SAXSdb — 8vgi

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

Tryptase alpha/beta-1

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 12	Fab E104.v1.2DS light chain × 4 Fab E104.v1.2DS heavy chain × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TRYB1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 16–260； UniProt 31–275 Author chain B； PDBConstruct 16–260； UniProt 31–275 Author chain C； PDBConstruct 16–260； UniProt 31–275 Author chain D； PDBConstruct 16–260； UniProt 31–275

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	8vgi
Deposition date deposition_date	2023-12-27
Structure title title	CryoEM structure of tryptase in complex with engineered conformationally rigid anti-tryptase Fab E104.v1.2DS
Keywords keywords	antibody fragment, fab, protein engineering, tryptase, HYDROLASE-IMMUNE SYSTEM complex; HYDROLASE/IMMUNE SYSTEM
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8vgi__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8vgi__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8vgi__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	49.79 Å
Rg (electron density)	49.84 Å
Total Rg	50.05 Å
Atom count	20456
Residues	2668
Excluded volume	363070 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8vgi__assembly_1__model_1`	dodecameric （12）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Tryptase alpha/beta-1
Molecular weight formula_weight	29211.1 kDa
EC 编号 ec_number	3.4.21.59
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	20482

AGSTHHHHHHDDDDKIVGGQEAPRSKWPWQVSLRVHGPYWMHFCGGSLIHPQWVLTAAHCVGPDVKDLAALRVQLREQHLYYQDQLLPVSRIIVHPQFYTAQIGADIALLELEEPVNVSSHVHTVTLPPASETFPPGMPCWVTGWGDVDNDERLPPPFPLKQVKVPIMENHICDAKYHLGAYTGDDVRIVRDDMLCAGNTRRDSCQGDSGGPLVCKVNGTWLQAGVVSWGEGCAQPNRPGIYTRVTYYLDWIHHYVPKKP

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Trichoplusia ni

Entity 2 Entity 2 polymer

Description description	Fab E104.v1.2DS light chain
Molecular weight formula_weight	23623.2 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,G,I,L

DIQMTQSPSSLSASVGDRVTITCQSIKSVYNNRLGWYQQKPGKAPKLLIYETSILTSGVPSRFSGSGSGTDFTLTISSLQCEDFATYYCAGGFDRSGDTTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDCTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

Entity 3 Entity 3 polymer

Description description	Fab E104.v1.2DS heavy chain
Molecular weight formula_weight	25154.3 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,H,J,K

EVQLVESGPGCVKPSETLSLTCTVSRFSLIGYAITWIRQPPGKGLEWIGGISSAATTFYSSWAKSRVTISVDTSKNQFSLKLSSVTAADTAVYYCARDPRGYGAALDRLDLWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFCEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTHHHHHHP

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	26

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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	2.70 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	253508

CryoEM structure of tryptase in complex with engineered conformationally rigid anti-tryptase Fab E104.v1.2DS

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

Tryptase alpha/beta-1

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

8vgi__assembly_1__model_1

8vgi__assembly_1__model_1 | I(q)

8vgi__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 water

7. Citations (1)

CryoEM structure of tryptase in complex with engineered conformationally rigid anti-tryptase Fab E104.v1.2DS

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

Tryptase alpha/beta-1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

8vgi__assembly_1__model_1

8vgi__assembly_1__model_1 | I(q)

8vgi__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 water

7. Citations (1)