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- PDB-6dyc: Co(II)-bound structure of the engineered cyt cb562 variant, CH3 -

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Basic information

Entry
Database: PDB / ID: 6dyc
TitleCo(II)-bound structure of the engineered cyt cb562 variant, CH3
ComponentsSoluble cytochrome b562
KeywordsMETAL BINDING PROTEIN / Designed protein / 4-helix bundle / electron transport
Function / homology
Function and homology information


electron transport chain / periplasmic space / electron transfer activity / iron ion binding / heme binding
Similarity search - Function
Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562
Similarity search - Domain/homology
: / HEME C / Soluble cytochrome b562
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.33 Å
AuthorsTezcan, F.A. / Rittle, J.
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM120981 United States
National Science Foundation (NSF, United States)CHE1607145 United States
CitationJournal: Nat.Chem. / Year: 2019
Title: An efficient, step-economical strategy for the design of functional metalloproteins.
Authors: Rittle, J. / Field, M.J. / Green, M.T. / Tezcan, F.A.
History
DepositionJul 1, 2018Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 24, 2019Provider: repository / Type: Initial release
Revision 1.1May 8, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_abbrev / _citation.journal_volume ..._citation.journal_abbrev / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.2Nov 27, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.3Oct 11, 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 / database_2 / pdbx_initial_refinement_model / struct_conn / struct_conn_type
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_label_alt_id / _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_conn_type.id
Revision 1.4Nov 13, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Soluble cytochrome b562
B: Soluble cytochrome b562
hetero molecules


Theoretical massNumber of molelcules
Total (without water)24,9696
Polymers23,6332
Non-polymers1,3364
Water4,234235
1
A: Soluble cytochrome b562
hetero molecules


Theoretical massNumber of molelcules
Total (without water)12,4943
Polymers11,8161
Non-polymers6772
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Soluble cytochrome b562
hetero molecules


Theoretical massNumber of molelcules
Total (without water)12,4753
Polymers11,8161
Non-polymers6592
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)33.239, 83.290, 39.170
Angle α, β, γ (deg.)90.00, 100.49, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Soluble cytochrome b562 / Cytochrome b-562


Mass: 11816.279 Da / Num. of mol.: 2 / Mutation: K59W, I67H, Q71H, T96C, T97H, R98C, Y101C
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: cybC / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P0ABE7
#2: Chemical ChemComp-CO / COBALT (II) ION


Mass: 58.933 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Co / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-HEC / HEME C


Mass: 618.503 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H34FeN4O4
#4: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 235 / 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 / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.26 Å3/Da / Density % sol: 45.48 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.5
Details: Drop consists of 2 uL of 25% PEG 3350, 200 mM Magnesium Chloride and 0.1 M Bis-Tris (pH 5.5) mixed with 2 uL of 3 mM protein and 3 mM Cobalt(II) Chloride

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL9-3 / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jul 21, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.33→38.515 Å / Num. obs: 46653 / % possible obs: 94.9 % / Redundancy: 6.2 % / CC1/2: 0.998 / Rmerge(I) obs: 0.068 / Net I/σ(I): 12.8
Reflection shellResolution: 1.33→1.3633 Å / Redundancy: 4.4 % / Rmerge(I) obs: 0.547 / Mean I/σ(I) obs: 2.4 / Num. unique obs: 3702 / CC1/2: 0.772 / % possible all: 93

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Processing

Software
NameVersionClassification
PHENIX(1.11.1_2575: ???)refinement
MOSFLMdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2bc5

2bc5


Resolution: 1.33→38.515 Å / SU ML: 0.12 / Cross valid method: FREE R-VALUE / σ(F): 1.36 / Phase error: 20.43
RfactorNum. reflection% reflection
Rfree0.1915 1999 4.48 %
Rwork0.1762 --
obs0.1769 44657 93.01 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Refinement stepCycle: LAST / Resolution: 1.33→38.515 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1650 0 88 235 1973
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0121832
X-RAY DIFFRACTIONf_angle_d1.0922485
X-RAY DIFFRACTIONf_dihedral_angle_d28.624686
X-RAY DIFFRACTIONf_chiral_restr0.066249
X-RAY DIFFRACTIONf_plane_restr0.007328
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.33-1.36330.26751140.25192423X-RAY DIFFRACTION75
1.3633-1.40010.25981360.23462904X-RAY DIFFRACTION88
1.4001-1.44130.20971450.2063111X-RAY DIFFRACTION96
1.4413-1.48790.24451450.20323094X-RAY DIFFRACTION96
1.4879-1.5410.22431480.19633141X-RAY DIFFRACTION95
1.541-1.60280.22351400.18742976X-RAY DIFFRACTION91
1.6028-1.67570.19351480.17893155X-RAY DIFFRACTION96
1.6757-1.7640.22141470.17543129X-RAY DIFFRACTION95
1.764-1.87460.19251400.18073027X-RAY DIFFRACTION93
1.8746-2.01930.18821480.17843144X-RAY DIFFRACTION96
2.0193-2.22250.18681480.17273157X-RAY DIFFRACTION96
2.2225-2.5440.19391450.1723087X-RAY DIFFRACTION94
2.544-3.2050.18941490.17533188X-RAY DIFFRACTION97
3.205-38.53130.16561460.16043122X-RAY DIFFRACTION94

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