SAXSdb — 1ae6

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

IGG CTM01 FAB (LIGHT CHAIN)

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain L； UniProt 39–238	Fragment：FAB FRAGMENT	IGG CTM01 FAB (HEAVY CHAIN) × 1 （P01869）	X-RAY DIFFRACTION X-ray crystallization conditions：pH 5.6；20-25% PEG4000, BUFFERED AT PH 5.6 WITH 20MM BIS-TRIS.	Resolution 3.00 Å R-free 0.311

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence

UniProt name	Q8VCI6
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain L； PDBConstruct 1–219； UniProt 39–238

IGG CTM01 FAB (HEAVY CHAIN)

OrganismNot specified

UniProt P01869

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain H； UniProt 1–98	Fragment：FAB FRAGMENT	IGG CTM01 FAB (LIGHT CHAIN) × 1 （Q8VCI6）	X-RAY DIFFRACTION X-ray crystallization conditions：pH 5.6；20-25% PEG4000, BUFFERED AT PH 5.6 WITH 20MM BIS-TRIS.	Resolution 3.00 Å R-free 0.311

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 1AE6	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
15C8 CATALYTIC ANTIBODY 5C8, FREE FAB Deposited 1998-03-18	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 2–217（216 aa） Fragment：FAB	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 5.5；pH 5.5	Resolution 2.50 Å R-free 0.251
1ACY CRYSTAL STRUCTURE OF THE PRINCIPAL NEUTRALIZING SITE OF HIV-1 Deposited 1994-02-10	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain H 1–100（100 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 3.00 Å
1CIC IDIOTOPE-ANTI-IDIOTOPE FAB-FAB COMPLEX; D1.3-E225 Deposited 1999-03-31	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain D 1–218（218 aa） Fragment：FAB IMMUNOGLOBULIN FRAGMENT	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 4.9；12% PEG 800, 75 MILLIMOLAR SODIUM ACETATE PH 4.85 10MGM/ML PROTEIN CONCENTRATION , pH 4.9	Resolution 2.50 Å
1CL7 ANTI HIV1 PROTEASE FAB Deposited 1999-05-06	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain I 133–214（82 aa） Fragment：FAB	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 7；pH 7.0	Resolution 3.00 Å R-free 0.280
1F11 F124 FAB FRAGMENT FROM A MONOCLONAL ANTI-PRES2 ANTIBODY Deposited 2000-05-18	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 2–102（101 aa） Fragment：FAB FRAGMENT (UNP Q65ZR6 residues 18-134, P01869 residues 2-102)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；290 K；PEG 400, sodium acetate, ammonium sulfate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 290K	Resolution 3.00 Å R-free 0.271
1F11 F124 FAB FRAGMENT FROM A MONOCLONAL ANTI-PRES2 ANTIBODY Deposited 2000-05-18	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 2–102（101 aa） Fragment：FAB FRAGMENT (UNP Q65ZR6 residues 18-134, P01869 residues 2-102)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；290 K；PEG 400, sodium acetate, ammonium sulfate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 290K	Resolution 3.00 Å R-free 0.271
1JHK Crystal structure of the anti-estradiol antibody 57-2 Deposited 2001-06-28	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 12–229（218 aa） Fragment：residues 1-215	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9.1；277 K；PEG4000, PEG8000, Tris-HCl, pH 9.1, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 2.51 Å R-free 0.262
1KC5 CRYSTAL STRUCTURE OF ANTIBODY PC287 IN COMPLEX WITH PS1 PEPTIDE Deposited 2001-11-07	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain H 1–101（101 aa） Fragment：heavy chain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；300 K；20% PEG 8K, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 2.50 Å R-free 0.270
1KCR CRYSTAL STRUCTURE OF ANTIBODY PC283 IN COMPLEX WITH PS1 PEPTIDE Deposited 2001-11-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain H 1–102（102 aa） Fragment：heavy chain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；300 K；18% PEG 3K, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 2.90 Å R-free 0.277
1L7T Crystal Structure Analysis of the anti-testosterone Fab fragment Deposited 2002-03-17	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–103（103 aa） Fragment：fab77 fragment	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.8；298 K；peg3350, MES, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.10 Å R-free 0.275
1ORS X-ray structure of the KvAP potassium channel voltage sensor in complex with an Fab Deposited 2003-03-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–103（103 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；PEG4000, Hepes, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 1.90 Å R-free 0.251
1RUQ Crystal Structure (H) of u.v.-irradiated Diels-Alder antibody 13G5 Fab at pH 8.0 with a data set collected in house. Deposited 2003-12-11	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–99（99 aa） Fragment：fab	Not recorded	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；0.1 M imidazole, pH 8.0, 0.2 M zinc acetate, 5-7% (v/v) isopropanol, 20% (w/v) PEG 3000, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.86 Å R-free 0.256
1RUR Crystal Structure (I) of native Diels-Alder antibody 13G5 Fab at pH 8.0 with a data set collected at SSRL beamline 9-1. Deposited 2003-12-11	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–99（99 aa） Fragment：fab	Not recorded	ZN ZINC ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；295 K；0.1 M imidazole, pH 8.0, 0.2 M zinc acetate, 5-7% (v/v) isopropanol, 20% (w/v) PEG 3000, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.50 Å R-free 0.238
1S5I Fab (LNKB-2) of monoclonal antibody to Human Interleukin-2, crystal structure Deposited 2004-01-21	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–102（102 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；300 K；PEG-8000, ZnAc, NaN3, Na(CH3)2AsO4, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 2.70 Å R-free 0.275
25C8 CATALYTIC ANTIBODY 5C8, FAB-HAPTEN COMPLEX Deposited 1998-03-18	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 2–217（216 aa） Fragment：FAB	Not recorded	GEP N-METHYL-N-(PARA-GLUTARAMIDOPHENYL-ETHYL)-PIPERIDINIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 5.5；pH 5.5	Resolution 2.00 Å R-free 0.292

14 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	IGH1M_MOUSE
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain H； PDBConstruct 1–217； UniProt 1–98

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	1ae6
Deposition date deposition_date	1997-03-06
Structure title title	IGG-FAB FRAGMENT OF MOUSE MONOCLONAL ANTIBODY CTM01
Keywords keywords	IMMUNOGLOBULIN, FAB FRAGMENT, HUMANISATION; IMMUNOGLOBULIN
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	26.11 Å
Radius of gyration Rg (electron density) rg_electron	25.03 Å
Forward intensity I(0) i0	38745400.00
Molecular weight molecular_weight	47622.0 kDa
Excluded volume excluded_volume	59329 Å³
Envelope volume envelope_volume	76097 Å³
Hydration-shell volume shell_volume	25462 Å³
Envelope diameter envelope_diameter	84.3 Å
Shell Rg shell_rg	32.15 Å
Envelope Rg envelope_rg	24.68 Å
Shape Rg shape_rg	25.01 Å
Total Rg total_rg	25.90 Å
Total atoms total_atoms	3349
Residues n_residues	437
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	81.5 Å
Rg (real space) rg_real	26.09 Å
Rg uncertainty (real space) rg_real_error	0.49 Å
I(0) (real space) i0_real	3.8750e+07
I(0) uncertainty (real space) i0_real_error	4.8050e+05
Rg (reciprocal space) rg_reciprocal	26.10 Å
I(0) (reciprocal space) i0_reciprocal	38750000.0000
Solution quality estimate total_estimate	0.9104
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	29.4 Å
Skewness Skewness skewness	0.272
Kurtosis Kurtosis kurtosis	-0.549
Angular range angular_range	— – 0.3050 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	8321000.0000
Real-space data points n_real_points	62
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.963; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.953

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (2)

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7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1ae6h1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.1 — Immunoglobulin
Family Family family	b.1.1.1 — V set domains (antibody variable domain-like)

Domain ID domain_id	d1ae6h2
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.1 — Immunoglobulin
Family Family family	b.1.1.2 — C1 set domains (antibody constant domain-like)

Domain ID domain_id	d1ae6l1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.1 — Immunoglobulin
Family Family family	b.1.1.1 — V set domains (antibody variable domain-like)

Domain ID domain_id	d1ae6l2
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.1 — Immunoglobulin
Family Family family	b.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (4 domains)

Domain ID domain_id	1ae6H01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	1ae6H02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	1ae6L01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	1ae6L02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

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8. Citations (1)

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Unit-cell length a length_a	54.300 Å
Unit-cell length b length_b	66.550 Å
Unit-cell length c length_c	61.350 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	103.40 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

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

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2100
R_work r_work	0.2100
R_free r_free	0.3110

Description description	IGG CTM01 FAB (LIGHT CHAIN)
Molecular weight formula_weight	24194.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	L
Atom count atom_count	3349

IGG-FAB FRAGMENT OF MOUSE MONOCLONAL ANTIBODY CTM01

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

IGG CTM01 FAB (LIGHT CHAIN)

State in the Current Structure

Other States of the Same Protein in the Database

IGG CTM01 FAB (HEAVY CHAIN)

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

6. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

fit	/app/data/saxs_computation/ae/1ae6/1ae6.fit
pddf	/app/data/pr_computation/ae/1ae6/1ae6.pr.out
profile	/app/data/saxs_computation/ae/1ae6/1ae6.dat