PDB-2v9p: Crystal structure of papillomavirus E1 hexameric helicase DNA-fre...

ID or keywords:

Entry

Database: PDB / ID: 2v9p

Title

Crystal structure of papillomavirus E1 hexameric helicase DNA-free form

Components

REPLICATION PROTEIN E1

Keywords

HYDROLASE / AAA+ MOLECULAR MOTOR / DNA REPLICATION / DNA TRANSLOCATION / NUCLEOTIDE-BINDING / DNA-BINDING / REPLICATION / EARLY PROTEIN / ATPASE / NUCLEUS / HELICASE / ATP-BINDING

Function / homology

Function and homology information

DNA 3'-5' helicase / DNA helicase activity / DNA replication / host cell nucleus / ATP hydrolysis activity / DNA binding / ATP binding
Similarity search - Function

Biological species

BOVINE PAPILLOMAVIRUS TYPE 1

Method

X-RAY DIFFRACTION /

SYNCHROTRON /

MOLECULAR REPLACEMENT / Resolution: 3 Å

Authors

Sanders, C.M. / Kovalevskiy, O.V. / Sizov, D. / Lebedev, A.A. / Isupov, M.N. / Antson, A.A.

Citation

Journal: Nucleic Acids Res. / Year: 2007
Title: Papillomavirus E1 Helicase Assembly Maintains an Asymmetric State in the Absence of DNA and Nucleotide Cofactors.
Authors: Sanders, C.M. / Kovalevskiy, O.V. / Sizov, D. / Lebedev, A.A. / Isupov, M.N. / Antson, A.A.

History

Deposition	Aug 24, 2007	Deposition site: PDBE / Processing site: PDBE
Revision 1.0	Oct 2, 2007	Provider: repository / Type: Initial release
Revision 1.1	Jul 13, 2011	Group: Advisory / Refinement description / Version format compliance
Revision 1.2	Dec 13, 2023	Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id

Structure viewer	Molecule: MolmilJmol/JSmol

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Download

PDBx/mmCIF format	2v9p.cif.gz	627.3 KB	Display	PDBx/mmCIF format
PDB format	pdb2v9p.ent.gz	518.2 KB	Display	PDB format
PDBx/mmJSON format	2v9p.json.gz		Tree view	PDBx/mmJSON format
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Validation report

Summary document	2v9p_validation.pdf.gz	566.4 KB	Display	wwPDB validaton report
Full document	2v9p_full_validation.pdf.gz	625.7 KB	Display
Data in XML	2v9p_validation.xml.gz	109 KB	Display
Data in CIF	2v9p_validation.cif.gz	144.4 KB	Display
Arichive directory	https://data.pdbj.org/pub/pdb/validation_reports/v9/2v9p ftp://data.pdbj.org/pub/pdb/validation_reports/v9/2v9p	HTTPS FTP

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Related structure data

Related structure data	2gxaS 1f08 1ksx 1ksy S: Starting model for refinement
Similar structure data	5a9k-d 2gxa-1 2gxa-2 3sip-1 3a5v-1 1hrd-d 1ngk-d 20447 Search similar-shape structures by Omokage search (details) Search similar-shape structures by Omokage search (details) Search similar-shape structures by Omokage search (details) Similarity search - Function & homologyF&H Search Similarity search - FunctionF&H Search Similarity search - HomologyF&H Search

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Links

PDB pages	PDBj / wwPDB / NCBI
Related items in Molecule of the Month	#47 - Nov 2003 Simian Virus 40 similarity (2) #80 - Aug 2006 AAA+ Proteases similarity (2)

Deposited unit

A: REPLICATION PROTEIN E1

B: REPLICATION PROTEIN E1

C: REPLICATION PROTEIN E1

D: REPLICATION PROTEIN E1

E: REPLICATION PROTEIN E1

F: REPLICATION PROTEIN E1

G: REPLICATION PROTEIN E1

H: REPLICATION PROTEIN E1

I: REPLICATION PROTEIN E1

J: REPLICATION PROTEIN E1

K: REPLICATION PROTEIN E1

L: REPLICATION PROTEIN E1

hetero molecules

418 kDa, 12 polymers
Search similar-shape structures of this assembly by Omokage search (details)

1

A: REPLICATION PROTEIN E1

B: REPLICATION PROTEIN E1

C: REPLICATION PROTEIN E1

D: REPLICATION PROTEIN E1

E: REPLICATION PROTEIN E1

F: REPLICATION PROTEIN E1

hetero molecules

defined by author&software
209 kDa, 6 polymers
Search similar-shape structures of this assembly by Omokage search (details)

2

G: REPLICATION PROTEIN E1

H: REPLICATION PROTEIN E1

I: REPLICATION PROTEIN E1

J: REPLICATION PROTEIN E1

K: REPLICATION PROTEIN E1

L: REPLICATION PROTEIN E1

hetero molecules

defined by author&software
209 kDa, 6 polymers
Search similar-shape structures of this assembly by Omokage search (details)

Unit cell

Length a, b, c (Å)	135.111, 180.649, 187.533
Angle α, β, γ (deg.)	90.00, 90.00, 90.00
Int Tables number	19
Space group name H-M	P2₁2₁2₁

Noncrystallographic symmetry (NCS)

NCS domain:
NCS domain segments:

Dom-ID	Component-ID	Ens-ID	Refine code	Auth asym-ID	Auth seq-ID
1	1	1	2	B	308 - 375
2	1	1	2	C	308 - 375
3	1	1	2	D	308 - 375
4	1	1	2	H	308 - 375
5	1	1	2	I	308 - 375
6	1	1	2	J	308 - 375
1	2	1	2	B	378 - 492
2	2	1	2	C	378 - 492
3	2	1	2	D	378 - 492
4	2	1	2	H	378 - 492
5	2	1	2	I	378 - 492
6	2	1	2	J	378 - 492
1	3	1	2	B	517 - 545
2	3	1	2	C	517 - 545
3	3	1	2	D	517 - 545
4	3	1	2	H	517 - 545
5	3	1	2	I	517 - 545
6	3	1	2	J	517 - 545
1	4	1	2	B	559 - 572
2	4	1	2	C	559 - 572
3	4	1	2	D	559 - 572
4	4	1	2	H	559 - 572
5	4	1	2	I	559 - 572
6	4	1	2	J	559 - 572
1	1	2	2	E	308 - 375
2	1	2	2	K	308 - 375
1	2	2	2	E	378 - 492
2	2	2	2	K	378 - 492
1	3	2	2	E	517 - 545
2	3	2	2	K	517 - 545
1	4	2	2	E	559 - 572
2	4	2	2	K	559 - 572
1	1	3	2	F	308 - 375
2	1	3	2	L	308 - 375
1	2	3	2	F	378 - 492
2	2	3	2	L	378 - 492
1	3	3	2	F	517 - 545
2	3	3	2	L	517 - 545
1	4	3	2	F	559 - 572
2	4	3	2	L	559 - 572
1	1	4	2	A	308 - 375
2	1	4	2	G	308 - 375
1	2	4	2	A	378 - 492
2	2	4	2	G	378 - 492
1	3	4	2	A	517 - 545
2	3	4	2	G	517 - 545
1	4	4	2	A	559 - 572
2	4	4	2	G	559 - 572
1	1	5	1	A	1580 - 1582
2	1	5	1	B	1579 - 1581
3	1	5	1	C	1579 - 1581
4	1	5	1	G	1579 - 1581
5	1	5	1	H	1579 - 1581
6	1	5	1	I	1580 - 1582
1	1	6	1	D	1580
2	1	6	1	E	1579
3	1	6	1	F	1580
4	1	6	1	J	1578
5	1	6	1	K	1580
6	1	6	1	L	1579

NCS ensembles :

ID
1
2
3
4
5
6

#1: Protein	REPLICATION PROTEIN E1 / ATP-DEPENDENT HELICASE E1 / E1 HELICASE Mass: 34645.016 Da / Num. of mol.: 12 / Fragment: HELICASE DOMAIN, RESIDUES 301-605 Source method: isolated from a genetically manipulated source Source: (gene. exp.) BOVINE PAPILLOMAVIRUS TYPE 1 / Strain: BPV-1 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) References: UniProt: P03116, Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides
#2: Chemical	ChemComp-PO4 / PHOSPHATE ION Mass: 94.971 Da / Num. of mol.: 18 / Source method: obtained synthetically / Formula: PO₄
#3: Chemical	ChemComp-MG / MAGNESIUM ION Mass: 24.305 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Mg
#4: Water	ChemComp-HOH / water Mass: 18.015 Da / Num. of mol.: 35 / Source method: isolated from a natural source / Formula: H₂O

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Experiment

Experiment	Method: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

Crystal	Density Matthews: 2.8 Å³/Da / Density % sol: 55 % / Description: NONE
Crystal grow	pH: 7.5 / Details: K-PHOSPHATE PH 7.5, NACL, PEG3350, MES PH 7.5

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Data collection

Diffraction	Mean temperature: 100 K
Diffraction source	Source: SYNCHROTRON / Site: ESRF / Beamline: BM14 / Wavelength: 1.00806
Detector	Type: MARRESEARCH / Detector: CCD / Date: Nov 26, 2004
Radiation	Monochromator: SI 111 CHANNEL CUT / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength	Wavelength: 1.00806 Å / Relative weight: 1
Reflection	Resolution: 3→25 Å / Num. obs: 86088 / % possible obs: 94 % / Observed criterion σ(I): 0 / Redundancy: 4.8 % / B_iso Wilson estimate: 67 Å² / R_merge(I) obs: 0.11 / Net I/σ(I): 13.5
Reflection shell	Resolution: 3→3.11 Å / Redundancy: 3.5 % / R_merge(I) obs: 0.51 / Mean I/σ(I) obs: 2.4 / % possible all: 73

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Processing

Software

Name	Version	Classification
REFMAC	5.3.0037	refinement
DENZO		data reduction
SCALEPACK		data scaling
MOLREP		phasing

Refinement

Method to determine structure:

MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2GXA

2gxa

Resolution: 3→24.95 Å / Cor.coef. F_o:F_c: 0.939 / Cor.coef. F_o:F_c free: 0.904 / SU B: 48.189 / SU ML: 0.385 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R Free: 0.461 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.

	R_factor	Num. reflection	% reflection	Selection details
R_free	0.271	853	1 %	RANDOM
R_work	0.219	-	-	-
obs	0.219	85189	93.4 %	-

Solvent computation

Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK

Displacement parameters

B_iso mean: 77.51 Å²

	B_aniso -1	B_aniso -2	B_aniso -3
1-	6.93 Å²	0 Å²	0 Å²
2-	-	-4.97 Å²	0 Å²
3-	-	-	-1.96 Å²

Refinement step

Cycle: LAST / Resolution: 3→24.95 Å

	Protein	Nucleic acid	Ligand	Solvent	Total
Num. atoms	25948	0	96	35	26079

Refine LS restraints

Refine-ID	Type	Dev ideal	Dev ideal target	Number
X-RAY DIFFRACTION	r_bond_refined_d	0.01	0.022	26704
X-RAY DIFFRACTION	r_bond_other_d
X-RAY DIFFRACTION	r_angle_refined_deg	1.185	1.932	36202
X-RAY DIFFRACTION	r_angle_other_deg
X-RAY DIFFRACTION	r_dihedral_angle_1_deg	5.598	5	3200
X-RAY DIFFRACTION	r_dihedral_angle_2_deg	37.948	23.226	1240
X-RAY DIFFRACTION	r_dihedral_angle_3_deg	19.969	15	4354
X-RAY DIFFRACTION	r_dihedral_angle_4_deg	17.986	15	156
X-RAY DIFFRACTION	r_chiral_restr	0.085	0.2	3926
X-RAY DIFFRACTION	r_gen_planes_refined	0.003	0.02	20188
X-RAY DIFFRACTION	r_gen_planes_other
X-RAY DIFFRACTION	r_nbd_refined	0.22	0.2	12390
X-RAY DIFFRACTION	r_nbd_other
X-RAY DIFFRACTION	r_nbtor_refined	0.314	0.2	18320
X-RAY DIFFRACTION	r_nbtor_other
X-RAY DIFFRACTION	r_xyhbond_nbd_refined	0.145	0.2	816
X-RAY DIFFRACTION	r_xyhbond_nbd_other
X-RAY DIFFRACTION	r_metal_ion_refined
X-RAY DIFFRACTION	r_metal_ion_other
X-RAY DIFFRACTION	r_symmetry_vdw_refined	0.232	0.2	102
X-RAY DIFFRACTION	r_symmetry_vdw_other
X-RAY DIFFRACTION	r_symmetry_hbond_refined	0.139	0.2	7
X-RAY DIFFRACTION	r_symmetry_hbond_other
X-RAY DIFFRACTION	r_symmetry_metal_ion_refined
X-RAY DIFFRACTION	r_symmetry_metal_ion_other
X-RAY DIFFRACTION	r_mcbond_it	0.512	1.5	16339
X-RAY DIFFRACTION	r_mcbond_other
X-RAY DIFFRACTION	r_mcangle_it	1.01	3	25797
X-RAY DIFFRACTION	r_mcangle_other
X-RAY DIFFRACTION	r_scbond_it	1.559	4	11835
X-RAY DIFFRACTION	r_scbond_other
X-RAY DIFFRACTION	r_scangle_it	2.731	8	10405
X-RAY DIFFRACTION	r_scangle_other
X-RAY DIFFRACTION	r_long_range_B_refined
X-RAY DIFFRACTION	r_long_range_B_other
X-RAY DIFFRACTION	r_rigid_bond_restr
X-RAY DIFFRACTION	r_sphericity_free
X-RAY DIFFRACTION	r_sphericity_bonded

Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION

Ens-ID	Dom-ID	Auth asym-ID	Number	Type	Rms dev position (Å)	Weight position
1	1	B	896	tight positional	0.11	0.1
1	2	C	896	tight positional	0.07	0
1	3	D	896	tight positional	0.11	0
1	4	H	896	tight positional	0.08	0
1	5	I	896	tight positional	0.14	0
1	6	J	896	tight positional	0.14	0
2	1	E	896	tight positional	0.08	0.1
2	2	K	896	tight positional	0.08	0.1
3	1	F	896	tight positional	0.1	0.1
3	2	L	896	tight positional	0.1	0.1
4	1	A	896	tight positional	0.08	0.1
4	2	G	896	tight positional	0.08	0.1
5	1	A	11	tight positional	0.41	0.1
5	2	B	11	tight positional	0.26	0.01
5	3	C	11	tight positional	1.11	0
5	4	G	11	tight positional	0.25	0
5	5	H	11	tight positional	0.26	0
5	6	I	11	tight positional	0.26	0
6	1	D	5	tight positional	0.02	0.1
6	2	E	5	tight positional	0.02	0.02
6	3	F	5	tight positional	0.01	0
6	4	J	5	tight positional	0.02	0
6	5	K	5	tight positional	0.01	0
6	6	L	5	tight positional	0.02	0
1	1	B	913	medium positional	0.24	0.3
1	2	C	913	medium positional	0.23	0
1	3	D	913	medium positional	0.24	0
1	4	H	913	medium positional	0.27	0
1	5	I	913	medium positional	0.24	0
1	6	J	913	medium positional	0.27	0
2	1	E	917	medium positional	0.2	0.3
2	2	K	917	medium positional	0.2	0.3
3	1	F	913	medium positional	0.24	0.3
3	2	L	913	medium positional	0.24	0.3
4	1	A	913	medium positional	0.19	0.3
4	2	G	913	medium positional	0.19	0.3
1	1	B	896	tight thermal	0.77	5
1	2	C	896	tight thermal	0.75	0.01
1	3	D	896	tight thermal	0.62	0
1	4	H	896	tight thermal	0.85	0
1	5	I	896	tight thermal	0.86	0
1	6	J	896	tight thermal	0.7	0
2	1	E	896	tight thermal	0.61	5
2	2	K	896	tight thermal	0.61	5
3	1	F	896	tight thermal	1.21	5
3	2	L	896	tight thermal	1.21	5
4	1	A	896	tight thermal	0.73	5
4	2	G	896	tight thermal	0.73	5
5	1	A	11	tight thermal	3.38	5
5	2	B	11	tight thermal	3.65	0.45
5	3	C	11	tight thermal	3.7	0.04
5	4	G	11	tight thermal	1.41	0
5	5	H	11	tight thermal	1.23	0
5	6	I	11	tight thermal	1.92	0
6	1	D	5	tight thermal	0.73	5
6	2	E	5	tight thermal	0.9	1
6	3	F	5	tight thermal	3.54	0.2
6	4	J	5	tight thermal	4.89	0.04
6	5	K	5	tight thermal	1.24	0.01
6	6	L	5	tight thermal	7.66	0
1	1	B	913	medium thermal	1.24	10
1	2	C	913	medium thermal	1.21	0.01
1	3	D	913	medium thermal	1.18	0
1	4	H	913	medium thermal	1.33	0
1	5	I	913	medium thermal	1.49	0
1	6	J	913	medium thermal	1.35	0
2	1	E	917	medium thermal	1.06	10
2	2	K	917	medium thermal	1.06	10
3	1	F	913	medium thermal	1.53	10
3	2	L	913	medium thermal	1.53	10
4	1	A	913	medium thermal	1.11	10
4	2	G	913	medium thermal	1.11	10

LS refinement shell

Resolution: 3→3.08 Å / Total num. of bins used: 20 /

	R_factor	Num. reflection
R_free	0.337	35
R_work	0.329	4228

Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

ID	L11 (°²)	L12 (°²)	L13 (°²)	L22 (°²)	L23 (°²)	L33 (°²)	S11 (Å °)	S12 (Å °)	S13 (Å °)	S21 (Å °)	S22 (Å °)	S23 (Å °)	S31 (Å °)	S32 (Å °)	S33 (Å °)	T11 (Å²)	T12 (Å²)	T13 (Å²)	T22 (Å²)	T23 (Å²)	T33 (Å²)	Origin x (Å)	Origin y (Å)	Origin z (Å)
1	3.9681	1.5223	0.6227	2.0582	0.7563	1.1916	-0.1858	0.0387	0.0364	-0.3459	0.0976	-0.0463	0.1261	0.0286	0.0882	0.0254	0.0006	0.0154	-0.2963	0.0213	-0.1607	14.0344	49.0812	46.9625
2	2.9301	0.7213	-0.3068	2.2638	-0.282	2.5379	0.0594	-0.1565	-0.1233	0.2218	-0.0072	-0.1	0.6607	-0.266	-0.0522	-0.109	-0.0943	-0.039	-0.2147	0.0724	-0.2519	14.6476	50.9318	74.5373
3	1.047	0.0491	-0.6641	1.7563	-0.5247	2.4549	-0.0209	-0.1688	0.0792	0.7632	0.026	-0.1118	-0.2157	-0.0195	-0.0051	-0.0107	0.0131	-0.0484	-0.1719	-0.0029	-0.2827	14.8349	75.232	87.3272
4	2.5164	-0.7014	-0.6874	2.3635	0.0517	1.9955	-0.1299	-0.0539	0.3824	0.6459	0.2466	-0.0803	-0.5726	-0.0748	-0.1167	0.1356	0.0589	-0.0493	-0.2103	-0.0095	-0.2153	13.6881	99.2419	73.0025
5	2.7881	-1.391	0.1179	2.4695	-0.1961	1.1115	0.1119	0.1409	0.1849	-0.0799	-0.0963	-0.1355	-0.2809	-0.0681	-0.0155	-0.1692	-0.0334	0.032	-0.2799	0.023	-0.1712	13.2779	99.0725	44.2374
6	3.9041	-1.2632	1.0956	1.5903	-1.0024	1.8574	0.0142	0.1556	-0.2498	-0.0087	-0.0045	0.0844	0.064	0.0185	-0.0097	-0.191	-0.0239	0.0443	-0.3012	-0.0406	-0.1679	12.558	73.2658	30.7087
7	4.485	2.3061	1.1894	1.8941	0.7727	1.3546	-0.1571	0.1985	0.1455	-0.2381	0.1504	0.0221	0.2114	0.1341	0.0067	-0.1697	0.0111	0.1094	-0.2121	0.0104	-0.1482	83.6651	64.0378	47.1363
8	2.4122	0.4572	-0.4904	2.4287	0.1131	2.109	-0.2633	-0.1314	-0.1349	0.3023	0.1437	-0.0203	0.7847	-0.168	0.1196	-0.1256	0.0102	0.0559	-0.198	0.0491	-0.2975	83.8256	66.099	74.5604
9	1.4916	0.0614	-0.7901	1.6712	-0.3602	2.0495	-0.17	-0.144	0.1313	0.4426	0.1006	-0.1756	0.1265	0.0138	0.0693	-0.3631	0.0881	-0.0839	-0.1011	-0.0192	-0.2905	81.9671	90.438	87.4469
10	2.7402	-0.669	-0.7604	2.0822	-0.0804	2.2189	-0.0748	-0.0237	0.3651	0.2236	0.159	-0.1759	-0.4806	-0.1338	-0.0842	-0.2657	0.0793	-0.0986	-0.185	-0.0327	-0.1763	79.1736	114.1187	72.7144
11	1.9411	-1.0776	-0.1119	2.5497	-0.1271	0.8705	0.142	0.0859	0.1047	-0.384	-0.0978	-0.0464	-0.1013	-0.0241	-0.0442	-0.0917	0.0585	-0.0433	-0.2213	0.0197	-0.1718	78.8727	113.7664	44.309
12	3.431	-0.9198	1.1335	1.8	-0.8967	1.6919	0.0795	0.1505	-0.2098	-0.5421	-0.064	0.2716	0.1386	-0.0706	-0.0155	0.2987	0.0565	-0.0769	-0.199	-0.0359	-0.1697	79.7179	87.8748	30.9285

Refinement TLS group

ID	Refine-ID	Refine TLS-ID	Auth asym-ID	Auth seq-ID
1	X-RAY DIFFRACTION	1	A	301 - 579
2	X-RAY DIFFRACTION	2	B	301 - 578
3	X-RAY DIFFRACTION	3	C	301 - 578
4	X-RAY DIFFRACTION	4	D	301 - 579
5	X-RAY DIFFRACTION	5	E	301 - 578
6	X-RAY DIFFRACTION	6	F	301 - 579
7	X-RAY DIFFRACTION	7	G	301 - 578
8	X-RAY DIFFRACTION	8	H	301 - 578
9	X-RAY DIFFRACTION	9	I	301 - 579
10	X-RAY DIFFRACTION	10	J	301 - 577
11	X-RAY DIFFRACTION	11	K	301 - 579
12	X-RAY DIFFRACTION	12	L	301 - 578

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