SAXSdb — 4ayu

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1. Protein Identity and Related Structures Protein Identity & Related Structures

SERUM AMYLOID P-COMPONENT

OrganismNot specified

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain A； UniProt 20–223 Chain B； UniProt 20–223 Chain C； UniProt 20–223 Chain D； UniProt 20–223 Chain E； UniProt 20–223	Not recorded	CA CALCIUM ION × 10 N8P N-ACETYL-D-PROLINE × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GOL GLYCEROL × 5	X-RAY DIFFRACTION X-ray crystallization conditions：pH 8；60 MM TRIS-HCL PH 8.0, 10 MM CACL2, 84 MM NACL, 20% GLYCEROL V/V, 17% PEG550 MME V/V	Resolution 1.50 Å R-free 0.168

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 4AYU	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1GYK Serum Amyloid P Component co-crystallised with MOBDG at neutral pH Deposited 2002-04-25	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	CA CALCIUM ION × 9 CDG METHYL 4,6-O-[(1R)-1-CARBOXYETHYLIDENE]-BETA-D-GALACTOPYRANOSIDE × 4	X-RAY DIFFRACTION X-ray crystallization conditions pH 8；pH 8.00	Resolution 2.20 Å R-free 0.224
1LGN DECAMERIC DAMP COMPLEX OF HUMAN SERUM AMYLOID P COMPONENT Deposited 1996-12-04	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	CA CALCIUM ION × 10 D5M 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；277 K；3 + 3 UL HANGING DROPS AT 277K PROTEIN SOLUTION: 20 MG/ML PROTEIN, 10 MM TRIS-HCL, PH 8.0, 140 MM NACL, 20 MM DAMP, 0.02 % NA-AZIDE. RESERVOIR SOLUTION: 100 MM BIS-TRIS PROPANE- HCL PH 8.0, 20 MM CALCIUM CHLORIDE, 12-14 % (W/V) POLYETHYLENEGLYCOL 4000., vapor diffusion - hanging drop	Resolution 2.80 Å R-free 0.252
1SAC THE STRUCTURE OF PENTAMERIC HUMAN SERUM AMYLOID P COMPONENT Deposited 1994-01-27	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	CA CALCIUM ION × 10 ACY ACETIC ACID × 4	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.00 Å
2A3W Decameric structure of human serum amyloid P-component bound to Bis-1,2-{[(Z)-2-carboxy-2-methyl-1,3-dioxane]-5-yloxycarbamoyl}-ethane Deposited 2005-06-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 10 PDB declaration: decameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa） Chain F 20–223（204 aa） Chain G 20–223（204 aa） Chain H 20–223（204 aa） Chain I 20–223（204 aa） Chain J 20–223（204 aa）	Not recorded	CA CALCIUM ION × 20 CPJ BIS-1,2-{[(Z)-2-CARBOXY-2-METHYL-1,3-DIOXANE]-5-YLOXYCARBAMOYL}-ETHANE × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；294 K；PEG 4000, PEG 400, sodium acetate, calcium acetate, sorbitol, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.20 Å R-free 0.229
2A3W Decameric structure of human serum amyloid P-component bound to Bis-1,2-{[(Z)-2-carboxy-2-methyl-1,3-dioxane]-5-yloxycarbamoyl}-ethane Deposited 2005-06-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein homooligomer Homooligomer；Protein × 10 PDB declaration: decameric	Chain K 20–223（204 aa） Chain L 20–223（204 aa） Chain M 20–223（204 aa） Chain N 20–223（204 aa） Chain O 20–223（204 aa） Chain P 20–223（204 aa） Chain Q 20–223（204 aa） Chain R 20–223（204 aa） Chain S 20–223（204 aa） Chain T 20–223（204 aa）	Not recorded	CA CALCIUM ION × 20 CPJ BIS-1,2-{[(Z)-2-CARBOXY-2-METHYL-1,3-DIOXANE]-5-YLOXYCARBAMOYL}-ETHANE × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；294 K；PEG 4000, PEG 400, sodium acetate, calcium acetate, sorbitol, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.20 Å R-free 0.229
2A3X Decameric crystal structure of human serum amyloid P-component bound to Bis-1,2-{[(Z)-2carboxy- 2-methyl-1,3-dioxane]- 5-yloxycarbonyl}-piperazine Deposited 2005-06-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 10 PDB declaration: decameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa） Chain F 20–223（204 aa） Chain G 20–223（204 aa） Chain H 20–223（204 aa） Chain I 20–223（204 aa） Chain J 20–223（204 aa）	Not recorded	CA CALCIUM ION × 20 CPK BIS-1,2-{[(Z)-2CARBOXY-2-METHYL-1,3-DIOXANE]-5-YLOXYCARBONYL}-PIPERAZINE × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；294 K；sodium acetate, calcium acetate, PEG 8000, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 3.00 Å R-free 0.282
2A3Y Pentameric crystal structure of human serum amyloid P-component bound to Bis-1,2-{[(Z)-2carboxy-2-methyl-1,3-dioxane]-5-yloxycarbamoyl}-ethane. Deposited 2005-06-27	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	CA CALCIUM ION × 10 CPJ BIS-1,2-{[(Z)-2-CARBOXY-2-METHYL-1,3-DIOXANE]-5-YLOXYCARBAMOYL}-ETHANE × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；294 K；sodium actetate, calcium acetate, PEG 8000, PEG 400, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.00 Å R-free 0.250
2W08 The structure of serum amyloid P component bound to 0-phospho- threonine Deposited 2008-08-12	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	CA CALCIUM ION × 10 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 TPO PHOSPHOTHREONINE × 5	X-RAY DIFFRACTION X-ray crystallization conditions pH 8；0.06M TRIS-HCL PH8, 16% PEG 550MME, 0.01M CACL2, 0.08M NACL, 0.1% NAN3, 14.2MG/ML PROTEIN, 50MM LIGAND	Resolution 1.70 Å R-free 0.176
3D5O Structural recognition and functional activation of FcrR by innate pentraxins Deposited 2008-05-16	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	SO4 SULFATE ION × 16 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；2.0 M NH4SO4, 5% iso-propanol, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.80 Å R-free 0.279
3KQR The structure of serum amyloid p component bound to phosphoethanolamine Deposited 2009-11-17	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	OPE PHOSPHORIC ACID MONO-(2-AMINO-ETHYL) ESTER × 5 CA CALCIUM ION × 10 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；0.06M TRIS-HCL pH8, 16% PEG 550MME, 0.01M CaCl2, 0.14M NaCl, 0.1% NaN3,14.2mg/ml Protein, 0.05M Ligand, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 1.50 Å R-free 0.161
4AVS Structure of N-Acetyl-L-Proline bound to Serum Amyloid P Component Deposited 2012-05-29	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 CA CALCIUM ION × 10 N7P 1-ACETYL-L-PROLINE × 5	X-RAY DIFFRACTION X-ray crystallization conditions pH 8；0.06 M TRIS-HCL, PH 8, 16% PEG 550 MME, 0.01 M CACL2, 0.08 M NACL AND 0.1% NAN3	Resolution 1.40 Å R-free 0.170
4AVT Structure of CPHPC bound to Serum Amyloid P Component Deposited 2012-05-29	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain C 20–223（204 aa） Chain E 20–223（204 aa） Chain G 20–223（204 aa） Chain I 20–223（204 aa）	Not recorded	CA CALCIUM ION × 10 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GHE (2R)-1-[6-[(2R)-2-carboxypyrrolidin-1-yl]-6-oxidanylidene-hexanoyl]pyrrolidine-2-carboxylic acid × 3	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.6；60MM TRIS-HCL, 80MM NACL, 15% PEG550 MME, pH 7.6	Resolution 3.20 Å R-free 0.197
4AVT Structure of CPHPC bound to Serum Amyloid P Component Deposited 2012-05-29	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric	Chain B 20–223（204 aa） Chain D 20–223（204 aa） Chain F 20–223（204 aa） Chain H 20–223（204 aa） Chain J 20–223（204 aa）	Not recorded	CA CALCIUM ION × 10 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GHE (2R)-1-[6-[(2R)-2-carboxypyrrolidin-1-yl]-6-oxidanylidene-hexanoyl]pyrrolidine-2-carboxylic acid × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.6；60MM TRIS-HCL, 80MM NACL, 15% PEG550 MME, pH 7.6	Resolution 3.20 Å R-free 0.197
4AVV Structure of CPHPC bound to Serum Amyloid P Component Deposited 2012-05-29	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Homooligomer；Protein × 5 PDB declaration: pentameric	Chain A 20–223（204 aa） Chain B 20–223（204 aa） Chain C 20–223（204 aa） Chain D 20–223（204 aa） Chain E 20–223（204 aa）	Not recorded	ACT ACETATE ION × 8 GHE (2R)-1-[6-[(2R)-2-carboxypyrrolidin-1-yl]-6-oxidanylidene-hexanoyl]pyrrolidine-2-carboxylic acid × 5 CD CADMIUM ION × 35 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 SIA N-acetyl-alpha-neuraminic acid × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 4.6；PH 4.6	Resolution 1.60 Å R-free 0.175

12 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	SAMP_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–204； UniProt 20–223 Author chain B； PDBConstruct 1–204； UniProt 20–223 Author chain C； PDBConstruct 1–204； UniProt 20–223 Author chain D； PDBConstruct 1–204； UniProt 20–223 Author chain E； PDBConstruct 1–204； UniProt 20–223

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	4ayu
Deposition date deposition_date	2012-06-22
Structure title title	Structure of N-Acetyl-D-Proline bound to serum amyloid P component
Keywords keywords	SUGAR BINDING PROTEIN, LECTIN; SUGAR BINDING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	36.23 Å
Radius of gyration Rg (electron density) rg_electron	35.08 Å
Forward intensity I(0) i0	195802000.00
Molecular weight molecular_weight	118950.0 kDa
Excluded volume excluded_volume	150910 Å³
Envelope volume envelope_volume	184410 Å³
Hydration-shell volume shell_volume	41851 Å³
Envelope diameter envelope_diameter	105.9 Å
Shell Rg shell_rg	43.91 Å
Envelope Rg envelope_rg	34.19 Å
Shape Rg shape_rg	35.07 Å
Total Rg total_rg	35.72 Å
Total atoms total_atoms	8410
Residues n_residues	1020
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	105.0 Å
Rg (real space) rg_real	36.05 Å
Rg uncertainty (real space) rg_real_error	0.79 Å
I(0) (real space) i0_real	1.9580e+08
I(0) uncertainty (real space) i0_real_error	2.7970e+06
Rg (reciprocal space) rg_reciprocal	36.17 Å
I(0) (reciprocal space) i0_reciprocal	195800000.0000
Solution quality estimate total_estimate	0.8946
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	54.9 Å
Skewness Skewness skewness	-0.011
Kurtosis Kurtosis kurtosis	-0.847
Angular range angular_range	— – 0.2200 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	169100000.0000
Real-space data points n_real_points	45
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.957; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.758

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	SERUM AMYLOID P-COMPONENT
Molecular weight formula_weight	23282.5 kDa
Source method src_method	nat
Copy count entity_count	5

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E
Atom count atom_count	9908

HTDLSGKVFVFPRESVTDHVNLITPLEKPLQNFTLCFRAYSDLSRAYSLFSYNTQGRDNELLVYKERVGEYSLYIGRHKVTSKVIEKFPAPVHICVSWESSSGIAEFWINGTPLVKKGLRQGYFVEAQPKIVLGQEQDSYGGKFDRSQSFVGEIGDLYMWDSVLPPENILSAYQGTPLPANILDWQALNYEIRGYVIIKPLVWV

Entity 2 Entity 2 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	10

Entity 3 Entity 3 non-polymer

Description description	N-ACETYL-D-PROLINE
Molecular weight formula_weight	157.2 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 4 Entity 4 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	5

Entity 5 Entity 5 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1362

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7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_id	d4ayua_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.5 — Pentraxin (pentaxin)

Domain ID domain_id	d4ayub_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.5 — Pentraxin (pentaxin)

Domain ID domain_id	d4ayuc_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.5 — Pentraxin (pentaxin)

Domain ID domain_id	d4ayud_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.5 — Pentraxin (pentaxin)

Domain ID domain_id	d4ayue_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.5 — Pentraxin (pentaxin)

CATH v4.4 (5 domains)

Domain ID domain_id	4ayuA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	200 —

Domain ID domain_id	4ayuB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	200 —

Domain ID domain_id	4ayuC00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	200 —

Domain ID domain_id	4ayuD00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	200 —

Domain ID domain_id	4ayuE00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	200 —

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8. Citations (1)

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Unit-cell length a length_a	94.420 Å
Unit-cell length b length_b	70.555 Å
Unit-cell length c length_c	99.055 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	96.90 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	10

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	1.500 Å
Low-resolution limit resolution_low	28.663 Å
R factor r_factor	0.1548
R_work r_work	0.1547
R_free r_free	0.1676

fit	/app/data/saxs_computation/ay/4ayu/4ayu.fit
pddf	/app/data/pr_computation/ay/4ayu/4ayu.pr.out
profile	/app/data/saxs_computation/ay/4ayu/4ayu.dat

Structure of N-Acetyl-D-Proline bound to serum amyloid P component

1. Protein Identity and Related Structures Protein Identity & Related Structures

SERUM AMYLOID P-COMPONENT

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction