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- PDB-5cqk: Crystal Structure of the Cancer Genomic DNA Mutator APOBEC3B -

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Basic information

Entry
Database: PDB / ID: 5cqk
TitleCrystal Structure of the Cancer Genomic DNA Mutator APOBEC3B
ComponentsDNA dC->dU-editing enzyme APOBEC-3B
KeywordsHYDROLASE / APOBEC / deaminase
Function / homology
Function and homology information


mRNA Editing: C to U Conversion / Formation of the Editosome / single-stranded DNA cytosine deaminase / DNA cytosine deamination / : / cytidine to uridine editing / cytidine deaminase activity / clearance of foreign intracellular DNA / negative regulation of single stranded viral RNA replication via double stranded DNA intermediate / : ...mRNA Editing: C to U Conversion / Formation of the Editosome / single-stranded DNA cytosine deaminase / DNA cytosine deamination / : / cytidine to uridine editing / cytidine deaminase activity / clearance of foreign intracellular DNA / negative regulation of single stranded viral RNA replication via double stranded DNA intermediate / : / retrotransposon silencing / P-body / defense response to virus / innate immune response / RNA binding / zinc ion binding / nucleoplasm / nucleus / cytoplasm
Similarity search - Function
APOBEC-like C-terminal domain / Novel AID APOBEC clade 2 / : / APOBEC/CMP deaminase, zinc-binding / Cytidine and deoxycytidylate deaminases zinc-binding region signature. / Cytidine and deoxycytidylate deaminase domain / Cytidine and deoxycytidylate deaminases domain profile. / Cytidine deaminase-like
Similarity search - Domain/homology
TRIETHYLENE GLYCOL / DNA dC->dU-editing enzyme APOBEC-3B
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.88 Å
AuthorsShi, K. / Kurahashi, K. / Aihara, H.
CitationJournal: J.Biol.Chem. / Year: 2015
Title: Crystal Structure of the DNA Deaminase APOBEC3B Catalytic Domain.
Authors: Shi, K. / Carpenter, M.A. / Kurahashi, K. / Harris, R.S. / Aihara, H.
History
DepositionJul 21, 2015Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 7, 2015Provider: repository / Type: Initial release
Revision 1.1Oct 14, 2015Group: Database references
Revision 1.2Dec 2, 2015Group: Database references
Revision 1.3Sep 27, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / citation / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / pdbx_struct_oper_list / struct_conn
Item: _citation.journal_id_CSD / _database_2.pdbx_DOI ..._citation.journal_id_CSD / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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.ptnr1_label_seq_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.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _pdbx_struct_oper_list.symmetry_operation / _struct_conn.pdbx_dist_value / _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_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_symmetry

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA dC->dU-editing enzyme APOBEC-3B
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,5527
Polymers21,9791
Non-polymers5736
Water1,67593
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)50.630, 54.040, 66.420
Angle α, β, γ (deg.)90.00, 90.00, 90.00
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 DNA dC->dU-editing enzyme APOBEC-3B / A3B / Phorbolin-1-related protein / Phorbolin-2/3


Mass: 21978.963 Da / Num. of mol.: 1 / Fragment: UNP Residues 187-378 / Mutation: F200S, W228S, L230K, Y250S, F308K
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: APOBEC3B / Production host: Escherichia coli (E. coli)
References: UniProt: Q9UH17, Hydrolases; Acting on carbon-nitrogen bonds, other than peptide bonds; In cyclic amidines

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Non-polymers , 5 types, 99 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical ChemComp-PGE / TRIETHYLENE GLYCOL


Mass: 150.173 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H14O4
#5: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Na
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 93 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.07 Å3/Da / Density % sol: 40.5 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / Details: PEG3350, MES-NaOH

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-E / Wavelength: 0.979 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jul 28, 2014
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 1.88→42 Å / Num. obs: 13173 / % possible obs: 98 % / Redundancy: 6.8 % / Rmerge(I) obs: 0.207 / Net I/σ(I): 10.4
Reflection shellResolution: 1.88→1.95 Å / Rmerge(I) obs: 0.168

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Processing

Software
NameVersionClassification
PHENIX(dev_2166: ???)refinement
HKL-2000data reduction
SCALEPACKdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5CQD
Resolution: 1.88→41.918 Å / SU ML: 0.26 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 20.76 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2032 701 5 %
Rwork0.1736 --
obs0.1751 13173 98.46 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.88→41.918 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1498 0 34 93 1625
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0091576
X-RAY DIFFRACTIONf_angle_d0.9722127
X-RAY DIFFRACTIONf_dihedral_angle_d15.361929
X-RAY DIFFRACTIONf_chiral_restr0.055216
X-RAY DIFFRACTIONf_plane_restr0.007275
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.8801-1.94730.35021350.31492664X-RAY DIFFRACTION96
1.9473-2.02520.29821450.2822640X-RAY DIFFRACTION98
2.0252-2.11740.27011260.2372683X-RAY DIFFRACTION99
2.1174-2.2290.23451420.21682650X-RAY DIFFRACTION99
2.229-2.36870.23671510.19962731X-RAY DIFFRACTION99
2.3687-2.55150.24371490.17962692X-RAY DIFFRACTION99
2.5515-2.80820.23771300.16092689X-RAY DIFFRACTION99
2.8082-3.21450.19051490.14932699X-RAY DIFFRACTION99
3.2145-4.04940.14841390.12222681X-RAY DIFFRACTION99
4.0494-41.92880.1491460.14422671X-RAY DIFFRACTION98
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)
10.22730.22480.16660.31230.12990.50710.00580.1344-0.0772-0.05320.1347-0.01810.20540.30590.08770.14360.0254-0.0040.1679-0.02460.1654-0.1677-17.10472.158
20.0618-0.00490.00640.0292-0.03050.1515-0.06180.0953-0.0917-0.04010.02010.2115-0.14490.0207-0.05240.15340.0474-0.00770.1420.00910.1907-10.9378-0.59410.6916
30.01430.0277-0.0320.1542-0.02210.114-0.0733-0.0539-0.024-0.15130.01560.0666-0.05680.0346-0.02140.12370.0012-0.02690.12170.0090.1247-10.66551.1085-3.0646
40.1485-0.0503-0.11690.06470.00740.1132-0.1301-0.02480.110.12770.0362-0.1459-0.12650.2645-0.00220.1633-0.02320.00960.1536-0.01220.13840.88-0.33838.2611
50.10.0211-0.09260.1553-0.06090.1466-0.0452-0.1444-0.02740.1016-0.00450.1854-0.17140.0447-0.01720.14280.0065-0.02950.1006-0.0120.1895-12.3893.88774.2761
60.39730.0440.08990.0618-0.04820.11140.0466-0.1349-0.0254-0.0604-0.00510.0145-0.2489-0.13880.03670.20330.03940.02270.1145-0.01680.1316-8.3393-2.416114.1873
70.06140.10340.03520.16320.07560.08510.0999-0.0377-0.09750.2391-0.0356-0.02220.0693-0.03110.01150.17590.01250.02060.1554-0.01940.1613-8.2532-12.826218.9403
80.105-0.05350.03210.3366-0.0510.0559-0.06650.12920.065-0.00920.06870.180.0278-0.0750.01130.1207-0.0140.01780.18210.01810.1425-12.5955-12.57210.7106
90.0617-0.0615-0.04180.1726-0.00630.046-0.12460.2083-0.09510.02520.19490.05040.09320.19610.00550.1995-0.04880.01080.2546-0.03790.1688-6.2777-19.6654-8.2855
100.06550.0373-0.02410.028-00.02170.06-0.0463-0.24940.0782-0.11440.05280.1611-0.22200.1814-0.0118-0.00680.18440.00630.1517-16.1145-20.505811.9129
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1( CHAIN A AND RESID 190:214 )A190 - 214
2X-RAY DIFFRACTION2( CHAIN A AND RESID 215:224 )A215 - 224
3X-RAY DIFFRACTION3( CHAIN A AND RESID 225:239 )A225 - 239
4X-RAY DIFFRACTION4( CHAIN A AND RESID 240:265 )A240 - 265
5X-RAY DIFFRACTION5( CHAIN A AND RESID 266:279 )A266 - 279
6X-RAY DIFFRACTION6( CHAIN A AND RESID 280:309 )A280 - 309
7X-RAY DIFFRACTION7( CHAIN A AND RESID 310:328 )A310 - 328
8X-RAY DIFFRACTION8( CHAIN A AND RESID 329:348 )A329 - 348
9X-RAY DIFFRACTION9( CHAIN A AND RESID 349:361 )A349 - 361
10X-RAY DIFFRACTION10( CHAIN A AND RESID 362:378 )A362 - 378

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