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1bp6

THYMIDYLATE SYNTHASE R23I, R179T DOUBLE MUTANT

Method: X-RAY DIFFRACTION D_max: 66.7 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1bp6
deposition_date	1998-08-13
title	THYMIDYLATE SYNTHASE R23I, R179T DOUBLE MUTANT
keywords	TRANSFERASE (METHYLTRANSFERASE), TRANSFERASE, METHYLTRANSFERASE, NUCLEOTIDE BIOSYNTHESIS; 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	21.50 Å
rg_electron	20.14 Å
i0	22206600.00
molecular_weight	36815.0 kDa
excluded_volume	46330 Å³
envelope_volume	54269 Å³
shell_volume	22373 Å³
envelope_diameter	67.6 Å
shell_rg	26.88 Å
envelope_rg	20.20 Å
shape_rg	20.12 Å
total_rg	21.08 Å
total_atoms	2607
n_residues	316
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	66.7 Å
rg_real	21.35 Å
rg_real_error	0.41 Å
i0_real	2.2210e+07
i0_real_error	3.0090e+05
rg_reciprocal	21.38 Å
i0_reciprocal	22210000.0000
total_estimate	0.9004
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	2
r_peak_primary	28.4 Å
skewness	0.102
kurtosis	-0.465
angular_range	— – 0.3700 Å⁻¹
current_alpha	0.0000
highest_alpha	3140000.0000
n_real_points	69
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.917; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.958

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	PROTEIN (THYMIDYLATE SYNTHASE)
formula_weight	36530.3 kDa
ec_number	2.1.1.45
mutation	R23I, R179T
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	2662

MLEQPYLDLAKKVLDEGHFKPDITHTGTYSIFGHQMRFDLSKGFPLLTTKKVPFGLIKSELLWFLHGDTNIRFLLQHRNHIWDEWAFEKWVKSDEYHGPDMTDFGHRSQKDPEFAAVYHEEMAKFDDRVLHDDAFAAKYGDLGLVYGSQWRAWHTSKGDTIDQLGDVIEQIKTHPYSRTLIVSAWNPEDVPTMALPPCHTLYQFYVNDGKLSLQLYQRSADIFLGVPFNIASYALLTHLVAHECGLEVGEFIHTFGDAHLYVNHLDQIKEQLSRTPRPAPTLQLNPDKHDIFDFDMKDIKLLNYDPYPAIKAPVAV

Source

organism	Lactobacillus casei
ncbi_taxonomy_id	1582
host_organism	Escherichia coli

Entity 2 non-polymer

description	POTASSIUM ION
formula_weight	39.1 kDa
src_method	syn
entity_count	1

Entity 3 non-polymer

description	;2'-DEOXYURIDINE 5'-MONOPHOSPHATE ;
formula_weight	308.2 kDa
src_method	syn
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	55

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6. Citations (4)

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length_a	78.500 Å
length_b	78.500 Å
length_c	243.400 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	120.00 °
z_pdb	12

space_group	P 61 2 2
int_tables_number	178
crystal_system	—

resolution	2.400 Å
resolution_low	7.000 Å
r_factor	0.1970
r_work	0.1970
r_free	0.2710

fit	/app/data/saxs_computation/bp/1bp6/1bp6.fit
pddf	/app/data/pr_computation/bp/1bp6/1bp6.pr.out
profile	/app/data/saxs_computation/bp/1bp6/1bp6.dat

THYMIDYLATE SYNTHASE R23I, R179T DOUBLE MUTANT

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