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- PDB-7cbs: Crystal structure of SpaB basal pilin from Lactobacillus rhamnosus GG -

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Basic information

Entry
Database: PDB / ID: 7cbs
TitleCrystal structure of SpaB basal pilin from Lactobacillus rhamnosus GG
ComponentsLPXTG cell wall anchor domain-containing protein
KeywordsCELL ADHESION / Basal pilin / SpaCBA pilus / pilus anchoring / sortase / probiotics / isopeptide
Function / homologyGram-positive pilin subunit D1, N-terminal / Gram-positive pilin subunit D1, N-terminal domain / membrane => GO:0016020 / Immunoglobulin-like fold / LPXTG cell wall anchor domain-containing protein
Function and homology information
Biological speciesLactobacillus rhamnosus (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.39 Å
AuthorsMegta, A.K. / Pratap, S. / Kant, A. / Krishnan, V.
Funding support India, 1items
OrganizationGrant numberCountry
Department of Biotechnology (DBT, India)BT/PR5891/BRB/10/1098/2012 India
CitationJournal: Curr Res Struct Biol / Year: 2020
Title: Crystal structure of the atypically adhesive SpaB basal pilus subunit: Mechanistic insights about its incorporation in lactobacillar SpaCBA pili.
Authors: Megta, A.K. / Pratap, S. / Kant, A. / Palva, A. / von Ossowski, I. / Krishnan, V.
History
DepositionJun 13, 2020Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Dec 30, 2020Provider: repository / Type: Initial release
Revision 1.1Mar 27, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_ncs_dom_lim
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: LPXTG cell wall anchor domain-containing protein
B: LPXTG cell wall anchor domain-containing protein
C: LPXTG cell wall anchor domain-containing protein
D: LPXTG cell wall anchor domain-containing protein
E: LPXTG cell wall anchor domain-containing protein
G: LPXTG cell wall anchor domain-containing protein
F: LPXTG cell wall anchor domain-containing protein
L: LPXTG cell wall anchor domain-containing protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)151,24415
Polymers151,0408
Non-polymers2047
Water1,35175
1
A: LPXTG cell wall anchor domain-containing protein
E: LPXTG cell wall anchor domain-containing protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,7843
Polymers37,7602
Non-polymers241
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1370 Å2
ΔGint-9 kcal/mol
Surface area12820 Å2
MethodPISA
2
B: LPXTG cell wall anchor domain-containing protein
L: LPXTG cell wall anchor domain-containing protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,8204
Polymers37,7602
Non-polymers602
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1260 Å2
ΔGint-16 kcal/mol
Surface area13070 Å2
MethodPISA
3
C: LPXTG cell wall anchor domain-containing protein
G: LPXTG cell wall anchor domain-containing protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,8204
Polymers37,7602
Non-polymers602
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1410 Å2
ΔGint-14 kcal/mol
Surface area13230 Å2
MethodPISA
4
D: LPXTG cell wall anchor domain-containing protein
F: LPXTG cell wall anchor domain-containing protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,8204
Polymers37,7602
Non-polymers602
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1240 Å2
ΔGint-15 kcal/mol
Surface area12250 Å2
MethodPISA
Unit cell
Length a, b, c (Å)51.526, 51.526, 408.208
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number145
Space group name H-MP32
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22C
13A
23D
14A
24E
15A
25G
16A
26L
17B
27C
18B
28D
19B
29E
110B
210G
111B
211L
112C
212D
113C
213E
114C
214G
115C
215L
116D
216E
117D
217G
118D
218L
119E
219G
120E
220L
121G
221L

NCS domain segments:

Component-ID: _ / Refine code: _

Dom-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11ALAALALYSLYSAA32 - 18223 - 173
21ALAALALYSLYSBB32 - 18223 - 173
12ALAALAASNASNAA32 - 18323 - 174
22ALAALAASNASNCC32 - 18323 - 174
13THRTHRASNASNAA33 - 18324 - 174
23THRTHRASNASNDD33 - 18324 - 174
14VALVALASNASNAA34 - 18325 - 174
24VALVALASNASNEE34 - 18325 - 174
15THRTHRASNASNAA33 - 18324 - 174
25THRTHRASNASNGF33 - 18324 - 174
16THRTHRASNASNAA33 - 18324 - 174
26THRTHRASNASNLH33 - 18324 - 174
17ALAALAASNASNBB32 - 18323 - 174
27ALAALAASNASNCC32 - 18323 - 174
18THRTHRASNASNBB33 - 18324 - 174
28THRTHRASNASNDD33 - 18324 - 174
19VALVALASNASNBB34 - 18325 - 174
29VALVALASNASNEE34 - 18325 - 174
110THRTHRASNASNBB33 - 18324 - 174
210THRTHRASNASNGF33 - 18324 - 174
111THRTHRASNASNBB33 - 18324 - 174
211THRTHRASNASNLH33 - 18324 - 174
112THRTHRASNASNCC33 - 18324 - 174
212THRTHRASNASNDD33 - 18324 - 174
113VALVALASNASNCC34 - 18325 - 174
213VALVALASNASNEE34 - 18325 - 174
114THRTHRASNASNCC33 - 18324 - 174
214THRTHRASNASNGF33 - 18324 - 174
115THRTHRASNASNCC33 - 18324 - 174
215THRTHRASNASNLH33 - 18324 - 174
116VALVALASNASNDD34 - 18325 - 174
216VALVALASNASNEE34 - 18325 - 174
117THRTHRASNASNDD33 - 18324 - 174
217THRTHRASNASNGF33 - 18324 - 174
118THRTHRASNASNDD33 - 18324 - 174
218THRTHRASNASNLH33 - 18324 - 174
119VALVALASNASNEE34 - 18325 - 174
219VALVALASNASNGF34 - 18325 - 174
120VALVALASNASNEE34 - 18325 - 174
220VALVALASNASNLH34 - 18325 - 174
121THRTHRASNASNGF33 - 18324 - 174
221THRTHRASNASNLH33 - 18324 - 174

NCS ensembles :
ID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

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Components

#1: Protein
LPXTG cell wall anchor domain-containing protein


Mass: 18880.018 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Lactobacillus rhamnosus (bacteria) / Gene: F8M46_02260 / Variant: ATCC 53103/GG / Plasmid: pET28a(+) / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: A0A5P5Z9C8
#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Cl
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 75 / Source method: isolated from a natural source / Formula: H2O
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: 2.17 Å3/Da / Density % sol: 43.42 % / Description: Three-dimensional hexagonal shaped crystals
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 0.2 M Magnesium chloride, 0.1 M MES pH 6.5, and 30% (w/v) PEG 4000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM14 / Wavelength: 0.97872 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Jul 11, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97872 Å / Relative weight: 1
Reflection twin
Crystal-IDIDOperatorDomain-IDFraction
11H, K, L10.259
11K, H, -L20.25
11-K, -H, -L30.246
11-h,-k,l40.245
ReflectionResolution: 2.39→43.59 Å / Num. obs: 41158 / % possible obs: 93.2 % / Redundancy: 3.7 % / Biso Wilson estimate: 55.2 Å2 / CC1/2: 0.99 / Rmerge(I) obs: 0.045 / Rpim(I) all: 0.026 / Rrim(I) all: 0.052 / Net I/σ(I): 15
Reflection shellResolution: 2.39→2.47 Å / Redundancy: 2.8 % / Rmerge(I) obs: 0.42 / Mean I/σ(I) obs: 2 / Num. unique obs: 2058 / CC1/2: 0.71 / Rpim(I) all: 0.29 / Rrim(I) all: 0.52 / % possible all: 72.2

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Processing

Software
NameVersionClassification
REFMAC5.8.0258refinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: SAD / Resolution: 2.39→43.59 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.903 / SU B: 9.103 / SU ML: 0.132 / Cross valid method: THROUGHOUT / ESU R: 0.09 / ESU R Free: 0.054 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22789 2145 5.2 %RANDOM
Rwork0.19036 ---
obs0.19228 39014 86.2 %-
Solvent computationIon probe radii: 0.7 Å / Shrinkage radii: 0.7 Å / VDW probe radii: 1 Å / Solvent model: MASK
Displacement parametersBiso mean: 69.271 Å2
Baniso -1Baniso -2Baniso -3
1-17.85 Å20 Å20 Å2
2--17.85 Å20 Å2
3----35.71 Å2
Refinement stepCycle: 1 / Resolution: 2.39→43.59 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7188 0 7 75 7270
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0030.0137427
X-RAY DIFFRACTIONr_bond_other_d0.0010.0176529
X-RAY DIFFRACTIONr_angle_refined_deg1.2761.63210134
X-RAY DIFFRACTIONr_angle_other_deg1.1011.56915100
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.2415983
X-RAY DIFFRACTIONr_dihedral_angle_2_deg39.18425.446303
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.961151011
X-RAY DIFFRACTIONr_dihedral_angle_4_deg11.2711510
X-RAY DIFFRACTIONr_chiral_restr0.0340.21035
X-RAY DIFFRACTIONr_gen_planes_refined0.0030.028444
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021390
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_it1.4422.8233992
X-RAY DIFFRACTIONr_mcbond_other1.4422.8233991
X-RAY DIFFRACTIONr_mcangle_it2.3594.2344955
X-RAY DIFFRACTIONr_mcangle_other2.3594.2344956
X-RAY DIFFRACTIONr_scbond_it1.1922.7643435
X-RAY DIFFRACTIONr_scbond_other1.1362.7633424
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other1.6984.1435179
X-RAY DIFFRACTIONr_long_range_B_refined4.02332.1357180
X-RAY DIFFRACTIONr_long_range_B_other4.02132.1377179
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Weight position: 0.05

Ens-IDDom-IDAuth asym-IDNumberRms dev position (Å)
11A35640.08
12B35640.08
21A35680.07
22C35680.07
31A35530.08
32D35530.08
41A33380.09
42E33380.09
51A34330.08
52G34330.08
61A34250.08
62L34250.08
71B35960.07
72C35960.07
81B35710.07
82D35710.07
91B33500.09
92E33500.09
101B34640.08
102G34640.08
111B34240.09
112L34240.09
121C35170.07
122D35170.07
131C33200.09
132E33200.09
141C34320.06
142G34320.06
151C33800.09
152L33800.09
161D32930.09
162E32930.09
171D34380.06
172G34380.06
181D33900.09
182L33900.09
191E33130.08
192G33130.08
201E32440.1
202L32440.1
211G33570.08
212L33570.08
LS refinement shellResolution: 2.395→2.457 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.237 81 -
Rwork0.194 1527 -
obs--44.75 %
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)
15.93522.28962.21553.28751.8945.8360.045-0.3092-0.2260.3084-0.0807-0.22-0.4737-0.08390.03560.1437-0.0563-0.14080.39330.02480.598512.9921.622-10.784
21.7881-0.1289-0.38766.44372.60185.1946-0.0346-0.2470.10020.35290.042-0.1543-0.1344-0.3508-0.00750.3615-0.0934-0.08520.139-0.07030.518730.726-3.079-78.77
31.89550.05560.20026.51922.17874.55090.00040.1999-0.1099-0.3586-0.027-0.0980.0826-0.32610.02660.30760.08450.08440.1004-0.06620.47844.919-11.919-57.703
46.25722.38522.45823.03781.30185.1737-0.07210.3194-0.1961-0.16670.0722-0.0037-0.3411-0.3608-00.2472-0.1311-0.05070.222-0.10190.541717.462-24.93210.463
57.8250.59240.27465.950.06775.1517-0.23891.0301-0.073-1.05760.25790.5346-0.0423-0.2743-0.01910.2136-0.1332-0.15140.5859-0.05010.47835.752-4.954-30.699
67.02692.7056-0.70828.3205-0.14344.02060.1339-0.91980.2430.5437-0.0649-0.4287-0.13330.1668-0.06890.2672-0.1962-0.09410.3144-0.06490.437112.731-49.45227.381
76.0445-0.7427-0.46578.04161.20364.39750.1515-0.76260.37681.2084-0.13910.2239-0.1398-0.1444-0.01240.55370.08840.050.1667-0.10660.467622.285-28.664-38.307
85.21030.31360.32778.2450.75624.57850.12440.7435-0.4616-1.2859-0.14170.17640.1918-0.12090.01730.5674-0.083-0.03680.1633-0.12290.482148.24413.587-97.951
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A31 - 183
2X-RAY DIFFRACTION2B32 - 183
3X-RAY DIFFRACTION3C32 - 183
4X-RAY DIFFRACTION4D33 - 183
5X-RAY DIFFRACTION5E34 - 183
6X-RAY DIFFRACTION6F33 - 181
7X-RAY DIFFRACTION7G33 - 183
8X-RAY DIFFRACTION8L33 - 183

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