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- PDB-4n0w: X-ray crystal structure of a serine hydroxymethyltransferase from... -

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Basic information

Entry
Database: PDB / ID: 4n0w
TitleX-ray crystal structure of a serine hydroxymethyltransferase from Burkholderia cenocepacia with covalently attached pyridoxal phosphate
ComponentsSerine hydroxymethyltransferase
KeywordsTRANSFERASE / Structural Genomics / NIAID / National Institute of Allergy and Infectious Diseases / Seattle Structural Genomics Center for Infectious Disease / SSGCID / serine hydroxymethyltransferase
Function / homology
Function and homology information


glycine hydroxymethyltransferase / glycine hydroxymethyltransferase activity / glycine biosynthetic process from serine / serine binding / L-serine catabolic process / tetrahydrofolate interconversion / cobalt ion binding / folic acid metabolic process / pyridoxal phosphate binding / zinc ion binding / cytosol
Similarity search - Function
Serine hydroxymethyltransferase, pyridoxal phosphate binding site / Serine hydroxymethyltransferase pyridoxal-phosphate attachment site. / Serine hydroxymethyltransferase / Serine hydroxymethyltransferase-like domain / Serine hydroxymethyltransferase / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain ...Serine hydroxymethyltransferase, pyridoxal phosphate binding site / Serine hydroxymethyltransferase pyridoxal-phosphate attachment site. / Serine hydroxymethyltransferase / Serine hydroxymethyltransferase-like domain / Serine hydroxymethyltransferase / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain / Pyridoxal phosphate-dependent transferase, major domain / Pyridoxal phosphate-dependent transferase / Alpha-Beta Complex / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
PYRIDOXAL-5'-PHOSPHATE / Serine hydroxymethyltransferase
Similarity search - Component
Biological speciesBurkholderia cenocepacia (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.65 Å
AuthorsSeattle Structural Genomics Center for Infectious Disease (SSGCID)
CitationJournal: To be Published
Title: X-ray crystal structure of a serine hydroxymethyltransferase from Burkholderia cenocepacia with covalently attached pyridoxal phosphate
Authors: Fairman, J.W. / Jensen, M.M. / Sullivan, A.H. / Abendroth, J. / Edwards, T.E. / Lorimer, D.
History
DepositionOct 2, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 11, 2013Provider: repository / Type: Initial release
Revision 1.1Sep 20, 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_ncs_dom_lim / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_label_asym_id / _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 / _struct_ref_seq_dif.details / _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: Serine hydroxymethyltransferase
B: Serine hydroxymethyltransferase
C: Serine hydroxymethyltransferase
D: Serine hydroxymethyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)185,65412
Polymers184,2814
Non-polymers1,3738
Water26,9141494
1
A: Serine hydroxymethyltransferase
C: Serine hydroxymethyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)92,8276
Polymers92,1412
Non-polymers6864
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area10410 Å2
ΔGint-88 kcal/mol
Surface area26250 Å2
MethodPISA
2
B: Serine hydroxymethyltransferase
D: Serine hydroxymethyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)92,8276
Polymers92,1412
Non-polymers6864
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9950 Å2
ΔGint-87 kcal/mol
Surface area26120 Å2
MethodPISA
Unit cell
Length a, b, c (Å)65.580, 178.650, 75.660
Angle α, β, γ (deg.)90.000, 114.700, 90.000
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22C
13A
23D
14B
24C
15B
25D
16C
26D

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
11METMETVALVALAA1 - 41310 - 422
21METMETVALVALBB1 - 41310 - 422
12METMETTYRTYRAA1 - 41410 - 423
22METMETTYRTYRCC1 - 41410 - 423
13PHEPHETYRTYRAA2 - 41411 - 423
23PHEPHETYRTYRDD2 - 41411 - 423
14METMETVALVALBB1 - 41310 - 422
24METMETVALVALCC1 - 41310 - 422
15PHEPHEVALVALBB2 - 41311 - 422
25PHEPHEVALVALDD2 - 41311 - 422
16PHEPHETYRTYRCC2 - 41411 - 423
26PHEPHETYRTYRDD2 - 41411 - 423

NCS ensembles :
ID
1
2
3
4
5
6

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Components

#1: Protein
Serine hydroxymethyltransferase / SHMT / Serine methylase


Mass: 46070.289 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Burkholderia cenocepacia (bacteria) / Strain: J2315 / Gene: glyA, glyA1, BceJ2315_31420, BCAL3197 / Production host: Escherichia coli (E. coli)
References: UniProt: B4ECY9, glycine hydroxymethyltransferase
#2: Chemical
ChemComp-PLP / PYRIDOXAL-5'-PHOSPHATE / VITAMIN B6 Phosphate


Mass: 247.142 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C8H10NO6P
#3: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: SO4
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1494 / 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: 2.19 Å3/Da / Density % sol: 43.71 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: MCSG1 F11: 0.2 M ammonium sulfate, 0.1 M HEPES pH 7.5, 25% PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 289K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-F / Wavelength: 0.97872 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Aug 8, 2013
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97872 Å / Relative weight: 1
ReflectionResolution: 1.65→50 Å / Num. all: 189363 / Num. obs: 188538 / % possible obs: 99.6 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 26.052 Å2 / Rmerge(I) obs: 0.056 / Net I/σ(I): 14.81
Reflection shell

Diffraction-ID: 1

Resolution (Å)Highest resolution (Å)Rmerge(I) obsMean I/σ(I) obsNum. measured obsNum. unique obs% possible all
1.65-1.690.5472.25485311361997.4
1.69-1.740.452.94516191359199.8
1.74-1.790.3563.73503681324699.8
1.79-1.840.284.66489871285599.8
1.84-1.910.2146.11475241244099.8
1.91-1.970.1727.62459881203199.8
1.97-2.050.139.82446261168099.8
2.05-2.130.10711.77428721119599.8
2.13-2.220.08314.73408551069599.8
2.22-2.330.07316.74391851029299.7
2.33-2.460.06418.7137173975099.8
2.46-2.610.05820.4635131924099.8
2.61-2.790.04923.9832858866899.7
2.79-3.010.04426.7130389809399.7
3.01-3.30.03929.6827681744199.5
3.3-3.690.03333.3524786671499.6
3.69-4.260.0336.3122028595499.7
4.26-5.220.02737.1918622500599.4
5.22-7.380.02636.8114664391299.4
7.380.02338.677703211797.2

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
XSCALEdata scaling
PHASERphasing
REFMAC5.7.0032refinement
PDB_EXTRACT3.11data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 4MSO
Resolution: 1.65→45.05 Å / Cor.coef. Fo:Fc: 0.971 / Cor.coef. Fo:Fc free: 0.965 / Occupancy max: 1 / Occupancy min: 0.27 / SU B: 3.293 / SU ML: 0.058 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.089 / ESU R Free: 0.083 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : RESIDUAL ONLY
RfactorNum. reflection% reflectionSelection details
Rfree0.1751 9470 5 %RANDOM
Rwork0.1561 ---
obs0.157 188538 99.72 %-
all-189363 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso max: 63.98 Å2 / Biso mean: 23.81 Å2 / Biso min: 4.19 Å2
Baniso -1Baniso -2Baniso -3
1-0.72 Å2-0 Å20.27 Å2
2--0.35 Å20 Å2
3----0.85 Å2
Refinement stepCycle: LAST / Resolution: 1.65→45.05 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms12406 0 80 1494 13980
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.01913011
X-RAY DIFFRACTIONr_bond_other_d0.0050.0212393
X-RAY DIFFRACTIONr_angle_refined_deg1.431.96317728
X-RAY DIFFRACTIONr_angle_other_deg1.092328460
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.63951727
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.3524.306569
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.635152073
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.9341579
X-RAY DIFFRACTIONr_chiral_restr0.0830.21982
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.02115140
X-RAY DIFFRACTIONr_gen_planes_other0.0040.022939
X-RAY DIFFRACTIONr_mcbond_it0.4660.8726707
X-RAY DIFFRACTIONr_mcbond_other0.4660.8726706
X-RAY DIFFRACTIONr_mcangle_it0.7341.3068396
Refine LS restraints NCS

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

Ens-IDDom-IDAuth asym-IDNumberRms dev position (Å)
11A247460.07
12B247460.07
21A251430.07
22C251430.07
31A251930.06
32D251930.06
41B250500.06
42C250500.06
51B245740.07
52D245740.07
61C249690.07
62D249690.07
LS refinement shellResolution: 1.65→1.693 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.291 668 -
Rwork0.275 12937 -
all-13605 -
obs--97.46 %
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)
15.53733.6292-1.59777.4817-5.69147.56360.1687-0.0727-0.11910.04510.16980.4750.2138-0.746-0.33850.09130.0573-0.02450.277-0.0150.13126.296266.383275.7968
20.9692-0.2716-0.29391.3397-0.67111.464-0.0283-0.0362-0.03350.053-0.00030.02590.0399-0.11890.02860.0174-0.0099-0.00340.0397-0.02140.027622.8952.846671.1529
32.03420.5427-0.16530.7523-0.14171.56640.0558-0.08970.3065-0.0338-0.064-0.1475-0.07950.34960.00820.0298-0.0020.01620.0918-0.00750.138543.145458.384172.8977
41.8623-0.22882.23061.2942-1.65645.1734-0.0418-0.0460.1069-0.0483-0.1474-0.3234-0.12470.42510.18920.04140.0010.06230.1755-0.01690.187952.583560.062263.9651
51.7021-0.18640.00690.743-0.43291.56170.03110.0324-0.0602-0.0873-0.0664-0.10940.19380.11480.03520.03760.0201-0.00240.0120.00250.035236.50950.695967.7227
61.4217-0.3201-0.30441.6228-0.52941.27930.08940.1070.1476-0.1791-0.0805-0.1151-0.0599-0.0305-0.00890.08360.05730.02730.04530.01980.030132.427671.867249.6934
71.3880.34330.08982.6450.561750.140.06680.2585-0.1385-0.0690.0009-0.19870.0913-0.07110.117-0.05020.02950.04990.01090.08129.5732.958860.1273
81.151-0.5221-0.34362.6555-0.00241.64180.0050.1203-0.1253-0.2629-0.03080.03160.3380.04370.02580.17950.0171-0.0340.0467-0.02970.0349-1.27810.478654.739
92.09021.5546-1.25633.9059-2.78552.02840.10240.0295-0.3316-0.4024-0.3491-0.26530.33870.32240.24680.51640.22330.08590.2512-0.03860.180915.1906-1.780743.0916
100.9713-0.3623-0.44352.53230.01991.71170.0910.2427-0.1494-0.4973-0.1540.06570.26460.01360.06310.23050.0359-0.02950.0848-0.04860.05251.158.589747.7944
112.04070.4144-0.15291.346-0.43832.33520.20770.22650.0718-0.3793-0.2727-0.31050.1680.68690.0650.29930.10490.13120.35240.04820.099622.789521.287540.6349
128.02611.4518-2.0991.9594-0.6981.04490.4008-0.12750.6994-0.0232-0.3259-0.5035-0.1890.5395-0.0750.3392-0.06310.13710.54160.11290.319925.010936.144245.5701
131.6059-0.2332-1.37841.42182.27787.0308-0.05970.14740.0248-0.13370.03510.1553-0.1941-0.35770.02460.0584-0.0396-0.00560.0891-0.00340.094713.124947.654775.2629
141.75370.16590.53250.76570.20512.03030.0238-0.0110.12410.01630.023-0.0527-0.18640.0601-0.04690.03890.0161-0.00980.0308-0.02790.035526.710169.257880.3921
154.7628-3.0691-2.94672.72933.398211.09510.0191-0.1921-0.1348-0.10880.07640.0031-0.10560.5517-0.09550.11970.0608-0.08880.2146-0.07220.116235.814455.019894.9728
161.03370.04880.20860.5453-0.14611.7326-0.0056-0.24950.05960.17730.0173-0.0835-0.1390.0881-0.01170.07890.0127-0.0290.0913-0.0460.059729.562166.526595.5731
170.53380.3514-0.32672.0125-0.61871.6642-0.0903-0.1295-0.07290.18240.07050.02220.1811-0.11640.01990.11480.02170.03470.139-0.01130.034614.468149.2226101.2772
183.07680.34971.00196.4258-4.02494.1595-0.1117-0.1261-0.3058-0.27310.2880.24450.6168-0.5941-0.17630.2379-0.11350.05780.2615-0.00940.07495.757738.649794.5794
191.1334-0.6587-0.84311.2037-1.832810.67390.24150.26340.133-0.281-0.2660.0736-0.26950.26570.02440.16220.035-0.05620.10480.01310.1486-12.013727.594158.7408
201.2727-0.0415-0.37081.7259-0.41911.3047-0.0058-0.0624-0.1348-0.1599-0.0468-0.1040.18810.19830.05270.0713-0.00350.01350.0587-0.00110.03097.87215.107969.2693
213.6651-1.2016-1.51452.9170.54710.8378-0.0664-0.1586-0.41980.0721-0.1286-0.06560.29830.08040.1950.350.00090.01310.07670.06810.1283-1.2921-0.712584.4618
221.54480.0506-0.68220.802-0.27621.12080.0289-0.2255-0.07150.1003-0.0475-0.03560.01930.17370.01860.0493-0.0304-0.01270.06570.00540.0335-0.046216.113579.999
231.02760.6831-0.15882.7591-0.79011.0540.02370.049-0.0187-0.06320.03760.35120.1433-0.2317-0.06130.0356-0.0456-0.00260.0786-0.00070.1212-24.050514.049977.8407
2410.4950.8223-0.79984.85410.55412.45480.26720.19130.55980.0177-0.06530.5184-0.249-0.3267-0.20190.06850.0411-0.00620.07490.0270.1429-23.765730.713373.4504
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A0 - 21
2X-RAY DIFFRACTION2A22 - 86
3X-RAY DIFFRACTION3A87 - 135
4X-RAY DIFFRACTION4A136 - 186
5X-RAY DIFFRACTION5A187 - 282
6X-RAY DIFFRACTION6A283 - 415
7X-RAY DIFFRACTION7B1 - 40
8X-RAY DIFFRACTION8B41 - 135
9X-RAY DIFFRACTION9B136 - 186
10X-RAY DIFFRACTION10B187 - 275
11X-RAY DIFFRACTION11B276 - 390
12X-RAY DIFFRACTION12B391 - 415
13X-RAY DIFFRACTION13C1 - 39
14X-RAY DIFFRACTION14C40 - 122
15X-RAY DIFFRACTION15C123 - 138
16X-RAY DIFFRACTION16C139 - 274
17X-RAY DIFFRACTION17C275 - 387
18X-RAY DIFFRACTION18C388 - 415
19X-RAY DIFFRACTION19D2 - 37
20X-RAY DIFFRACTION20D38 - 135
21X-RAY DIFFRACTION21D136 - 187
22X-RAY DIFFRACTION22D188 - 318
23X-RAY DIFFRACTION23D319 - 397
24X-RAY DIFFRACTION24D398 - 415

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