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1cr2

CRYSTAL STRUCTURE OF THE HELICASE DOMAIN OF THE GENE 4 PROTEIN OF BACTERIOPHAGE T7: COMPLEX WITH DATP

Method: X-RAY DIFFRACTION D_max: 77.7 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1cr2
deposition_date	1999-08-12
title	CRYSTAL STRUCTURE OF THE HELICASE DOMAIN OF THE GENE 4 PROTEIN OF BACTERIOPHAGE T7: COMPLEX WITH DATP
keywords	RECA-TYPE PROTEIN FOLD, TRANSFERASE; TRANSFERASE
method	X-RAY DIFFRACTION

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Download Data

SAXS curve (.dat) P(r) distribution (.pr.out) Structure (CIF)

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2. SAXS Parameters (CRYSOL)

rg_guinier	19.87 Å
rg_electron	18.70 Å
i0	13668900.00
molecular_weight	26818.0 kDa
excluded_volume	33298 Å³
envelope_volume	39938 Å³
shell_volume	18337 Å³
envelope_diameter	79.4 Å
shell_rg	24.81 Å
envelope_rg	19.48 Å
shape_rg	18.69 Å
total_rg	19.65 Å
total_atoms	1872
n_residues	239
n_harmonics	20
q_range	— – 0.5000 Å⁻¹
n_points	101
shell_type	directional
solvent_density	0.3340 e/Å³
contrast_shell	0.0300 e/Å³
crysol_version	4.1.3

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3. P(r) Analysis (GNOM)

dmax	77.7 Å
rg_real	19.89 Å
rg_real_error	0.67 Å
i0_real	1.3670e+07
i0_real_error	1.8930e+05
rg_reciprocal	19.89 Å
i0_reciprocal	13670000.0000
total_estimate	0.7805
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	24.1 Å
skewness	0.482
kurtosis	0.259
angular_range	— – 0.4000 Å⁻¹
current_alpha	0.0001
highest_alpha	1996000.0000
n_real_points	72
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.453; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.790; Smooth: 0.992

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	DNA PRIMASE/HELICASE
formula_weight	32832.0 kDa
ec_number	2.7.7.-
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	1921

MRERIREHLSSEESVGLLFSGCTGINDKTLGARGGEVIMVTSGSGMGKSTFVRQQALQWGTAMGKKVGLAMLEESVEETAEDLIGLHNRVRLRQSDSLKREIIENGKFDQWFDELFGNDTFHLYDSFAEAETDRLLAKLAYMRSGLGCDVIILDHISIVVSASGESDERKMIDNLMTKLKGFAKSTGVVLVVICHLKNPDKGKAHEEGRPVSITDLRGSGALRQLSDTIIALERNQQGDMPNLVLVRILKCRFTGDTGIAGYMEYNKETGWLEPSSYSGEEESHSESTDWSNDTDF

Source

organism	Enterobacteria phage T7
ncbi_taxonomy_id	10760
host_organism	Escherichia coli

Entity 2 non-polymer

description	SULFATE ION
formula_weight	96.1 kDa
src_method	syn
entity_count	2

Entity 3 non-polymer

description	;2'-DEOXYADENOSINE 5'-TRIPHOSPHATE ;
formula_weight	491.2 kDa
src_method	syn
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	49

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6. Citations (1)

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length_a	80.172 Å
length_b	80.172 Å
length_c	85.709 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	120.00 °
z_pdb	6

space_group	P 61
int_tables_number	169
crystal_system	—

resolution	2.300 Å
resolution_low	20.000 Å
r_factor	0.2500
r_work	0.2450
r_free	0.2960

fit	/app/data/saxs_computation/cr/1cr2/1cr2.fit
pddf	/app/data/pr_computation/cr/1cr2/1cr2.pr.out
profile	/app/data/saxs_computation/cr/1cr2/1cr2.dat

CRYSTAL STRUCTURE OF THE HELICASE DOMAIN OF THE GENE 4 PROTEIN OF BACTERIOPHAGE T7: COMPLEX WITH DATP

SAXS Profile

P(r) Distribution

1. Structure Basics

Download Data

2. SAXS Parameters (CRYSOL)

3. P(r) Analysis (GNOM)

4. Crystallography & Experiment

Unit Cell

Symmetry

Refinement

Diffraction