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1ecb

ESCHERICHIA COLI GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE (PRPP) AMIDOTRANSFERASE COMPLEXED WITH 2 GMP, 1 MG PER SUBUNIT

Method: X-RAY DIFFRACTION D_max: 123.6 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1ecb
deposition_date	1997-07-15
title	ESCHERICHIA COLI GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE (PRPP) AMIDOTRANSFERASE COMPLEXED WITH 2 GMP, 1 MG PER SUBUNIT
keywords	;TRANSFERASE, GLUTAMINE AMIDOTRANSFERASE, PURINE BIOSYNTHESIS, GLYCOSYLTRANSFERASE, GMP, GUANINE 5'-MONOPHOSPHATE ;; 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	39.92 Å
rg_electron	39.41 Å
i0	712161000.00
molecular_weight	214760.0 kDa
excluded_volume	266800 Å³
envelope_volume	340730 Å³
shell_volume	68574 Å³
envelope_diameter	129.2 Å
shell_rg	48.58 Å
envelope_rg	38.51 Å
shape_rg	39.44 Å
total_rg	39.75 Å
total_atoms	15100
n_residues	1900
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	123.6 Å
rg_real	39.76 Å
rg_real_error	0.84 Å
i0_real	7.1220e+08
i0_real_error	1.1980e+07
rg_reciprocal	39.92 Å
i0_reciprocal	712300000.0000
total_estimate	0.9065
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	1
r_peak_primary	49.4 Å
skewness	0.100
kurtosis	-0.684
angular_range	— – 0.2000 Å⁻¹
current_alpha	0.0000
highest_alpha	343600000.0000
n_real_points	41
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.951; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.933

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE AMIDOTRANSFERASE
formula_weight	56422.7 kDa
ec_number	2.4.2.14
src_method	man
entity_count	4

Polymer

type	polypeptide(L)
strand_id	A,B,C,D
atom_count	15139

CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGLVSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAHNGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEADNIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDENRTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSNPCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIPIPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKLNANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIRFPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAENPDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQNEVENLEMHNEG

Source

organism	Escherichia coli
ncbi_taxonomy_id	562
host_organism	Escherichia coli BL21(DE3)

Entity 2 non-polymer

description	MAGNESIUM ION
formula_weight	24.3 kDa
src_method	syn
entity_count	4

Entity 3 non-polymer

description	GUANOSINE-5'-MONOPHOSPHATE
formula_weight	363.2 kDa
src_method	syn
entity_count	8

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	39

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6. Citations (1)

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length_a	95.800 Å
length_b	113.200 Å
length_c	199.600 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	16

space_group	P 21 21 21
int_tables_number	19
crystal_system	—

resolution	2.700 Å
resolution_low	15.000 Å
r_factor	0.2080
r_work	0.2080
r_free	0.2910

fit	/app/data/saxs_computation/ec/1ecb/1ecb.fit
pddf	/app/data/pr_computation/ec/1ecb/1ecb.pr.out
profile	/app/data/saxs_computation/ec/1ecb/1ecb.dat

ESCHERICHIA COLI GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE (PRPP) AMIDOTRANSFERASE COMPLEXED WITH 2 GMP, 1 MG PER SUBUNIT

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