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- PDB-2pno: Crystal structure of human leukotriene C4 synthase -

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Basic information

Entry
Database: PDB / ID: 2pno
TitleCrystal structure of human leukotriene C4 synthase
ComponentsLeukotriene C4 synthase
KeywordsLYASE / membrane protein / helix bundle / homo trimer / mGST / MAPEG
Function / homology
Function and homology information


Biosynthesis of protectin and resolvin conjugates in tissue regeneration (PCTR and RCTR) / Biosynthesis of maresin conjugates in tissue regeneration (MCTR) / leukotriene-C4 synthase / leukotriene-C4 synthase activity / Synthesis of Lipoxins (LX) / Synthesis of 5-eicosatetraenoic acids / leukotriene metabolic process / Transferases; Transferring alkyl or aryl groups, other than methyl groups / Synthesis of Leukotrienes (LT) and Eoxins (EX) / leukotriene biosynthetic process ...Biosynthesis of protectin and resolvin conjugates in tissue regeneration (PCTR and RCTR) / Biosynthesis of maresin conjugates in tissue regeneration (MCTR) / leukotriene-C4 synthase / leukotriene-C4 synthase activity / Synthesis of Lipoxins (LX) / Synthesis of 5-eicosatetraenoic acids / leukotriene metabolic process / Transferases; Transferring alkyl or aryl groups, other than methyl groups / Synthesis of Leukotrienes (LT) and Eoxins (EX) / leukotriene biosynthetic process / glutathione peroxidase activity / nuclear outer membrane / long-chain fatty acid biosynthetic process / glutathione transferase activity / enzyme activator activity / nuclear envelope / nuclear membrane / intracellular membrane-bounded organelle / lipid binding / endoplasmic reticulum membrane / endoplasmic reticulum / identical protein binding / membrane
Similarity search - Function
5-lipoxygenase-activating protein / FLAP/GST2/LTC4S, conserved site / FLAP/GST2/LTC4S family signature. / Membrane associated eicosanoid/glutathione metabolism-like domain / Membrane-associated, eicosanoid/glutathione metabolism (MAPEG) protein / Membrane associated eicosanoid/glutathione metabolism-like domain superfamily / MAPEG family / Four Helix Bundle (Hemerythrin (Met), subunit A) / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
GLUTATHIONE / Leukotriene C4 synthase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 3.3 Å
AuthorsAgo, H. / Kanaoka, Y. / Irikura, D. / Lam, B.K. / Shimamura, T. / Austen, K.F. / Miyano, M.
CitationJournal: Nature / Year: 2007
Title: Crystal structure of a human membrane protein involved in cysteinyl leukotriene biosynthesis
Authors: Ago, H. / Kanaoka, Y. / Irikura, D. / Lam, B.K. / Shimamura, T. / Austen, K.F. / Miyano, M.
History
DepositionApr 24, 2007Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Aug 7, 2007Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.2Dec 7, 2011Group: Non-polymer description
Revision 1.3Mar 13, 2024Group: 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 / 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_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.end_auth_comp_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: Leukotriene C4 synthase
B: Leukotriene C4 synthase
C: Leukotriene C4 synthase
D: Leukotriene C4 synthase
E: Leukotriene C4 synthase
F: Leukotriene C4 synthase
G: Leukotriene C4 synthase
H: Leukotriene C4 synthase
I: Leukotriene C4 synthase
J: Leukotriene C4 synthase
K: Leukotriene C4 synthase
L: Leukotriene C4 synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)241,73181
Polymers208,93812
Non-polymers32,79369
Water00
1
A: Leukotriene C4 synthase
B: Leukotriene C4 synthase
C: Leukotriene C4 synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)63,36926
Polymers52,2353
Non-polymers11,13423
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area15690 Å2
ΔGint-41 kcal/mol
Surface area21530 Å2
MethodPISA
2
D: Leukotriene C4 synthase
E: Leukotriene C4 synthase
F: Leukotriene C4 synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)61,83723
Polymers52,2353
Non-polymers9,60220
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area16690 Å2
ΔGint-29 kcal/mol
Surface area20740 Å2
MethodPISA
3
G: Leukotriene C4 synthase
H: Leukotriene C4 synthase
I: Leukotriene C4 synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)58,77317
Polymers52,2353
Non-polymers6,53914
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12240 Å2
ΔGint-45 kcal/mol
Surface area19460 Å2
MethodPISA
4
J: Leukotriene C4 synthase
K: Leukotriene C4 synthase
L: Leukotriene C4 synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)57,75215
Polymers52,2353
Non-polymers5,51812
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12100 Å2
ΔGint-51 kcal/mol
Surface area19950 Å2
MethodPISA
Unit cell
Length a, b, c (Å)117.500, 293.900, 206.500
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
31C
41D
51E
61F
71G
81H
91I
101J
111K
121L
12A
22B
32C
42D
52E
62F
72G
82H
92I
102J
112K
122L
13A
23B
33C
43D
53E
63F
73G
83H
93I
103J
113K
123L

NCS domain segments:

Component-ID: 1 / Refine code: 2

Dom-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11GLUGLUPHEPHEAA4 - 1304 - 130
21GLUGLUPHEPHEBB4 - 1304 - 130
31GLUGLUPHEPHECC4 - 1304 - 130
41GLUGLUPHEPHEDD4 - 1304 - 130
51GLUGLUPHEPHEEE4 - 1304 - 130
61GLUGLUPHEPHEFF4 - 1304 - 130
71GLUGLUPHEPHEGG4 - 1304 - 130
81GLUGLUPHEPHEHH4 - 1304 - 130
91GLUGLUPHEPHEII4 - 1304 - 130
101GLUGLUPHEPHEJJ4 - 1304 - 130
111GLUGLUPHEPHEKK4 - 1304 - 130
121GLUGLUPHEPHELL4 - 1304 - 130
12ALAALALEULEUAA133 - 140133 - 140
22ALAALALEULEUBB133 - 140133 - 140
32ALAALALEULEUCC133 - 140133 - 140
42ALAALALEULEUDD133 - 140133 - 140
52ALAALALEULEUEE133 - 140133 - 140
62ALAALALEULEUFF133 - 140133 - 140
72ALAALALEULEUGG133 - 140133 - 140
82ALAALALEULEUHH133 - 140133 - 140
92ALAALALEULEUII133 - 140133 - 140
102ALAALALEULEUJJ133 - 140133 - 140
112ALAALALEULEUKK133 - 140133 - 140
122ALAALALEULEULL133 - 140133 - 140
13ARGARGLEULEUAA142 - 147142 - 147
23ARGARGLEULEUBB142 - 147142 - 147
33ARGARGLEULEUCC142 - 147142 - 147
43ARGARGLEULEUDD142 - 147142 - 147
53ARGARGLEULEUEE142 - 147142 - 147
63ARGARGLEULEUFF142 - 147142 - 147
73ARGARGLEULEUGG142 - 147142 - 147
83ARGARGLEULEUHH142 - 147142 - 147
93ARGARGLEULEUII142 - 147142 - 147
103ARGARGLEULEUJJ142 - 147142 - 147
113ARGARGLEULEUKK142 - 147142 - 147
123ARGARGLEULEULL142 - 147142 - 147

NCS ensembles :
ID
1
2
3

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Components

#1: Protein
Leukotriene C4 synthase / Leukotriene-C4 / synthase / LTC4 synthase


Mass: 17411.539 Da / Num. of mol.: 12
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: pESP-3 / Production host: Schizosaccharomyces pombe (fission yeast) / References: UniProt: Q16873, leukotriene-C4 synthase
#2: Chemical
ChemComp-GSH / GLUTATHIONE


Mass: 307.323 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: C10H17N3O6S
#3: Sugar...
ChemComp-LMT / DODECYL-BETA-D-MALTOSIDE


Type: D-saccharide / Mass: 510.615 Da / Num. of mol.: 57 / Source method: obtained synthetically / Formula: C24H46O11 / Comment: detergent*YM

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 2

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Sample preparation

CrystalDensity Matthews: 4.26 Å3/Da / Density % sol: 71.16 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: 0.1M Hepes/NaOH, 30%(v/v) PEG400, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

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Data collection

Diffraction
IDMean temperature (K)Crystal-ID
11001
21001
1,21
Diffraction source
SourceSiteBeamlineIDWavelength (Å)
SYNCHROTRONSPring-8 BL44B211
SYNCHROTRONSPring-8 BL44B220.97904, 0.97949, 0.96423, 0.99519
Detector
TypeIDDetectorDate
ADSC QUANTUM 2101CCDOct 4, 2006
ADSC QUANTUM 2102CCDNov 13, 2006
Radiation
IDProtocolMonochromatic (M) / Laue (L)Scattering typeWavelength-ID
1SINGLE WAVELENGTHMx-ray1
2MADMx-ray2
Radiation wavelength
IDWavelength (Å)Relative weight
111
20.979041
30.979491
40.964231
50.995191
ReflectionResolution: 3.3→50 Å / Num. obs: 54085 / % possible obs: 99.9 % / Redundancy: 7.5 % / Biso Wilson estimate: 97.2 Å2 / Rmerge(I) obs: 0.08 / Net I/σ(I): 20.3
Reflection shellResolution: 3.3→3.48 Å / Redundancy: 7.6 % / Rmerge(I) obs: 0.443 / Mean I/σ(I) obs: 4.3 / Num. unique all: 7797 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.2.0019refinement
ADSCQuantumdata collection
MOSFLMdata reduction
SCALAdata scaling
SHELXSphasing
RefinementMethod to determine structure: MAD / Resolution: 3.3→15 Å / Cor.coef. Fo:Fc: 0.927 / Cor.coef. Fo:Fc free: 0.902 / SU B: 21.07 / SU ML: 0.35 / Cross valid method: THROUGHOUT / ESU R Free: 0.458 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.25462 2675 5 %RANDOM
Rwork0.22109 ---
obs0.22281 50769 99.99 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 65.104 Å2
Baniso -1Baniso -2Baniso -3
1--0.1 Å20 Å20 Å2
2--1.55 Å20 Å2
3----1.45 Å2
Refinement stepCycle: LAST / Resolution: 3.3→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13353 0 1170 0 14523
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.02214935
X-RAY DIFFRACTIONr_angle_refined_deg0.9752.04820206
X-RAY DIFFRACTIONr_dihedral_angle_1_deg3.69651760
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.22620.682513
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.876151959
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.68515108
X-RAY DIFFRACTIONr_chiral_restr0.0610.22412
X-RAY DIFFRACTIONr_gen_planes_refined0.0020.0210606
X-RAY DIFFRACTIONr_nbd_refined0.2280.17884
X-RAY DIFFRACTIONr_nbtor_refined0.3290.210191
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1560.2459
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1840.188
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.3180.25
X-RAY DIFFRACTIONr_mcbond_it0.6591.58870
X-RAY DIFFRACTIONr_mcangle_it1.196213810
X-RAY DIFFRACTIONr_scbond_it1.67436721
X-RAY DIFFRACTIONr_scangle_it2.9074.56386
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION

Ens-IDDom-IDAuth asym-IDNumberTypeRms dev position (Å)Weight position
11A507tight positional0.050.05
12B507tight positional0.050.05
13C507tight positional0.050.05
14D507tight positional0.060.05
15E507tight positional0.050.05
16F507tight positional0.050.05
17G507tight positional0.050.05
18H507tight positional0.050.05
19I507tight positional0.050.05
110J507tight positional0.060.05
111K507tight positional0.050.05
112L507tight positional0.050.05
21A32tight positional0.030.05
22B32tight positional0.050.05
23C32tight positional0.060.05
24D32tight positional0.080.05
25E32tight positional0.070.05
26F32tight positional0.050.05
27G32tight positional0.050.05
28H32tight positional0.030.05
29I32tight positional0.030.05
210J32tight positional0.050.05
211K32tight positional0.040.05
212L32tight positional0.060.05
31A24tight positional0.030.05
32B24tight positional0.040.05
33C24tight positional0.060.05
34D24tight positional0.060.05
35E24tight positional0.040.05
36F24tight positional0.070.05
37G24tight positional0.030.05
38H24tight positional0.040.05
39I24tight positional0.040.05
310J24tight positional0.040.05
311K24tight positional0.040.05
312L24tight positional0.050.05
11A445medium positional0.450.5
12B445medium positional0.310.5
13C445medium positional0.350.5
14D445medium positional0.340.5
15E445medium positional0.340.5
16F445medium positional0.380.5
17G445medium positional0.290.5
18H445medium positional0.30.5
19I445medium positional0.320.5
110J445medium positional0.410.5
111K445medium positional0.330.5
112L445medium positional0.330.5
21A17medium positional0.610.5
22B17medium positional0.570.5
23C17medium positional1.170.5
24D17medium positional0.70.5
25E17medium positional0.670.5
26F17medium positional0.520.5
27G17medium positional0.70.5
28H17medium positional0.590.5
29I17medium positional0.590.5
210J17medium positional0.710.5
211K17medium positional0.470.5
212L17medium positional0.50.5
31A6medium positional0.080.5
32B6medium positional0.150.5
33C6medium positional0.180.5
34D6medium positional0.160.5
35E6medium positional0.110.5
36F6medium positional0.120.5
37G6medium positional0.070.5
38H6medium positional0.10.5
39I6medium positional0.080.5
310J6medium positional0.080.5
311K6medium positional0.080.5
312L6medium positional0.110.5
11A507tight thermal0.120.5
12B507tight thermal0.130.5
13C507tight thermal0.110.5
14D507tight thermal0.110.5
15E507tight thermal0.120.5
16F507tight thermal0.110.5
17G507tight thermal0.080.5
18H507tight thermal0.110.5
19I507tight thermal0.110.5
110J507tight thermal0.160.5
111K507tight thermal0.130.5
112L507tight thermal0.110.5
21A32tight thermal0.060.5
22B32tight thermal0.080.5
23C32tight thermal0.090.5
24D32tight thermal0.10.5
25E32tight thermal0.070.5
26F32tight thermal0.080.5
27G32tight thermal0.060.5
28H32tight thermal0.090.5
29I32tight thermal0.080.5
210J32tight thermal0.090.5
211K32tight thermal0.060.5
212L32tight thermal0.090.5
31A24tight thermal0.060.5
32B24tight thermal0.070.5
33C24tight thermal0.080.5
34D24tight thermal0.040.5
35E24tight thermal0.040.5
36F24tight thermal0.050.5
37G24tight thermal0.060.5
38H24tight thermal0.040.5
39I24tight thermal0.040.5
310J24tight thermal0.040.5
311K24tight thermal0.040.5
312L24tight thermal0.050.5
11A445medium thermal1.112
12B445medium thermal1.12
13C445medium thermal0.822
14D445medium thermal0.782
15E445medium thermal0.772
16F445medium thermal0.712
17G445medium thermal0.562
18H445medium thermal0.752
19I445medium thermal0.792
110J445medium thermal1.12
111K445medium thermal1.082
112L445medium thermal0.642
21A17medium thermal0.352
22B17medium thermal0.472
23C17medium thermal0.532
24D17medium thermal0.582
25E17medium thermal0.332
26F17medium thermal0.282
27G17medium thermal0.472
28H17medium thermal0.552
29I17medium thermal0.472
210J17medium thermal0.422
211K17medium thermal0.582
212L17medium thermal0.362
31A6medium thermal0.112
32B6medium thermal0.192
33C6medium thermal0.282
34D6medium thermal0.272
35E6medium thermal0.112
36F6medium thermal0.22
37G6medium thermal0.252
38H6medium thermal0.22
39I6medium thermal0.172
310J6medium thermal0.142
311K6medium thermal0.152
312L6medium thermal0.212
LS refinement shellResolution: 3.3→3.381 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.379 190 -
Rwork0.313 3577 -
obs--100 %

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