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- PDB-6kge: Crystal structure of CaDoc0917(R16D)-CaCohA2 complex at pH 5.5 -

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Basic information

Entry
Database: PDB / ID: 6kge
TitleCrystal structure of CaDoc0917(R16D)-CaCohA2 complex at pH 5.5
Components
  • And cellulose-binding endoglucanase family 9 CelL ortholog dockerin domain
  • Probably cellulosomal scaffolding protein, secreted cellulose-binding and cohesin domain
KeywordsHYDROLASE / cohesin / dockerin / cellulosome / calcium-binding
Function / homology
Function and homology information


cellulose binding / polysaccharide catabolic process / hydrolase activity, hydrolyzing O-glycosyl compounds
Similarity search - Function
Carbohydrate binding X2 domain / Carbohydrate binding domain X2 / Type 1 dockerin domain / Dockerin domain / Cellulosome anchoring protein, cohesin domain / Cohesin domain / Cellulose binding domain / Cellulose binding domain / Carbohydrate-binding module 3 / Carbohydrate-binding module 3 superfamily ...Carbohydrate binding X2 domain / Carbohydrate binding domain X2 / Type 1 dockerin domain / Dockerin domain / Cellulosome anchoring protein, cohesin domain / Cohesin domain / Cellulose binding domain / Cellulose binding domain / Carbohydrate-binding module 3 / Carbohydrate-binding module 3 superfamily / CBM3 (carbohydrate binding type-3) domain profile. / Glycoside hydrolase family 9 / Glycosyl hydrolase family 9 / Parallel beta-helix repeat / Parallel beta-helix repeats / Dockerin domain / Dockerin domain profile. / Dockerin type I domain / Dockerin type I repeat / Dockerin domain superfamily / CBM2/CBM3, carbohydrate-binding domain superfamily / Six-hairpin glycosidase-like superfamily / Six-hairpin glycosidase superfamily / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / Immunoglobulin E-set / Immunoglobulin-like fold / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Probably cellulosomal scaffolding protein, secreted cellulose-binding and cohesin domain / And cellulose-binding endoglucanase family 9 CelL ortholog dockerin domain
Similarity search - Component
Biological speciesClostridium acetobutylicum ATCC 824 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsFeng, Y. / Yao, X.
Funding support China, 2items
OrganizationGrant numberCountry
National Natural Science Foundation of China31270784 China
National Natural Science Foundation of China31670735 China
CitationJournal: Sci Adv / Year: 2020
Title: Discovery and mechanism of a pH-dependent dual-binding-site switch in the interaction of a pair of protein modules.
Authors: Yao, X. / Chen, C. / Wang, Y. / Dong, S. / Liu, Y.J. / Li, Y. / Cui, Z. / Gong, W. / Perrett, S. / Yao, L. / Lamed, R. / Bayer, E.A. / Cui, Q. / Feng, Y.
History
DepositionJul 11, 2019Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 8, 2020Provider: repository / Type: Initial release
Revision 1.1Nov 4, 2020Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Nov 22, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
C: Probably cellulosomal scaffolding protein, secreted cellulose-binding and cohesin domain
D: And cellulose-binding endoglucanase family 9 CelL ortholog dockerin domain
A: Probably cellulosomal scaffolding protein, secreted cellulose-binding and cohesin domain
B: And cellulose-binding endoglucanase family 9 CelL ortholog dockerin domain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,5788
Polymers44,4184
Non-polymers1604
Water5,296294
1
C: Probably cellulosomal scaffolding protein, secreted cellulose-binding and cohesin domain
D: And cellulose-binding endoglucanase family 9 CelL ortholog dockerin domain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,2894
Polymers22,2092
Non-polymers802
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1520 Å2
ΔGint-35 kcal/mol
Surface area9420 Å2
MethodPISA
2
A: Probably cellulosomal scaffolding protein, secreted cellulose-binding and cohesin domain
B: And cellulose-binding endoglucanase family 9 CelL ortholog dockerin domain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,2894
Polymers22,2092
Non-polymers802
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1360 Å2
ΔGint-9 kcal/mol
Surface area9480 Å2
MethodPISA
Unit cell
Length a, b, c (Å)42.990, 76.030, 121.000
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Probably cellulosomal scaffolding protein, secreted cellulose-binding and cohesin domain


Mass: 15624.421 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Clostridium acetobutylicum ATCC 824 (bacteria)
Strain: ATCC 824 / Gene: CA_C0910 / Plasmid: pET28a-SMT3 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: Q977Y4
#2: Protein And cellulose-binding endoglucanase family 9 CelL ortholog dockerin domain


Mass: 6584.346 Da / Num. of mol.: 2 / Mutation: R16D
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Clostridium acetobutylicum ATCC 824 (bacteria)
Strain: ATCC 824 / Gene: CA_C0917 / Plasmid: pET28a-SMT3 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / Variant (production host): Rosetta / References: UniProt: Q97KK2
#3: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 294 / 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: 2.33 Å3/Da / Density % sol: 47.19 %
Crystal growTemperature: 292 K / Method: vapor diffusion, hanging drop
Details: 0.2 M MgCl2, 0.1 M sodium acetate, and 25% (w/v) PEG 3350 at pH 5.5

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL17U1 / Wavelength: 0.97915 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Jun 1, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97915 Å / Relative weight: 1
ReflectionResolution: 2→35.751 Å / Num. obs: 51345 / % possible obs: 99.1 % / Redundancy: 3.725 % / Biso Wilson estimate: 23 Å2 / CC1/2: 0.983 / Rmerge(I) obs: 0.137 / Rrim(I) all: 0.16 / Χ2: 0.996 / Net I/σ(I): 6.47 / Num. measured all: 191254 / Scaling rejects: 6
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured obsNum. possibleNum. unique obsCC1/2Rrim(I) all% possible all
2-2.053.7430.4073.3814511388138770.8420.47699.9
2.05-2.113.7240.3863.6213804372137070.8540.45299.6
2.11-2.173.750.3314.1513698365736530.8870.38799.9
2.17-2.243.7460.2914.6313176352135170.8980.3499.9
2.24-2.313.7120.274.9312493338233660.9190.31799.5
2.31-2.393.7410.2365.3412438333933250.9420.27699.6
2.39-2.483.7340.2355.3911688314431300.9440.27599.6
2.48-2.583.730.2055.9211425308030630.9480.2499.4
2.58-2.73.7310.1946.210978296429420.9570.22799.3
2.7-2.833.730.1766.7410380281027830.9530.20699
2.83-2.983.7020.157.449781267226420.9620.17698.9
2.98-3.163.6910.1368.099191252924900.970.15998.5
3.16-3.383.6720.138.948612238123450.9610.15298.5
3.38-3.653.6110.1149.317835222021700.9720.13597.7
3.65-43.6210.1079.767246202820010.970.12698.7
4-4.473.8130.09910.536879182918040.980.11598.6
4.47-5.163.8110.10110.666178163716210.9740.11999
5.16-6.323.8470.09610.575228136213590.9810.11299.8
6.32-8.943.8080.08710.754021106310560.9850.10299.3
8.94-35.7513.4250.07910.6216925784940.980.09385.5

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Processing

Software
NameVersionClassification
XSCALEdata scaling
PHENIX(1.13_2998: ???)refinement
Cootmodel building
XDSdata reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1OHZ
Resolution: 2→35.751 Å / SU ML: 0.25 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 25.95
Details: SF FILE CONTAINS FRIEDEL PAIRS UNDER I_MINUS AND I_PLUS COLUMNS.
RfactorNum. reflection% reflection
Rfree0.2373 3742 7.29 %
Rwork0.1935 --
obs0.1967 51340 99.13 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 150.99 Å2 / Biso mean: 34.2468 Å2 / Biso min: 11.21 Å2
Refinement stepCycle: final / Resolution: 2→35.751 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2962 0 4 294 3260
Biso mean--27.56 35.69 -
Num. residues----403
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork% reflection obs (%)
2-2.02530.28681400.26131805100
2.0253-2.05190.3171420.2581790100
2.0519-2.080.29641370.2597174399
2.08-2.10970.29171400.2531794100
2.1097-2.14120.28341380.24451781100
2.1412-2.17470.36211380.2521754100
2.1747-2.21030.28081430.23281772100
2.2103-2.24840.24231410.23121773100
2.2484-2.28930.30561390.2299179799
2.2893-2.33330.24691370.21591723100
2.3333-2.3810.2311420.20761805100
2.381-2.43270.2821390.2116175399
2.4327-2.48930.29281430.20021770100
2.4893-2.55150.20141360.204176799
2.5515-2.62050.31481370.2138176799
2.6205-2.69760.24841390.2154176899
2.6976-2.78460.26511320.2122173299
2.7846-2.88410.28161430.2217177699
2.8841-2.99950.25811400.2068174599
2.9995-3.1360.2661400.2136175899
3.136-3.30120.25861420.1909177399
3.3012-3.50780.19571320.1911169998
3.5078-3.77840.2371370.1612176298
3.7784-4.15810.19471440.1525176799
4.1581-4.75860.15211370.1373177599
4.7586-5.99080.16541370.142174299
5.9908-35.7510.22251270.1786170796
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)
18.42986.6098-1.37717.0938-1.48773.2226-0.0425-0.4250.25050.46810.06080.2422-0.028-0.1714-0.12020.30230.0270.02360.1602-0.01810.1444-11.4516162.278354.87
28.09258.0668-5.52098.6158-5.73694.92140.3636-0.3058-0.10530.2265-0.3124-0.1125-0.11910.2056-0.04730.14180.027-0.01350.1655-0.02940.3013-6.6499168.454243.0314
37.05144.4329-3.6362.791-2.2941.8744-0.1727-0.0612-0.925-0.0714-0.527-1.72590.29210.63510.57820.1954-0.0183-0.05930.30070.0070.4232.1694164.168946.4814
42.33461.62250.05843.37730.76641.6760.1343-0.3109-0.32270.1936-0.1648-0.33090.3473-0.04680.04540.21590.0329-0.04690.18330.01680.3067-7.3978156.235948.4871
55.80273.7241-0.43215.4314-0.40951.763-0.0811-0.03870.1640.0827-0.00690.201-0.0597-0.0370.12290.21780.0823-0.00070.2455-0.04210.2546-11.0959169.208947.3414
65.63234.23862.98927.45815.46887.5910.24010.4574-0.35380.00110.0289-0.61150.35270.2867-0.29590.2180.0324-0.03760.2087-0.0250.1999-12.9834147.03729.4495
77.9144-1.1571-1.05325.68353.62295.11650.13290.08520.3463-0.3813-0.0703-0.0765-0.249-0.09070.03830.2040.01340.01220.14110.0360.2364-14.1647155.151129.1962
85.9857-1.59642.55464.98510.00816.42910.2662-0.4985-0.06670.4208-0.57961.44490.2728-0.786-0.18780.2766-0.0499-0.0070.3693-0.0410.2699-19.5611147.775438.5293
95.58953.5437-4.87499.0275-7.23026.6141-0.0104-0.0949-0.4230.0136-0.1423-0.44550.1852-0.02080.11530.1922-0.0584-0.11060.1649-0.03240.186715.899147.007621.7595
103.88563.1959-4.85097.6488-7.90228.9731-0.1678-0.0014-0.0273-0.2807-0.1891-0.42550.41070.15370.31580.1405-0.0297-0.05760.1878-0.00520.212718.6326157.359217.3166
114.34614.9898-3.11476.6174-2.95473.0770.03710.1008-0.0960.24050.0369-0.1458-0.0014-0.0943-0.18820.15810.0758-0.00980.14080.01390.17826.7037151.30321.3305
127.0223-6.77343.20797.8639-2.40834.8039-0.407-0.40231.47040.9394-0.093-0.9919-0.35840.07180.56750.36540.0101-0.09480.205-0.00230.472213.2602168.485423.1113
132.3142-0.9692-0.20635.4598-1.42562.837-0.0187-0.07430.18810.167-0.05430.1999-0.24480.11690.02780.20470.0129-0.03950.1388-0.01610.09099.634163.453616.976
146.99826.7585-6.5897.1202-6.46548.89730.2498-0.19350.04460.2993-0.0745-0.0643-0.20560.3571-0.1960.24140.0192-0.07250.11980.01450.234812.5955152.55225.7025
152.06851.0346-0.53628.6193-4.77713.54640.15150.1082-0.1296-0.5597-0.1860.08930.33310.14120.0080.20140.0197-0.00970.1592-0.06040.183711.7514150.428314.1879
163.6399-2.21140.94116.3367-2.49358.2519-0.0665-0.1320.30680.03170.28150.5247-0.2468-1.0418-0.40490.17140.00960.01650.27040.07330.2998-8.7265176.73877.8861
174.2211-2.12850.0879.407-4.70086.24110.1566-0.6739-0.04390.55090.15510.2953-0.28320.1579-0.13070.15210.0028-0.01020.24710.01120.2027-2.6936169.818416.5124
185.1351-4.2398-3.34226.34280.1354.68210.14-0.3617-0.4752-0.2280.43330.73040.3499-0.7321-0.27940.1925-0.03080.01250.28820.06450.3947-9.9294166.865714.9657
194.5718-2.73310.71773.32581.90596.02010.17320.2088-0.0906-0.5851-0.3715-0.49650.10020.31910.12250.17390.0168-0.03410.23440.01650.16961.936169.22046.3164
204.28084.6997-3.15816.7975-2.1623.18260.2644-0.45860.75860.3913-0.16570.3053-0.38830.3061-0.11290.29880.016-0.07260.1615-0.03610.2606-4.5393171.289553.5653
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1chain 'A' and (resid 20 through 35 )A20 - 35
2X-RAY DIFFRACTION2chain 'A' and (resid 36 through 47 )A36 - 47
3X-RAY DIFFRACTION3chain 'A' and (resid 48 through 55 )A48 - 55
4X-RAY DIFFRACTION4chain 'A' and (resid 56 through 105 )A56 - 105
5X-RAY DIFFRACTION5chain 'A' and (resid 106 through 145 )A106 - 145
6X-RAY DIFFRACTION6chain 'B' and (resid 1 through 26 )B1 - 26
7X-RAY DIFFRACTION7chain 'B' and (resid 27 through 47 )B27 - 47
8X-RAY DIFFRACTION8chain 'B' and (resid 48 through 60 )B48 - 60
9X-RAY DIFFRACTION9chain 'C' and (resid 5 through 19 )C5 - 19
10X-RAY DIFFRACTION10chain 'C' and (resid 20 through 35 )C20 - 35
11X-RAY DIFFRACTION11chain 'C' and (resid 36 through 55 )C36 - 55
12X-RAY DIFFRACTION12chain 'C' and (resid 56 through 67 )C56 - 67
13X-RAY DIFFRACTION13chain 'C' and (resid 68 through 95 )C68 - 95
14X-RAY DIFFRACTION14chain 'C' and (resid 96 through 105 )C96 - 105
15X-RAY DIFFRACTION15chain 'C' and (resid 106 through 145 )C106 - 145
16X-RAY DIFFRACTION16chain 'D' and (resid 0 through 14 )D0 - 14
17X-RAY DIFFRACTION17chain 'D' and (resid 15 through 26 )D15 - 26
18X-RAY DIFFRACTION18chain 'D' and (resid 27 through 37 )D27 - 37
19X-RAY DIFFRACTION19chain 'D' and (resid 38 through 60 )D38 - 60
20X-RAY DIFFRACTION20chain 'A' and (resid 5 through 19 )A5 - 19

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