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1b2v

HEME-BINDING PROTEIN A

Method: X-RAY DIFFRACTION D_max: 52.8 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1b2v
deposition_date	1998-12-01
title	HEME-BINDING PROTEIN A
keywords	HEME ACQUISITION, IRON METABOLISM, TRANSPORT PROTEIN; TRANSPORT PROTEIN
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	16.78 Å
rg_electron	15.48 Å
i0	6836080.00
molecular_weight	18388.0 kDa
excluded_volume	22609 Å³
envelope_volume	25319 Å³
shell_volume	13977 Å³
envelope_diameter	51.9 Å
shell_rg	21.05 Å
envelope_rg	15.66 Å
shape_rg	15.45 Å
total_rg	16.51 Å
total_atoms	1300
n_residues	173
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	52.8 Å
rg_real	16.68 Å
rg_real_error	0.27 Å
i0_real	6.8360e+06
i0_real_error	7.4570e+04
rg_reciprocal	16.69 Å
i0_reciprocal	6836000.0000
total_estimate	0.8211
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	21.3 Å
skewness	0.131
kurtosis	-0.389
angular_range	— – 0.4750 Å⁻¹
current_alpha	0.0000
highest_alpha	795900.0000
n_real_points	78
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.893; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.000

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	PROTEIN (HEME-BINDING PROTEIN A)
formula_weight	19288.6 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	1523

MAFSVNYDSSFGGYSIHDYLGQWASTFGDVNHTNGNVTDANSGGFYGGSLSGSQYAISSTANQVTAFVAGGNLTYTLFNEPAHTLYGQLDSLSFGDGLSGGDTSPYSIQVPDVSFGGLNLSSLQAQGHDGVVHQVVYGLMSGDTGALETALNGILDDYGLSVNSTFDQVAAATAVGVQHADSPELLAA

Source

organism	Serratia marcescens
ncbi_taxonomy_id	615
host_organism	Escherichia coli

Entity 2 non-polymer

description	CALCIUM ION
formula_weight	40.1 kDa
src_method	syn
entity_count	1

Entity 3 non-polymer

description	PROTOPORPHYRIN IX CONTAINING FE
formula_weight	616.5 kDa
src_method	syn
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	176

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6. Citations (2)

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length_a	41.650 Å
length_b	80.660 Å
length_c	63.230 Å
angle_alpha	90.00 °
angle_beta	93.58 °
angle_gamma	90.00 °
z_pdb	4

space_group	C 1 2 1
int_tables_number	5
crystal_system	—

resolution	1.900 Å
resolution_low	15.000 Å
r_factor	0.1770
r_work	0.1750
r_free	0.2180

fit	/app/data/saxs_computation/b2/1b2v/1b2v.fit
pddf	/app/data/pr_computation/b2/1b2v/1b2v.pr.out
profile	/app/data/saxs_computation/b2/1b2v/1b2v.dat

HEME-BINDING PROTEIN A

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