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1c1q

RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES

Method: X-RAY DIFFRACTION D_max: 50.7 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1c1q
deposition_date	1999-07-21
title	RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES
keywords	;ZN(II)-MEDIATED SERINE PROTEASE INHIBITORS, PH DEPENDENCE, ZN(II) AFFINITY STUCTURE-BASED DRUG DESIGN, SERINE PROTEASE SERINE PROTEASE/INHIBITOR, HYDROLASE-HYDROLASE INHIBITOR COMPLEX ;; HYDROLASE/HYDROLASE INHIBITOR
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	17.22 Å
rg_electron	16.08 Å
i0	10880200.00
molecular_weight	23645.0 kDa
excluded_volume	29174 Å³
envelope_volume	32001 Å³
shell_volume	16433 Å³
envelope_diameter	54.1 Å
shell_rg	22.42 Å
envelope_rg	16.32 Å
shape_rg	16.06 Å
total_rg	17.10 Å
total_atoms	3250
n_residues	223
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	50.7 Å
rg_real	17.11 Å
rg_real_error	0.07 Å
i0_real	1.0510e+07
i0_real_error	1.0330e+05
rg_reciprocal	17.12 Å
i0_reciprocal	10880000.0000
total_estimate	0.7193
solution_quality	REASONABLE a REASONABLE solution
n_peaks	1
r_peak_primary	21.4 Å
skewness	0.137
kurtosis	-0.453
angular_range	— – 0.4600 Å⁻¹
current_alpha	11.3100
highest_alpha	2716000.0000
n_real_points	77
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.960; Stabil: 0.919; Sysdev: 0.000; Positv: 1.000; Valcen: 0.984; Smooth: 0.748

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4. Crystallography & Experiment

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5. Entities & Polymer Info (6)

Entity 1 polymer

description	TRYPSIN
formula_weight	23324.3 kDa
ec_number	3.4.21.4
src_method	nat
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	4011

IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN

Entity 2 non-polymer

description	CALCIUM ION
formula_weight	40.1 kDa
src_method	syn
entity_count	1

Entity 3 non-polymer

description	MAGNESIUM ION
formula_weight	24.3 kDa
src_method	syn
entity_count	1

Entity 4 non-polymer

description	SULFATE ION
formula_weight	96.1 kDa
src_method	syn
entity_count	1

Entity 5 non-polymer

description	(5-AMIDINO-2-BENZIMIDAZOLYL)(2-BENZIMIDAZOLYL)METHANE
formula_weight	290.3 kDa
src_method	syn
entity_count	1

Entity 6 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	215

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6. Citations (1)

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length_a	54.820 Å
length_b	54.820 Å
length_c	109.410 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	120.00 °
z_pdb	6

space_group	P 31 2 1
int_tables_number	152
crystal_system	—

resolution	1.370 Å
resolution_low	7.500 Å
r_factor	0.1740
r_work	0.1740
r_free	0.1930

fit	/app/data/saxs_computation/c1/1c1q/1c1q.fit
pddf	/app/data/pr_computation/c1/1c1q/1c1q.pr.out
profile	/app/data/saxs_computation/c1/1c1q/1c1q.dat