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1c23

E. COLI METHIONINE AMINOPEPTIDASE: METHIONINE PHOSPHONATE COMPLEX

Method: X-RAY DIFFRACTION D_max: 55.6 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1c23
deposition_date	1999-07-22
title	E. COLI METHIONINE AMINOPEPTIDASE: METHIONINE PHOSPHONATE COMPLEX
keywords	PRODUCT COMPLEX, HYDROLASE; HYDROLASE
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	18.11 Å
rg_electron	17.15 Å
i0	14754500.00
molecular_weight	28617.0 kDa
excluded_volume	35595 Å³
envelope_volume	39188 Å³
shell_volume	18633 Å³
envelope_diameter	55.6 Å
shell_rg	23.85 Å
envelope_rg	17.45 Å
shape_rg	17.19 Å
total_rg	17.98 Å
total_atoms	1996
n_residues	262
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	55.6 Å
rg_real	17.97 Å
rg_real_error	0.27 Å
i0_real	1.4750e+07
i0_real_error	1.8560e+05
rg_reciprocal	17.99 Å
i0_reciprocal	14750000.0000
total_estimate	0.8947
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	22.6 Å
skewness	0.154
kurtosis	-0.431
angular_range	— – 0.4400 Å⁻¹
current_alpha	0.0000
highest_alpha	3704000.0000
n_real_points	75
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.908; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.923

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4. Crystallography & Experiment

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5. Entities & Polymer Info (5)

Entity 1 polymer

description	METHIONINE AMINOPEPTIDASE
formula_weight	29210.6 kDa
ec_number	3.4.11.18
mutation	R175Q
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	2092

AISIKTPEDIEKMRVAGRLAAEVLEMIEPYVKPGVSTGELDRICNDYIVNEQHAVSACLGYHGYPKSVCISINEVVCHGIPDDAKLLKDGDIVNIDVTVIKDGFHGDTSKMFIVGKPTIMGERLCRITQESLYLALRMVKPGINLREIGAAIQKFVEAEGFSVVREYCGHGIGQGFHEEPQVLHYDSRETNVVLKPGMTFTIEPMVNAGKKEIRTMKDGWTVKTKDRSLSAQYEHTIVVTDNGCEILTLRKDDTIPAIISHDE

Source

organism	Escherichia coli
ncbi_taxonomy_id	562
host_organism	Escherichia coli

Entity 2 non-polymer

description	COBALT (II) ION
formula_weight	58.9 kDa
src_method	syn
entity_count	2

Entity 3 non-polymer

description	SODIUM ION
formula_weight	23.0 kDa
src_method	syn
entity_count	1

Entity 4 non-polymer

description	(1-AMINO-3-METHYLSULFANYL-PROPYL)-PHOSPHONIC ACID
formula_weight	185.2 kDa
src_method	syn
entity_count	1

Entity 5 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	96

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6. Citations (1)

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length_a	39.221 Å
length_b	67.518 Å
length_c	48.823 Å
angle_alpha	90.00 °
angle_beta	111.20 °
angle_gamma	90.00 °
z_pdb	2

space_group	P 1 21 1
int_tables_number	4
crystal_system	—

resolution	2.000 Å
resolution_low	32.200 Å
r_factor	—
r_work	—
r_free	—

fit	/app/data/saxs_computation/c2/1c23/1c23.fit
pddf	/app/data/pr_computation/c2/1c23/1c23.pr.out
profile	/app/data/saxs_computation/c2/1c23/1c23.dat