARGARGLL119 - 188119 - 188
13TTPTTPMGMGHBA - CA201 - 202
23TTPTTPMGMGBO - P201 - 202
33TTPTTPMGMGCR - S201 - 202
43TTPTTPMGMGDT - U201 - 202
53TTPTTPMGMGEV - W201 - 202
63TTPTTPMGMGFX - Y201 - 202
73TTPTTPMGMGGZ - AA201 - 202
83TTPTTPMGMGAM - N201 - 202
93TTPTTPMGMGIEA - FA201 - 202
103TTPTTPMGMGJGA - HA201 - 202
113TTPTTPMGMGKIA - JA201 - 202
123TTPTTPMGMGLKA - LA201 - 202

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Components

#1: Protein
DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE / DCTP DEAMINASE / DCTP DEAMNIASE-DUTPASE


Mass: 20919.656 Da / Num. of mol.: 12 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) MYCOBACTERIUM TUBERCULOSIS (bacteria) / Strain: H37RV / Plasmid: PTBDCD7 / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: O07247, UniProt: P9WP17*PLUS, dCTP deaminase
#2: Chemical
ChemComp-TTP / THYMIDINE-5'-TRIPHOSPHATE / Thymidine triphosphate


Mass: 482.168 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: C10H17N2O14P3
#3: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 14 / Source method: obtained synthetically / Formula: Mg
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 12 / Source method: isolated from a natural source / Formula: H2O

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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: 2.05 Å3/Da / Density % sol: 40 % / Description: NONE
Crystal growpH: 7.5 / Details: pH 7.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-4 / Wavelength: 0.9765
DetectorType: ADSC CCD / Detector: CCD / Date: Mar 12, 2010 / Details: FOCUSSING MIRRORS
RadiationMonochromator: CHANNEL CUT ESRF MONOCHROMATOR / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9765 Å / Relative weight: 1
ReflectionResolution: 2.9→99 Å / Num. obs: 43288 / % possible obs: 98.7 % / Observed criterion σ(I): 0 / Redundancy: 3.74 % / Rmerge(I) obs: 0.18 / Net I/σ(I): 7.01

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Processing

Software
NameVersionClassification
REFMAC5.5.0102refinement
XDSdata reduction
XSCALEdata scaling
RefinementMethod to determine structure: OTHER
Starting model: NONE

Resolution: 2.9→49.42 Å / Cor.coef. Fo:Fc: 0.907 / Cor.coef. Fo:Fc free: 0.885 / SU B: 52.928 / SU ML: 0.44 / Cross valid method: THROUGHOUT / ESU R Free: 0.564
Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.28985 2165 5 %RANDOM
Rwork0.25297 ---
obs0.25478 41123 100 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 45.666 Å2
Baniso -1Baniso -2Baniso -3
1--0.45 Å20 Å2-0.05 Å2
2--0.3 Å20 Å2
3---0.15 Å2
Refinement stepCycle: LAST / Resolution: 2.9→49.42 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms17538 0 362 12 17912
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0150.02218294
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.6132.00924908
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.4552251
X-RAY DIFFRACTIONr_dihedral_angle_2_deg29.88723.182792
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.347152971
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.31815156
X-RAY DIFFRACTIONr_chiral_restr0.0950.22767
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.02113828
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.7791.511255
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.548218224
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it2.00637039
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it3.7214.56684
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
Refine LS restraints NCS

Ens-ID: 1 / Number: 1420 / Refine-ID: X-RAY DIFFRACTION

Dom-IDAuth asym-IDTypeRms dev position (Å)Weight position
1Htight positional0.050.05
2Btight positional0.060.05
3Ctight positional0.050.05
4Dtight positional0.050.05
5Etight positional0.060.05
6Ftight positional0.050.05
7Gtight positional0.050.05
8Atight positional0.050.05
9Itight positional0.060.05
10Jtight positional0.050.05
11Ktight positional0.050.05
12Ltight positional0.050.05
1Htight thermal0.090.5
2Btight thermal0.10.5
3Ctight thermal0.080.5
4Dtight thermal0.090.5
5Etight thermal0.080.5
6Ftight thermal0.090.5
7Gtight thermal0.090.5
8Atight thermal0.090.5
9Itight thermal0.090.5
10Jtight thermal0.090.5
11Ktight thermal0.080.5
12Ltight thermal0.090.5
LS refinement shellResolution: 2.9→2.975 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.394 162 -
Rwork0.356 3077 -
obs--100 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
10.19190.37780.24291.48790.22890.57030.013-0.0159-0.08380.13270.0121-0.0010.1008-0.0704-0.02520.1228-0.00450.08110.1837-0.03810.19978.381-19.50532.323
20.53120.33880.18091.61150.43230.5960.0121-0.05470.00080.0702-0.01990.0550.1314-0.04480.00780.05350.00030.02150.107-0.00320.06517.92323.48432.173
30.588-0.09390.12112.2886-0.11250.59410.06580.128-0.1461-0.1088-0.07330.15120.0843-0.05060.00760.14630.0061-0.03480.1876-0.04040.116715.426-21.66810.113
40.60120.16810.02781.92350.2490.30430.02820.06310.0314-0.1849-0.0064-0.0008-0.0117-0.0192-0.02170.12030.0023-0.01310.10490.0010.023722.03221.9819.068
50.10160.4547-0.06262.5699-0.23110.0574-0.03560.0027-0.05820.0301-0.0155-0.11770.05340.05180.05110.16810.0161-0.02230.22650.00850.211730.906-24.11427.574
60.23490.040.14851.2823-0.23850.71040.00480.069-0.0432-0.00240.0265-0.18390.0290.0889-0.03140.0558-0.00110.01080.11350.00260.14139.66718.96224.367
70.25360.46550.20391.32550.06340.69460.0183-0.0062-0.02160.1125-0.0327-0.02690.1355-0.06620.01450.1162-0.01410.05280.1549-0.02520.152435.74470.15338.041
80.62570.14260.00291.03860.3230.8103-0.0065-0.10050.03090.15320.02830.0615-0.0273-0.0223-0.02190.05670.01220.01160.1366-0.02510.092445.44113.14537.347
90.47970.1080.17432.4213-0.01640.5119-0.01270.0029-0.0071-0.012-0.04110.07660.0657-0.04970.05390.1124-0.0115-0.01080.1423-0.00690.050742.07568.0215.668
100.4927-0.02890.19371.74020.17270.53070.03220.08690.0893-0.1105-0.0193-0.0636-0.1123-0.0322-0.01280.08840.0088-0.01120.1237-0.01490.065149.095111.53514.295
110.31320.4984-0.13141.772-0.18940.6183-0.0458-0.0266-0.04840.04640.0178-0.11990.07420.12160.0280.09680.0222-0.01590.18730.01760.149258.1565.44532.703
120.60310.45760.12071.65880.16911.16110.01560.04590.0349-0.01140.0676-0.14470.01830.1234-0.08320.00130.001-0.00170.1384-0.01010.138767.071108.48429.263
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A1 - 202
2X-RAY DIFFRACTION2B1 - 202
3X-RAY DIFFRACTION3C1 - 202
4X-RAY DIFFRACTION4D1 - 202
5X-RAY DIFFRACTION5E1 - 202
6X-RAY DIFFRACTION6F1 - 202
7X-RAY DIFFRACTION7G1 - 202
8X-RAY DIFFRACTION8H1 - 202
9X-RAY DIFFRACTION9I1 - 202
10X-RAY DIFFRACTION10J1 - 202
11X-RAY DIFFRACTION11K1 - 202
12X-RAY DIFFRACTION12L1 - 202

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