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1cr1

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

Method: X-RAY DIFFRACTION D_max: 51.3 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1cr1
deposition_date	1999-08-12
title	CRYSTAL STRUCTURE OF THE HELICASE DOMAIN OF THE GENE 4 PROTEIN OF BACTERIOPHAGE T7: COMPLEX WITH DTTP
keywords	RECA-TYPE 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	19.73 Å
rg_electron	18.61 Å
i0	14373000.00
molecular_weight	27572.0 kDa
excluded_volume	34183 Å³
envelope_volume	40483 Å³
shell_volume	18598 Å³
envelope_diameter	76.6 Å
shell_rg	24.71 Å
envelope_rg	19.25 Å
shape_rg	18.61 Å
total_rg	19.48 Å
total_atoms	1924
n_residues	245
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	51.3 Å
rg_real	18.77 Å
rg_real_error	0.05 Å
i0_real	1.3650e+07
i0_real_error	1.1020e+05
rg_reciprocal	19.73 Å
i0_reciprocal	14370000.0000
total_estimate	0.6828
solution_quality	REASONABLE a REASONABLE solution
n_peaks	1
r_peak_primary	23.1 Å
skewness	0.170
kurtosis	-0.412
angular_range	— – 0.4050 Å⁻¹
current_alpha	3.9260
highest_alpha	1625000.0000
n_real_points	72
gnom_version	4.1.3
quality_criteria	AN1: 0.002; Oscil: 0.992; Stabil: 0.972; Sysdev: 0.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.000

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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	1970

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	THYMIDINE-5'-TRIPHOSPHATE
formula_weight	482.2 kDa
src_method	syn
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	46

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6. Citations (1)

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length_a	80.653 Å
length_b	80.653 Å
length_c	86.042 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	0.2390
r_work	0.2350
r_free	0.2880

fit	/app/data/saxs_computation/cr/1cr1/1cr1.fit
pddf	/app/data/pr_computation/cr/1cr1/1cr1.pr.out
profile	/app/data/saxs_computation/cr/1cr1/1cr1.dat

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

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