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- PDB-2ga0: Variable Small Protein 1 of Borrelia turicatae (VspA or Vsp1) -

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Basic information

Entry
Database: PDB / ID: 2ga0
TitleVariable Small Protein 1 of Borrelia turicatae (VspA or Vsp1)
Componentssurface protein VspA
KeywordsIMMUNE SYSTEM / helical bundle / Ni(II) binding sites
Function / homology
Function and homology information


cell outer membrane
Similarity search - Function
Lipoprotein, type 6 / Lipoprotein, OspC-type / Outer surface protein C-like superfamily / Lipoprotein / Four Helix Bundle (Hemerythrin (Met), subunit A) / Prokaryotic membrane lipoprotein lipid attachment site profile. / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
NICKEL (II) ION / Surface protein VspA
Similarity search - Component
Biological speciesBorrelia turicatae (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsLawson, C.L. / Yung, B.H. / Barbour, A.G. / Zuckert, W.R.
Citation
Journal: J.Bacteriol. / Year: 2006
Title: Crystal structure of neurotropism-associated variable surface protein 1 (Vsp1) of Borrelia turicatae.
Authors: Lawson, C.L. / Yung, B.H. / Barbour, A.G. / Zuckert, W.R.
#1: Journal: J.Biol.Chem. / Year: 2001
Title: Structural Conservation of Neurotropism-associated VspA within the Variable Vsp-OspC Lipoprotein Family
Authors: Zueckert, W.R. / Kerentseva, T.A. / Lawson, C.L. / Barbour, A.G.
History
DepositionMar 7, 2006Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 27, 2006Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.3Oct 18, 2017Group: Refinement description / Category: software
Revision 1.4Aug 30, 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 / 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_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 / _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_conn.ptnr2_symmetry / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.end_auth_comp_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: surface protein VspA
B: surface protein VspA
C: surface protein VspA
D: surface protein VspA
E: surface protein VspA
F: surface protein VspA
G: surface protein VspA
H: surface protein VspA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)148,82922
Polymers148,0088
Non-polymers82214
Water2,450136
1
A: surface protein VspA
B: surface protein VspA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,2376
Polymers37,0022
Non-polymers2354
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4780 Å2
ΔGint-65 kcal/mol
Surface area13970 Å2
MethodPISA
2
C: surface protein VspA
D: surface protein VspA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,1785
Polymers37,0022
Non-polymers1763
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4420 Å2
ΔGint-55 kcal/mol
Surface area14250 Å2
MethodPISA
3
E: surface protein VspA
F: surface protein VspA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,1785
Polymers37,0022
Non-polymers1763
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4600 Å2
ΔGint-56 kcal/mol
Surface area14080 Å2
MethodPISA
4
G: surface protein VspA
H: surface protein VspA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,2376
Polymers37,0022
Non-polymers2354
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4740 Å2
ΔGint-70 kcal/mol
Surface area14230 Å2
MethodPISA
Unit cell
Length a, b, c (Å)241.835, 69.105, 87.578
Angle α, β, γ (deg.)90.00, 104.95, 90.00
Int Tables number5
Space group name H-MC121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
31C
41D
51E
61F
71G
81H
12A
22C
32E
42G
13B
23D
33F
43H

NCS domain segments:

Component-ID: 1 / Refine code: 2

Dom-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11LEULEULEULEUAA41 - 2018 - 168
21LEULEULEULEUBB41 - 2018 - 168
31LEULEULEULEUCC41 - 2018 - 168
41LEULEULEULEUDD41 - 2018 - 168
51LEULEULEULEUEE41 - 2018 - 168
61LEULEULEULEUFF41 - 2018 - 168
71LEULEULEULEUGG41 - 2018 - 168
81LEULEULEULEUHH41 - 2018 - 168
12VALVALTHRTHRAA38 - 435 - 10
22VALVALTHRTHRCC38 - 435 - 10
32VALVALTHRTHREE38 - 435 - 10
42VALVALTHRTHRGG38 - 435 - 10
13VALVALTHRTHRBB38 - 435 - 10
23VALVALTHRTHRDD38 - 435 - 10
33VALVALTHRTHRFF38 - 435 - 10
43VALVALTHRTHRHH38 - 435 - 10

NCS ensembles :
ID
1
2
3

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Components

#1: Protein
surface protein VspA / / Variable Surface Protein 1


Mass: 18500.959 Da / Num. of mol.: 8 / Fragment: residues 34-214
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Borrelia turicatae (bacteria) / Gene: Vsp1, VspA / Plasmid: pET29b / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: O34000
#2: Chemical
ChemComp-NI / NICKEL (II) ION / Nickel


Mass: 58.693 Da / Num. of mol.: 14 / Source method: obtained synthetically / Formula: Ni
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 136 / 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: 2.39 Å3/Da / Density % sol: 48.5 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 28% (w/v) polyethylene glycol (PEG), 80 mM Tris HCl, 15% (v/v) glycerol, 100 mM NiCl2, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X12C / Wavelength: 1 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Apr 12, 2000
RadiationMonochromator: Si / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.7→50 Å / Num. all: 38032 / Num. obs: 38032 / % possible obs: 98.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rmerge(I) obs: 0.042 / Χ2: 0.472 / Net I/σ(I): 12.5
Reflection shellResolution: 2.7→2.8 Å / % possible obs: 92 % / Rmerge(I) obs: 0.147 / Num. unique obs: 3523 / Χ2: 0.279 / % possible all: 92

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACT1.701data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1YJG
Resolution: 2.7→50 Å / Cor.coef. Fo:Fc: 0.924 / Cor.coef. Fo:Fc free: 0.876 / SU B: 14.486 / SU ML: 0.294 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.389 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.272 1902 5 %RANDOM
Rwork0.216 ---
all0.219 38031 --
obs0.219 38031 98.7 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 19.313 Å2
Baniso -1Baniso -2Baniso -3
1--1.04 Å20 Å2-0.92 Å2
2--1.91 Å20 Å2
3----1.35 Å2
Refinement stepCycle: LAST / Resolution: 2.7→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9456 0 14 136 9606
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0150.0229502
X-RAY DIFFRACTIONr_angle_refined_deg1.5441.98512784
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.12151304
X-RAY DIFFRACTIONr_chiral_restr0.1030.21696
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.026400
X-RAY DIFFRACTIONr_nbd_refined0.2390.25372
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1730.2366
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2450.284
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.3830.28
X-RAY DIFFRACTIONr_mcbond_it0.2631.56480
X-RAY DIFFRACTIONr_mcangle_it0.589210360
X-RAY DIFFRACTIONr_scbond_it2.42933022
X-RAY DIFFRACTIONr_scangle_it2.4864.52424
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION

Ens-IDDom-IDAuth asym-IDNumberTypeRms dev position (Å)Weight position
11A644TIGHT POSITIONAL0.070.05
12B644TIGHT POSITIONAL0.060.05
13C644TIGHT POSITIONAL0.060.05
14D644TIGHT POSITIONAL0.060.05
15E644TIGHT POSITIONAL0.070.05
16F644TIGHT POSITIONAL0.070.05
17G644TIGHT POSITIONAL0.070.05
18H644TIGHT POSITIONAL0.060.05
11A515MEDIUM POSITIONAL0.510.5
12B515MEDIUM POSITIONAL0.640.5
13C515MEDIUM POSITIONAL0.550.5
14D515MEDIUM POSITIONAL0.530.5
15E515MEDIUM POSITIONAL0.530.5
16F515MEDIUM POSITIONAL0.610.5
17G515MEDIUM POSITIONAL0.610.5
18H515MEDIUM POSITIONAL0.590.5
11A644TIGHT THERMAL0.110.5
12B644TIGHT THERMAL0.10.5
13C644TIGHT THERMAL0.10.5
14D644TIGHT THERMAL0.10.5
15E644TIGHT THERMAL0.10.5
16F644TIGHT THERMAL0.10.5
17G644TIGHT THERMAL0.10.5
18H644TIGHT THERMAL0.090.5
11A515MEDIUM THERMAL1.052
12B515MEDIUM THERMAL0.842
13C515MEDIUM THERMAL0.812
14D515MEDIUM THERMAL0.932
15E515MEDIUM THERMAL0.862
16F515MEDIUM THERMAL0.842
17G515MEDIUM THERMAL0.832
18H515MEDIUM THERMAL0.722
21A24TIGHT POSITIONAL0.040.05
22C24TIGHT POSITIONAL0.040.05
23E24TIGHT POSITIONAL0.040.05
24G24TIGHT POSITIONAL0.040.05
21A19MEDIUM POSITIONAL0.620.5
22C19MEDIUM POSITIONAL0.40.5
23E19MEDIUM POSITIONAL0.490.5
24G19MEDIUM POSITIONAL0.490.5
21A24TIGHT THERMAL0.050.5
22C24TIGHT THERMAL0.050.5
23E24TIGHT THERMAL0.050.5
24G24TIGHT THERMAL0.050.5
21A19MEDIUM THERMAL0.452
22C19MEDIUM THERMAL0.522
23E19MEDIUM THERMAL0.392
24G19MEDIUM THERMAL0.482
31B24TIGHT POSITIONAL0.040.05
32D24TIGHT POSITIONAL0.060.05
33F24TIGHT POSITIONAL0.040.05
34H24TIGHT POSITIONAL0.040.05
31B19MEDIUM POSITIONAL0.60.5
32D19MEDIUM POSITIONAL0.670.5
33F19MEDIUM POSITIONAL0.440.5
34H19MEDIUM POSITIONAL0.530.5
31B24TIGHT THERMAL0.050.5
32D24TIGHT THERMAL0.060.5
33F24TIGHT THERMAL0.040.5
34H24TIGHT THERMAL0.040.5
31B19MEDIUM THERMAL0.552
32D19MEDIUM THERMAL0.472
33F19MEDIUM THERMAL0.32
34H19MEDIUM THERMAL0.282
LS refinement shellResolution: 2.705→2.775 Å / Total num. of bins used: 20
RfactorNum. reflection
Rfree0.353 119
Rwork0.286 2418
obs-2537
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)
14.7673-1.5431-1.02912.15321.00532.5722-0.0122-0.0933-0.26130.10190.01730.2995-0.1418-0.2179-0.0050.06550.02260.00380.105-0.02230.0781-32.18-36.619115.7153
23.3719-1.0405-0.88962.86190.23882.25920.28320.55650.3159-0.3487-0.2454-0.0283-0.4154-0.2781-0.03790.11840.12620.01290.2459-0.01150.1237-25.3213-30.09021.889
35.37650.1881-0.10483.99310.8023.12110.0037-0.3351-0.51270.25390.01370.05060.71740.0721-0.01740.28890.01990.0340.06070.00680.1556-31.3201-70.843314.0947
44.2393-0.0581-0.39785.01920.32432.6802-0.34090.4223-0.2542-0.35580.4547-0.29970.33720.1853-0.11380.10630.00570.03810.1675-0.12060.1299-23.3445-63.67911.25
53.6532-0.23611.66281.97210.2614.7117-0.13350.25430.3511-0.08580.00890.0442-0.8474-0.16050.12450.35040.17510.03680.09630.01870.1231-15.7687-23.8539-40.3894
63.15160.41770.98653.1386-0.00064.03240.0313-0.26150.12810.2127-0.00440.1196-0.5357-0.5313-0.02680.16910.13880.00450.1734-0.05070.0499-15.3944-30.8063-25.194
74.22163.34613.05355.74473.96044.9376-0.03730.1361-0.1474-0.40580.0506-0.17-0.042-0.0792-0.01330.1515-0.02140.06990.126-0.03470.165-39.1189-58.030642.3827
83.23232.8331.29445.85192.03713.49450.789-0.4532-0.61621.0068-0.5615-0.42680.7819-0.69-0.22750.3809-0.2441-0.1130.34410.04580.2482-40.5997-64.32257.8956
Refinement TLS group

Refine-ID: X-RAY DIFFRACTION / Selection: ALL / Auth seq-ID: 38 - 201 / Label seq-ID: 5 - 168

IDRefine TLS-IDAuth asym-IDLabel asym-ID
11AA
22BB
33CC
44DD
55EE
66FF
77GG
88HH

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