SAXSdb — 9zpx

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

Cyclic nucleotide-gated channel alpha-1

Homo sapiens

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 × 4 PDB declaration: tetrameric（4） Consistent with protein copy count	Chain A； UniProt 140–686 Chain B； UniProt 140–686 Chain C； UniProt 140–686 Chain D； UniProt 140–686	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 CLR CHOLESTEROL × 4 PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 20 K POTASSIUM ION × 2	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.4 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 2.64 Å

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 9ZPX	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
7LFT Cryo-EM structure of human Apo CNGA1 channel in K+/Ca2+ Deposited 2021-01-18	Different construct Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Chain B 144–690（547 aa） Chain C 144–690（547 aa） Chain D 144–690（547 aa）	Not recorded	CLR CHOLESTEROL × 8 CPL 1-PALMITOYL-2-LINOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 24 K POTASSIUM ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
7LFW Cryo-EM structure of human cGMP-bound open CNGA1 channel in K+/Ca2+ Deposited 2021-01-18	Different construct Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Chain B 144–690（547 aa） Chain C 144–690（547 aa） Chain D 144–690（547 aa）	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 CA CALCIUM ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
7LFX Cryo-EM structure of human cGMP-bound open CNGA1 channel in Na+/Ca2+ Deposited 2021-01-19	Different construct Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Chain B 144–690（547 aa） Chain C 144–690（547 aa） Chain D 144–690（547 aa）	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 CA CALCIUM ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
7LFY Cryo-EM structure of human cGMP-bound open CNGA1 channel in Na+ Deposited 2021-01-19	Different construct Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Chain B 144–690（547 aa） Chain C 144–690（547 aa） Chain D 144–690（547 aa）	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 NA SODIUM ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
7LG1 Cryo-EM structure of human cGMP-bound CNGA1_E365Q channel in Na+/Ca2+ Deposited 2021-01-19	Different construct Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Chain B 144–690（547 aa） Chain C 144–690（547 aa） Chain D 144–690（547 aa）	Mutation：E365Q Mutation：E365Q Mutation：E365Q Mutation：E365Q	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 CA CALCIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
7RH9 Cryo-EM structure of human rod CNGA1/B1 channel in apo state Deposited 2021-07-16	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Fragment：UNP residues 144-690 Chain C 144–690（547 aa） Fragment：UNP residues 144-690 Chain D 144–690（547 aa） Fragment：UNP residues 144-690	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.61 Å
7RHG Cryo-EM structure of human rod CNGA1/B1 channel in cAMP-bound state Deposited 2021-07-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Fragment：UNP residues 144-690 Chain C 144–690（547 aa） Fragment：UNP residues 144-690 Chain D 144–690（547 aa） Fragment：UNP residues 144-690	Not recorded	CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.88 Å
7RHH Cryo-EM structure of human rod CNGA1/B1 channel in cGMP-bound openI state Deposited 2021-07-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Fragment：UNP residues 144-690 Chain C 144–690（547 aa） Fragment：UNP residues 144-690 Chain D 144–690（547 aa） Fragment：UNP residues 144-690	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.31 Å
7RHI Cryo-EM structure of human rod CNGA1/B1 channel in cGMP-bound openII state Deposited 2021-07-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Fragment：UNP residues 144-690 Chain C 144–690（547 aa） Fragment：UNP residues 144-690 Chain D 144–690（547 aa） Fragment：UNP residues 144-690	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.31 Å
7RHJ Cryo-EM structure of human rod CNGA1/B1 channel in L-cis-Diltiazem-blocked open state Deposited 2021-07-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Fragment：UNP residues 144-690 Chain C 144–690（547 aa） Fragment：UNP residues 144-690 Chain D 144–690（547 aa） Fragment：UNP residues 144-690	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 5H0 (2R,3R)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.88 Å
7RHK Cryo-EM structure of human rod CNGA1/B1 channel in L-cis-Diltiazem-trapped closed state Deposited 2021-07-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Fragment：UNP residues 144-690 Chain C 144–690（547 aa） Fragment：UNP residues 144-690 Chain D 144–690（547 aa） Fragment：UNP residues 144-690	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 5H0 (2R,3R)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.27 Å
7RHL Cryo-EM structure of human rod Apo CNGA1/B1 channel with CLZ coiled coil Deposited 2021-07-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 144–690（547 aa） Fragment：UNP residues 144-690 Chain C 144–690（547 aa） Fragment：UNP residues 144-690 Chain D 144–690（547 aa） Fragment：UNP residues 144-690	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.03 Å
9ZPV CNGA1 channel closed state in nanodisc cGMP-free Deposited 2025-12-17	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 140–686（547 aa） Chain B 140–686（547 aa） Chain C 140–686（547 aa） Chain D 140–686（547 aa）	Not recorded	CLR CHOLESTEROL × 4 PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 28 K POTASSIUM ION × 6	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.07 Å
9ZPW CNGA1 channel intermediate state in nanodisc cGMP-bound Deposited 2025-12-17	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 140–686（547 aa） Chain B 140–686（547 aa） Chain C 140–686（547 aa） Chain D 140–686（547 aa）	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 CLR CHOLESTEROL × 4 PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 28 K POTASSIUM ION × 6	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.47 Å
9ZPY CNGA1 channel closed state in nanodisc with brain PIP2 cGMP-free Deposited 2025-12-17	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 140–686（547 aa） Chain B 140–686（547 aa） Chain C 140–686（547 aa） Chain D 140–686（547 aa）	Not recorded	CLR CHOLESTEROL × 4 PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 28 K POTASSIUM ION × 5 PT5 [(2R)-1-octadecanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phospho ryl]oxy-propan-2-yl] (8Z)-icosa-5,8,11,14-tetraenoate × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.48 Å
9ZPZ CNGA1 channel intermediate state in nanodisc with brain PIP2 cGMP-bound Deposited 2025-12-17	Different ligand/ion Different experimental conditions	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 140–686（547 aa） Chain B 140–686（547 aa） Chain C 140–686（547 aa） Chain D 140–686（547 aa）	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 CLR CHOLESTEROL × 4 PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 28 PT5 [(2R)-1-octadecanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phospho ryl]oxy-propan-2-yl] (8Z)-icosa-5,8,11,14-tetraenoate × 2 K POTASSIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4；25 mM HEPES, 150 mM KCl, pH7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.64 Å
9ZQ0 CNGA1 channel closed state in nanodisc with diC8-PIP2 cGMP-free Deposited 2025-12-17	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 140–686（547 aa） Chain B 140–686（547 aa） Chain C 140–686（547 aa） Chain D 140–686（547 aa）	Not recorded	CLR CHOLESTEROL × 4 PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 28 PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 4 K POTASSIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4；25 mM HEPES, 150 mM KCl, pH7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.11 Å
9ZQ1 CNGA1 channel intermediate state in nanodisc with diC8-PIP2 cGMP-bound Deposited 2025-12-17	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 140–686（547 aa） Chain B 140–686（547 aa） Chain C 140–686（547 aa） Chain D 140–686（547 aa）	Not recorded	PCG CYCLIC GUANOSINE MONOPHOSPHATE × 4 CLR CHOLESTEROL × 4 PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 28 PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 4 K POTASSIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4；25 mM HEPES, 150 mM KCl, pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.22 Å

18 other PDB entries and 18 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	CNGA1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 13–559； UniProt 140–686 Author chain B； PDBConstruct 13–559； UniProt 140–686 Author chain C； PDBConstruct 13–559； UniProt 140–686 Author chain D； PDBConstruct 13–559； UniProt 140–686

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	9zpx
Deposition date deposition_date	2025-12-17
Structure title title	CNGA1 channel open state in nanodisc cGMP-bound
Keywords keywords	Cyclic nucleotide-gated channel, Rod photoreceptor, CNGA1, Ion channel, TRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method method	ELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier	40.71 Å
Radius of gyration Rg (electron density) rg_electron	40.03 Å
Forward intensity I(0) i0	607832000.00
Molecular weight molecular_weight	222280.0 kDa
Excluded volume excluded_volume	286360 Å³
Envelope volume envelope_volume	378290 Å³
Hydration-shell volume shell_volume	76022 Å³
Envelope diameter envelope_diameter	121.5 Å
Shell Rg shell_rg	48.40 Å
Envelope Rg envelope_rg	38.77 Å
Shape Rg shape_rg	39.98 Å
Total Rg total_rg	40.67 Å
Total atoms total_atoms	15623
Residues n_residues	1796
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	122.1 Å
Rg (real space) rg_real	40.45 Å
Rg uncertainty (real space) rg_real_error	0.94 Å
I(0) (real space) i0_real	6.0780e+08
I(0) uncertainty (real space) i0_real_error	1.0330e+07
Rg (reciprocal space) rg_reciprocal	40.70 Å
I(0) (reciprocal space) i0_reciprocal	608000000.0000
Solution quality estimate total_estimate	0.8924
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	53.2 Å
Skewness Skewness skewness	0.032
Kurtosis Kurtosis kurtosis	-0.507
Angular range angular_range	— – 0.1950 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	42680000.0000
Real-space data points n_real_points	40
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.920; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.960; Smooth: 0.883

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	Cyclic nucleotide-gated channel alpha-1
Molecular weight formula_weight	64519.2 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	15627

DYKDDDDKGGSASKDKKEEEKKEVVVIDPSGNTYYNWLFCITLPVMYNWTMVIARACFDELQSDYLEYWLILDYVSDIVYLIDMFVRTRTGYLEQGLLVKEELKLINKYKSNLQFKLDVLSLIPTDLLYFKLGWNYPEIRLNRLLRFSRMFEFFQRTETRTNYPNIFRISNLVMYIVIIIHWNACVFYSISKAIGFGNDTWVYPDINDPEFGRLARKYVYSLYWSTLTLTTIGETPPPVRDSEYVFVVVDFLIGVLIFATIVGNIGSMISNMNAARAEFQARIDAIKQYMHFRNVSKDMEKRVIKWFDYLWTNKKTVDEKEVLKYLPDKLRAEIAINVHLDTLKKVRIFADCEAGLLVELVLKLQPQVYSPGDYICKKGDIGREMYIIKEGKLAVVADDGVTQFVVLSDGSYFGEISILNIKGSKAGNRRTANIKSIGYSDLFCLSKDDLMEALTEYPDAKTMLEEKGKQILMKDGLLDLNIANAGSDPKDLEEKVTRMEGSVDLLQTRFARILAEYESMQQKLKQRLTKVEKFLKPLIDTEFSSIEGPGAESGPIDST

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 2 Entity 2 non-polymer

Description description	CYCLIC GUANOSINE MONOPHOSPHATE
Molecular weight formula_weight	345.2 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	CHOLESTEROL
Molecular weight formula_weight	386.7 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 4 Entity 4 non-polymer

Description description	1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE
Molecular weight formula_weight	787.1 kDa
Source method src_method	syn
Copy count entity_count	20

Entity 5 Entity 5 non-polymer

Description description	POTASSIUM ION
Molecular weight formula_weight	39.1 kDa
Source method src_method	syn
Copy count entity_count	2

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8. Citations (1)

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

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

Resolution resolution	2.640 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	2.64 Å
Resolution测定方法 resolution_method	—
颗粒数 num_particles	113512

fit	/app/data/saxs_computation/zp/9zpx/9zpx.fit
pddf	/app/data/pr_computation/zp/9zpx/9zpx.pr.out
profile	/app/data/saxs_computation/zp/9zpx/9zpx.dat

CNGA1 channel open state in nanodisc cGMP-bound

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

Cyclic nucleotide-gated channel alpha-1

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

冷冻电镜 EM 3D