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- PDB-3vbe: Crystal structure of beta-cyanoalanine synthase in soybean -

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Basic information

Entry
Database: PDB / ID: 3vbe
TitleCrystal structure of beta-cyanoalanine synthase in soybean
Componentsbeta-cyanoalnine synthase
KeywordsTRANSFERASE / beta-cyanoalanine synthase
Function / homology
Function and homology information


L-3-cyanoalanine synthase activity / cysteine synthase / cysteine synthase activity / cysteine biosynthetic process from serine / mitochondrion / cytoplasm
Similarity search - Function
Cysteine synthase CysK / Cysteine synthase / Cysteine synthase/cystathionine beta-synthase, pyridoxal-phosphate attachment site / Cysteine synthase/cystathionine beta-synthase P-phosphate attachment site. / Rossmann fold - #1100 / Pyridoxal-phosphate dependent enzyme / Tryptophan synthase beta subunit-like PLP-dependent enzyme / Pyridoxal-phosphate dependent enzyme / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
PYRIDOXAL-5'-PHOSPHATE / Cysteine synthase
Similarity search - Component
Biological speciesGlycine max (soybean)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsYi, H. / Jez, J.M.
CitationJournal: Plant Cell / Year: 2012
Title: Structure of Soybean beta-Cyanoalanine Synthase and the Molecular Basis for Cyanide Detoxification in Plants.
Authors: Yi, H. / Juergens, M. / Jez, J.M.
History
DepositionJan 2, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 12, 2012Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: beta-cyanoalnine synthase
B: beta-cyanoalnine synthase
C: beta-cyanoalnine synthase
D: beta-cyanoalnine synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)149,9358
Polymers148,9464
Non-polymers9894
Water3,855214
1
A: beta-cyanoalnine synthase
B: beta-cyanoalnine synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)74,9674
Polymers74,4732
Non-polymers4942
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6670 Å2
ΔGint-45 kcal/mol
Surface area24090 Å2
MethodPISA
2
C: beta-cyanoalnine synthase
D: beta-cyanoalnine synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)74,9674
Polymers74,4732
Non-polymers4942
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6880 Å2
ΔGint-43 kcal/mol
Surface area24750 Å2
MethodPISA
Unit cell
Length a, b, c (Å)190.323, 154.580, 70.800
Angle α, β, γ (deg.)90.00, 101.89, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein
beta-cyanoalnine synthase


Mass: 37236.504 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Glycine max (soybean) / Strain: Williams 82 / Gene: GLYMA09G39390, OAS-TL3 / Plasmid: pET28 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: I1L6I6*PLUS, cysteine synthase
#2: Chemical
ChemComp-PLP / PYRIDOXAL-5'-PHOSPHATE / VITAMIN B6 Phosphate / Pyridoxal phosphate


Mass: 247.142 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C8H10NO6P
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 214 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsLOCALIZATION PEPTIDE AT THE N-TERMINAL. NCBI SEQUENCE REFERENCE XP_003534555.1, RESIDUES 52-373

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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: 3.41 Å3/Da / Density % sol: 63.92 %
Crystal growTemperature: 279 K / pH: 6.2
Details: 10% (w/v) PEG-8000, 0.1 M Na/K phosphate, 0.2M NaCl, pH 6.2, vapor diffusion, hanging drop, temperature 279K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 0.979
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 24, 2010
RadiationMonochromator: ROSENBAUM-ROCK HIGH-RESOLUTION DOUBLE-CRYSTAL MONOCHROMATOR
Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 2.5→100 Å / Num. obs: 68674 / % possible obs: 99.8 % / Redundancy: 4.8 % / Rmerge(I) obs: 0.108 / Net I/σ(I): 11.8
Reflection shellResolution: 2.5→2.54 Å / Redundancy: 5 % / Rmerge(I) obs: 0.667 / % possible all: 100

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Processing

Software
NameVersionClassificationNB
SCALEPACKdata scaling
PHENIX1.7.1_743refinement
PDB_EXTRACT3.1data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.5→49.16 Å / Occupancy max: 1 / Occupancy min: 1 / SU ML: 0.69 / σ(F): 1.33 / Phase error: 22.56 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.21 3462 5.06 %
Rwork0.167 --
obs0.169 68418 99.2 %
Solvent computationShrinkage radii: 0.72 Å / VDW probe radii: 1 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 38.66 Å2 / ksol: 0.34 e/Å3
Displacement parametersBiso mean: 53.66 Å2
Baniso -1Baniso -2Baniso -3
1-0.0943 Å2-0 Å21.1955 Å2
2---1.5118 Å2-0 Å2
3---1.4175 Å2
Refinement stepCycle: LAST / Resolution: 2.5→49.16 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9699 0 60 214 9973
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0089928
X-RAY DIFFRACTIONf_angle_d1.10613438
X-RAY DIFFRACTIONf_dihedral_angle_d14.2673723
X-RAY DIFFRACTIONf_chiral_restr0.0721536
X-RAY DIFFRACTIONf_plane_restr0.0051736
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.5016-2.53590.30281280.23212366X-RAY DIFFRACTION91
2.5359-2.57210.34321290.23522574X-RAY DIFFRACTION99
2.5721-2.61050.29991430.21692629X-RAY DIFFRACTION99
2.6105-2.65130.26111210.20652592X-RAY DIFFRACTION99
2.6513-2.69480.25991150.20462579X-RAY DIFFRACTION99
2.6948-2.74120.27411240.20842645X-RAY DIFFRACTION99
2.7412-2.79110.25291270.21982569X-RAY DIFFRACTION99
2.7911-2.84480.31781450.21522617X-RAY DIFFRACTION100
2.8448-2.90280.26821220.2062589X-RAY DIFFRACTION99
2.9028-2.96590.26481350.22616X-RAY DIFFRACTION100
2.9659-3.03490.27511340.18992604X-RAY DIFFRACTION100
3.0349-3.11080.24071430.17922595X-RAY DIFFRACTION100
3.1108-3.19490.21721480.18092612X-RAY DIFFRACTION100
3.1949-3.28890.23321470.18282608X-RAY DIFFRACTION100
3.2889-3.3950.22751310.17452637X-RAY DIFFRACTION100
3.395-3.51630.24851490.17522601X-RAY DIFFRACTION100
3.5163-3.65710.22121310.16342621X-RAY DIFFRACTION100
3.6571-3.82340.17561560.15222601X-RAY DIFFRACTION100
3.8234-4.02490.16241480.13882608X-RAY DIFFRACTION100
4.0249-4.2770.18711380.13472624X-RAY DIFFRACTION100
4.277-4.6070.15241480.12042610X-RAY DIFFRACTION100
4.607-5.07020.17451550.12752626X-RAY DIFFRACTION100
5.0702-5.80280.18911380.17112634X-RAY DIFFRACTION100
5.8028-7.30710.19041520.16632620X-RAY DIFFRACTION100
7.3071-49.16490.19791550.16772579X-RAY DIFFRACTION97
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)
10.0444-0.0337-0.16190.10240.18870.94630.2023-0.051-0.0646-0.0022-0.2459-0.2964-0.25570.4002-0.02080.2161-0.0068-0.02340.4140.02950.3894-19.71795.931812.1959
20.34950.2324-0.21320.1969-0.21820.28490.0374-0.0939-0.1-0.09220.0410.0112-0.01190.0919-00.287-0.0326-0.01390.30110.00290.2888-34.77748.3076-0.532
30.11330.0988-0.03860.0736-0.00570.06050.0935-0.0566-0.2980.2392-0.06960.09940.0693-0.1176-0.00050.3701-0.1069-0.02090.30140.03980.3071-46.45611.29222.0278
40.0247-0.00660.03660.08020.02890.0638-0.32340.1288-0.0663-0.60490.19360.08460.01560.0418-0.00130.4658-0.155-0.00840.38820.01340.3235-46.59980.9007-13.903
50.0488-0.0714-0.02820.22020.01170.044-0.0490.28210.1328-0.31710.0273-0.0854-0.21610.2630.00010.2945-0.08190.08520.3532-0.05070.3369-26.08239.2073-5.4324
60.1648-0.23890.07850.3954-0.29240.44490.06150.0114-0.18790.0134-0.0537-0.01110.34880.12420.00010.3452-0.04190.06410.4794-0.05630.4806-19.0531-4.609-4.6772
70.26330.18090.05710.28940.15510.07620.01770.232-0.2965-0.11330.0796-0.05130.16740.35230.00040.36030.01820.02560.4505-0.08110.4811-22.1145-9.8712-0.8459
80.28250.0746-0.02710.07930.01120.2808-0.11010.1606-0.14440.0468-0.1637-0.29910.18920.1531-0.21970.19810.081-0.01350.4514-0.01750.3906-15.0451-9.34285.2194
90.0410.0572-0.02940.0286-0.02740.03410.00920.0818-0.01680.0059-0.15890.02060.2492-0.1891-0.00030.4783-0.18290.0170.4474-0.08370.4456-36.1583-12.952613.9267
100.11860.0828-0.09450.10160.04950.2039-0.22240.06580.04270.1750.23080.0054-0.27320.1637-00.35060.00330.00670.3942-0.0260.2693-26.714913.222217.524
110.36210.1205-0.25820.36690.23920.4432-0.1794-0.1830.00210.14250.3322-0.32160.0851-0.0880.00610.36650.0323-0.05690.27810.00450.2712-27.4963-2.7229.2147
120.05060.06050.04640.07140.04680.0403-0.0202-0.09880.19350.0330.15730.19490.1599-0.14070.00060.6299-0.07790.01060.43370.09380.3449-37.9631-12.666926.7039
130.8689-0.8656-0.07691.2223-0.11240.1016-0.0468-0.41120.03330.37440.1215-0.34970.4394-0.02640.0510.8624-0.07520.01570.54760.11320.2427-32.5916-10.340840.9476
140.09730.0190.19470.18910.23160.6092-0-0.07340.11720.13270.14430.0230.0345-0.102800.2990.01080.00520.3013-0.04150.2755-30.195616.956132.3259
150.01390.0186-0.01190.0166-0.01170.0068-0.17790.23960.28060.22630.1155-0.01130.1323-0.3906-0.00030.6208-0.25310.0660.85040.00550.6112-47.59656.449735.1369
160.1222-0.1509-0.11550.29190.22260.1555-0.0027-0.11950.01890.1460.01780.21490.0194-0.0722-00.2376-0.03540.04460.3643-0.00520.2822-42.994313.154729.2096
170.13490.02740.00340.078-0.16170.36190.0231-0.07240.0204-0.1346-0.0973-0.17430.0213-0.35730.00080.3320.00970.02210.3155-0.01940.2308-40.512715.450522.2597
180.07860.0004-0.0214-0.0022-0.00180.00960.05410.09930.37810.0739-0.08160.40560.2072-0.3667-0.00060.385-0.1910.06070.52250.02970.4808-53.0899-0.57646.0645
190.057-0.02950.10870.074-0.23190.3860.0201-0.1615-0.1061-0.0792-0.0404-0.20810.1810.0394-0.07320.18070.0010.04630.3665-0.04640.3742-29.769941.639266.227
200.4489-0.3438-0.30010.90090.48781.49250.21860.22030.0785-0.24380.1188-0.2798-0.27830.01830.46190.2791-0.02550.14620.2270.00860.2661-34.976250.071945.618
210.1076-0.0147-0.02260.4156-0.17160.35890.04430.10850.041-0.12510.0289-0.0303-0.1091-0.30090.00270.25880.0346-0.03860.32660.01530.2414-52.807542.271654.8211
220.1370.0986-0.25750.0674-0.18220.77760.015-0.1009-0.0042-0.1065-0.28-0.47450.25120.2357-0.11060.2656-0.0377-0.00240.3062-0.03140.484-31.570546.887969.5599
230.2085-0.2513-0.10680.2730.08630.13230.0235-0.0050.12670.14780.0665-0.04040.04660.069900.32050.0377-0.01840.2770.01070.3008-50.361644.7675.0839
240.0901-0.07960.03450.0641-0.04610.0522-0.01050.24890.3149-0.24380.00780.19640.0999-0.2821-0.00110.34120.07740.010.39360.06590.3868-59.987251.85168.0341
250.0451-0.03410.0050.0276-0.00040.0067-0.208-0.35480.02140.37510.21170.1228-0.1362-0.0454-00.47340.10360.13960.44370.08160.4242-66.537552.303482.4857
260.05480.06560.06090.69520.32060.1647-0.1345-0.3645-0.2410.62010.0424-0.18020.25120.08710.06780.40650.1024-0.14390.3141-0.01370.305-44.465243.809583.1011
270.60640.528-0.63990.6088-0.40461.56380.1203-0.22040.19750.46520.0111-0.1886-0.468-0.10520.28410.44580.039-0.19620.4138-0.07930.4314-38.591557.974486.4923
280.16380.099-0.18620.51540.70641.71760.1111-0.00040.2761-0.21580.1266-0.6919-0.6967-0.06420.37970.1715-0.0844-0.07160.2642-0.13370.5667-31.787364.098474.8473
290.0093-0.0080.0122-0.0071-0.01440.01210.1595-0.2181-0.1131-0.1457-0.0469-0.1448-0.157-0.36280.00050.49320.13660.02360.4106-0.02110.4713-45.537465.928761.2376
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1(CHAIN A AND RESID 51:79 )
2X-RAY DIFFRACTION2(CHAIN A AND RESID 80:151 )
3X-RAY DIFFRACTION3(CHAIN A AND RESID 152:169 )
4X-RAY DIFFRACTION4(CHAIN A AND RESID 170:187 )
5X-RAY DIFFRACTION5(CHAIN A AND RESID 188:217 )
6X-RAY DIFFRACTION6(CHAIN A AND RESID 218:278 )
7X-RAY DIFFRACTION7(CHAIN A AND RESID 279:311 )
8X-RAY DIFFRACTION8(CHAIN A AND RESID 312:344 )
9X-RAY DIFFRACTION9(CHAIN A AND RESID 345:367 )
10X-RAY DIFFRACTION10(CHAIN B AND RESID 52:79 )
11X-RAY DIFFRACTION11(CHAIN B AND RESID 80:151 )
12X-RAY DIFFRACTION12(CHAIN B AND RESID 152:172 )
13X-RAY DIFFRACTION13(CHAIN B AND RESID 173:199 )
14X-RAY DIFFRACTION14(CHAIN B AND RESID 200:259 )
15X-RAY DIFFRACTION15(CHAIN B AND RESID 260:278 )
16X-RAY DIFFRACTION16(CHAIN B AND RESID 279:311 )
17X-RAY DIFFRACTION17(CHAIN B AND RESID 312:354 )
18X-RAY DIFFRACTION18(CHAIN B AND RESID 355:372 )
19X-RAY DIFFRACTION19(CHAIN C AND RESID 44:79 )
20X-RAY DIFFRACTION20(CHAIN C AND RESID 80:296 )
21X-RAY DIFFRACTION21(CHAIN C AND RESID 297:372 )
22X-RAY DIFFRACTION22(CHAIN D AND RESID 51:79 )
23X-RAY DIFFRACTION23(CHAIN D AND RESID 80:151 )
24X-RAY DIFFRACTION24(CHAIN D AND RESID 152:169 )
25X-RAY DIFFRACTION25(CHAIN D AND RESID 170:187 )
26X-RAY DIFFRACTION26(CHAIN D AND RESID 188:217 )
27X-RAY DIFFRACTION27(CHAIN D AND RESID 218:296 )
28X-RAY DIFFRACTION28(CHAIN D AND RESID 297:344 )
29X-RAY DIFFRACTION29(CHAIN D AND RESID 345:367 )

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