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- PDB-4a1h: Human myelin P2 protein, K45S mutant -

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Basic information

Entry
Database: PDB / ID: 4a1h
TitleHuman myelin P2 protein, K45S mutant
ComponentsMYELIN P2 PROTEIN
KeywordsTRANSPORT / LIPID-BINDING
Function / homology
Function and homology information


membrane organization / cholesterol binding / fatty acid transport / fatty acid binding / myelin sheath / extracellular exosome / nucleus / cytosol
Similarity search - Function
Myelin P2 protein / Cytosolic fatty-acid binding proteins signature. / Intracellular lipid binding protein / Cytosolic fatty-acid binding / Calycin beta-barrel core domain / Lipocalin / cytosolic fatty-acid binding protein family / Lipocalin/cytosolic fatty-acid binding domain / Calycin / Lipocalin / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
PALMITIC ACID / Myelin P2 protein
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.201 Å
AuthorsLehtimaki, M. / Kursula, P.
CitationJournal: To be Published
Title: Structure-Function Relationships in the Myelin Peripheral Membrane Protein P2
Authors: Lehtimaki, M. / Kursula, P.
History
DepositionSep 15, 2011Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 26, 2012Provider: repository / Type: Initial release
Revision 1.1Jul 17, 2019Group: Data collection / Category: diffrn_source / Item: _diffrn_source.pdbx_synchrotron_site
Revision 1.2Apr 8, 2020Group: Other / Category: pdbx_database_status / Item: _pdbx_database_status.status_code_sf
Revision 1.3Dec 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_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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: MYELIN P2 PROTEIN
B: MYELIN P2 PROTEIN
C: MYELIN P2 PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,81610
Polymers44,8483
Non-polymers9687
Water3,693205
1
A: MYELIN P2 PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,3334
Polymers14,9491
Non-polymers3843
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: MYELIN P2 PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,2413
Polymers14,9491
Non-polymers2922
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
3
C: MYELIN P2 PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,2413
Polymers14,9491
Non-polymers2922
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)120.130, 63.610, 84.470
Angle α, β, γ (deg.)90.00, 130.10, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein MYELIN P2 PROTEIN / PERIPHERAL MYELIN PROTEIN 2


Mass: 14949.368 Da / Num. of mol.: 3 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Plasmid: PTH27 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): ROSETTA / References: UniProt: P02689
#2: Chemical ChemComp-PLM / PALMITIC ACID


Mass: 256.424 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C16H32O2
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical ChemComp-CL / CHLORIDE ION


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


Mass: 18.015 Da / Num. of mol.: 205 / Source method: isolated from a natural source / Formula: H2O
Compound detailsENGINEERED RESIDUE IN CHAIN A, LYS 46 TO SER ENGINEERED RESIDUE IN CHAIN B, LYS 46 TO SER ...ENGINEERED RESIDUE IN CHAIN A, LYS 46 TO SER ENGINEERED RESIDUE IN CHAIN B, LYS 46 TO SER ENGINEERED RESIDUE IN CHAIN C, LYS 46 TO SER

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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: 2.75 Å3/Da / Density % sol: 55.31 % / Description: NONE
Crystal growpH: 4.5 / Details: pH 4.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X12 / Wavelength: 1.0332
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Dec 1, 2010
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.0332 Å / Relative weight: 1
ReflectionResolution: 2.2→20 Å / Num. obs: 22007 / % possible obs: 88 % / Observed criterion σ(I): -3 / Redundancy: 3.4 % / Biso Wilson estimate: 33.29 Å2 / Rmerge(I) obs: 0.08 / Net I/σ(I): 11
Reflection shellResolution: 2.2→2.26 Å / Redundancy: 2.8 % / Rmerge(I) obs: 0.62 / Mean I/σ(I) obs: 1.6 / % possible all: 49.2

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Processing

Software
NameVersionClassification
PHENIX(PHENIX.REFINE)refinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2WUT
Resolution: 2.201→19.945 Å / SU ML: 0.63 / σ(F): 1.99 / Phase error: 31.07 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2518 1101 5 %
Rwork0.1943 --
obs0.1973 22001 88.63 %
Solvent computationShrinkage radii: 0.72 Å / VDW probe radii: 1 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 44.099 Å2 / ksol: 0.343 e/Å3
Displacement parameters
Baniso -1Baniso -2Baniso -3
1--9.5794 Å20 Å2-3.4755 Å2
2--15.4309 Å20 Å2
3----5.8515 Å2
Refinement stepCycle: LAST / Resolution: 2.201→19.945 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3135 0 63 205 3403
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0043224
X-RAY DIFFRACTIONf_angle_d0.7664295
X-RAY DIFFRACTIONf_dihedral_angle_d15.521265
X-RAY DIFFRACTIONf_chiral_restr0.048495
X-RAY DIFFRACTIONf_plane_restr0.002528
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.2014-2.30150.3522810.29711537X-RAY DIFFRACTION53
2.3015-2.42260.33741110.2732097X-RAY DIFFRACTION71
2.4226-2.57410.31981440.24412744X-RAY DIFFRACTION94
2.5741-2.77240.30711510.24332877X-RAY DIFFRACTION98
2.7724-3.05050.34411520.23532885X-RAY DIFFRACTION98
3.0505-3.48990.25791520.20442892X-RAY DIFFRACTION98
3.4899-4.38920.21451540.16072908X-RAY DIFFRACTION98
4.3892-19.94630.19551560.1532960X-RAY DIFFRACTION98
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)
18.4102-3.22276.78169.8794-1.40568.34830.49210.0537-1.2291-0.30550.31280.36960.2350.9508-0.71670.4276-0.0042-0.04720.4307-0.06970.3091-19.538311.269227.5169
25.4993.2259-3.63326.9079-3.83435.46570.2864-0.49140.36720.3484-0.8465-0.0326-0.5304-0.27350.49080.2119-0.0094-0.09650.3794-0.11810.3728-21.953927.248925.0367
37.2762-1.2274-1.53664.61122.53436.9104-0.18910.81680.9283-0.13960.4661-0.11-0.7304-0.363-0.18880.2981-0.1065-0.03930.49650.14120.2492-9.361834.461817.0247
43.9375-1.1567-0.34315.7692-1.20242.93230.11430.58990.54540.0906-0.5473-0.0771-0.3620.36340.29620.2961-0.106-0.16390.47970.05570.2841-19.275929.150615.3407
54.4993-2.32310.08944.18320.70062.25020.20560.2985-0.0701-0.2164-0.31040.47980.26820.3320.03430.25690.0719-0.07880.2896-0.16420.2985-20.406817.84613.6692
63.2791-1.72660.47844.5663-2.60812.67950.17740.57160.0238-0.205-0.4003-0.15660.10940.92310.17010.14560.064-0.05210.578-0.03550.1609-9.281616.761714.134
75.1651.5608-1.75248.22550.22691.27880.15510.3778-0.0083-1.0366-0.2733-0.58910.4410.80260.24760.23510.07680.02960.58560.03340.2279-5.449320.375914.3909
80.58380.4686-1.95053.2341-2.64617.95990.0959-0.31710.0311-0.0883-0.2841-0.2870.08681.35080.30910.249-0.0783-0.02410.5608-0.0110.1716-9.082322.01822.312
92.37741.912-2.3063.4587-3.36353.83470.2762-0.654-0.6140.1446-0.8342-0.4947-0.44521.07950.50030.2213-0.0055-0.03940.57010.02190.2186-13.080824.850626.7123
103.08090.06990.99543.0928-0.0552.7189-0.27160.0104-0.0903-0.1548-0.1743-0.0326-0.09130.22250.27480.1433-0.03640.00210.4954-0.04780.3157-15.592427.814824.6659
110.0988-0.581-0.21333.41591.25440.46070.01850.13940.13970.3126-0.4701-1.1564-0.37181.88940.52560.3783-0.1269-0.08750.94250.24640.39758.015927.685553.5927
123.6225-0.4063-0.57311.5892-0.40390.73370.2568-0.585-0.17720.4619-0.4244-0.16770.07660.0126-0.07620.3247-0.2767-0.04710.63690.09710.2408-7.666426.463350.8929
136.88432.11580.40014.1574-5.06277.6909-0.0355-0.70860.30070.745-0.04780.3736-0.8601-0.93550.12620.31390.0101-0.03350.7056-0.25290.4555-14.620738.726142.756
144.5093-0.7671.33092.34140.11572.16570.216-0.1329-0.42240.03-0.47090.232-0.0133-0.13740.15960.2093-0.0498-0.03410.5799-0.00490.2156-9.71629.385740.7839
157.6808-0.86881.74171.98180.97342.66870.20440.0647-0.715-0.0894-0.1695-0.59540.03570.0903-0.10540.2515-0.0984-0.11410.47990.15090.45095.550726.289441.8124
169.44737.70090.79028.70141.23114.0541-0.50.3405-0.078-0.49810.2810.02380.44590.07540.21750.2908-0.08740.03720.4746-0.04790.2066-2.358426.772637.2819
176.25031.24013.23584.14560.42994.1310.05930.4048-0.1574-0.0638-0.19750.22110.1070.14090.17910.2377-0.1204-0.00240.276-0.0390.19013.376636.182936.1651
185.8563-1.13855.96412.4401-2.2138.90840.1836-0.54260.02630.3852-0.3577-0.1318-0.4180.25420.21930.2423-0.2066-0.00280.4872-0.00180.24043.532640.047343.431
192.21170.09091.58946.324-4.69898.07140.056-0.49140.21350.2209-0.26490.3127-0.3739-0.17040.13180.2506-0.1525-0.0160.698-0.12120.3461-1.88239.97845.8074
203.13771.44530.06192.56290.20082.28960.2708-0.7996-0.01370.7316-0.62680.1536-0.2378-0.0203-0.110.3139-0.3030.04340.7442-0.07810.2843-6.666933.910951.1392
214.9489-2.22750.09844.73720.21035.3518-0.6796-1.51070.0860.16870.4268-0.1264-0.0864-0.50470.30260.3037-0.0173-0.13990.4210.11290.3574-24.1979.988467.5142
222.3423-1.2145-0.53723.5339-0.58011.0857-0.3631-0.1871-0.0572-0.1978-0.228-1.08250.50670.77190.41780.34410.24580.12760.83460.19810.4433-6.89726.02755.0557
231.6348-1.532-1.28393.4644-1.28284.05360.1021-0.09820.48240.1238-0.0496-0.1551-0.05070.0195-0.09160.259-0.1001-0.04510.25330.16680.2849-25.448611.987459.017
242.55730.1592-0.2724.66731.49835.72370.28040.40580.15730.3719-0.096-0.8828-0.13180.76410.03810.3253-0.0812-0.13150.40530.19240.3617-21.992712.962153.2266
257.22411.0944-2.8174.3997-3.7286.99910.12320.4148-0.5641-0.9575-0.07460.03131.8569-0.08510.21780.7772-0.0308-0.15120.30660.05950.3247-25.48730.25152.0433
265.2497-0.318-0.85843.94132.81937.13270.2050.0277-0.4764-0.5958-0.1473-0.18161.18320.2680.01170.65410.1229-0.10.23830.02630.3081-20.452-0.6761.6471
276.296-4.0556-0.95013.87381.40867.2825-0.2197-0.25410.19450.3157-0.0528-0.80590.54810.80160.19380.2488-0.0027-0.08240.35980.17450.3795-15.76296.516765.8585
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1CHAIN A AND (RESSEQ -1:5)
2X-RAY DIFFRACTION2CHAIN A AND (RESSEQ 6:14)
3X-RAY DIFFRACTION3CHAIN A AND (RESSEQ 15:23)
4X-RAY DIFFRACTION4CHAIN A AND (RESSEQ 24:45)
5X-RAY DIFFRACTION5CHAIN A AND (RESSEQ 46:65)
6X-RAY DIFFRACTION6CHAIN A AND (RESSEQ 66:90)
7X-RAY DIFFRACTION7CHAIN A AND (RESSEQ 91:99)
8X-RAY DIFFRACTION8CHAIN A AND (RESSEQ 100:109)
9X-RAY DIFFRACTION9CHAIN A AND (RESSEQ 110:119)
10X-RAY DIFFRACTION10CHAIN A AND (RESSEQ 120:131)
11X-RAY DIFFRACTION11CHAIN B AND (RESSEQ -1:5)
12X-RAY DIFFRACTION12CHAIN B AND (RESSEQ 6:14)
13X-RAY DIFFRACTION13CHAIN B AND (RESSEQ 15:22)
14X-RAY DIFFRACTION14CHAIN B AND (RESSEQ 23:45)
15X-RAY DIFFRACTION15CHAIN B AND (RESSEQ 46:54)
16X-RAY DIFFRACTION16CHAIN B AND (RESSEQ 55:64)
17X-RAY DIFFRACTION17CHAIN B AND (RESSEQ 65:78)
18X-RAY DIFFRACTION18CHAIN B AND (RESSEQ 79:97)
19X-RAY DIFFRACTION19CHAIN B AND (RESSEQ 98:109)
20X-RAY DIFFRACTION20CHAIN B AND (RESSEQ 110:131)
21X-RAY DIFFRACTION21CHAIN C AND (RESSEQ -1:14)
22X-RAY DIFFRACTION22CHAIN C AND (RESSEQ 15:33)
23X-RAY DIFFRACTION23CHAIN C AND (RESSEQ 34:54)
24X-RAY DIFFRACTION24CHAIN C AND (RESSEQ 55:64)
25X-RAY DIFFRACTION25CHAIN C AND (RESSEQ 65:87)
26X-RAY DIFFRACTION26CHAIN C AND (RESSEQ 88:119)
27X-RAY DIFFRACTION27CHAIN C AND (RESSEQ 120:131)

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