SAXSdb — 8r1d

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

Spike glycoprotein,Fibritin

Enterobacteria phage T4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 9	SD1-3 Fab Heavy Chain × 3 SD1-3 Fab Light Chain × 3 2-acetamido-2-deoxy-beta-D-glucopyranose × 30 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SPIKE_SARS2
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain A； PDBConstruct 1–1205； UniProt 1–1208 Author chain B； PDBConstruct 1–1205； UniProt 1–1208 Author chain C； PDBConstruct 1–1205； UniProt 1–1208

Spike glycoprotein,Fibritin

Enterobacteria phage T4

UniProt P10104

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 9	SD1-3 Fab Heavy Chain × 3 SD1-3 Fab Light Chain × 3 2-acetamido-2-deoxy-beta-D-glucopyranose × 30 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	WAC_BPT4
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain A； PDBConstruct 1208–1234； UniProt 458–484 Author chain B； PDBConstruct 1208–1234； UniProt 458–484 Author chain C； PDBConstruct 1208–1234； UniProt 458–484

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	8r1d
Deposition date deposition_date	2023-11-01
Structure title title	SD1-3 Fab in complex with SARS-CoV-2 BA.2.12.1 Spike Glycoprotein
Keywords keywords	;SARS-CoV-2, Spike, Glycoprotein, Coronavirus, antibody, Fab, SD1 domain, therapeutic, complex, neutralisingm convalescent sera, viral protein, immune system, SD1-3, BA.2.12.1, omicron variant, virus, BA.2.86 ;; VIRAL PROTEIN
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.

8r1d__assembly_1__model_1

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

Download this curve (.dat)

8r1d__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8r1d__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	51.65 Å
Rg (electron density)	51.13 Å
Total Rg	51.22 Å
Atom count	30450
Residues	3876
Excluded volume	541710 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8r1d__assembly_1__model_1`	nonameric （9）	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 (5)

Entity 1 Entity 1 polymer

Description description	SD1-3 Fab Heavy Chain
Molecular weight formula_weight	12914.3 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,D,H
Atom count atom_count	30493

QVQLVESGGGLVQPGGSLRLSCTASGVTFSSYAMSWVRQAPGKGLEWVSGISGSGDSTYYADSVKGRFTISRDNSKNTLYLQMNSLRVEDTAVYYCATHYCSGGSCPFDYWGQGTLVTVSS

Source Source

Source organism organism	Homo sapiens
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	SD1-3 Fab Light Chain
Molecular weight formula_weight	11218.3 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

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

PSALTQPPSVSVSPGQTASITCSGDKLGNKYAYWYQQKPGQSPVLVIFQDTMRPSGIPERFSASNSGNTATLTISGTQSIDEADYYCQAWDSNTAVFGGGTKLTVL

Source Source

Source organism organism	Homo sapiens
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Homo sapiens

Entity 3 Entity 3 polymer

Description description	Spike glycoprotein,Fibritin
Molecular weight formula_weight	142729.2 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C

MFVFLVLLPLVSSQCVNLITRTQSYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVTWFHAIHVSGTNGTKRFDNPVLPFNDGVYFASTEKSNIIRGWIFGTTLDSKTQSLLIVNNATNVVIKVCEFQFCNDPFLDVYYHKNNKSWMESEFRVYSSANNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKHTPINLGRDLPQGFSALEPLVDLPIGINITRFQTLLALHRSYLTPGDSSSGWTAGAAAYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIYQTSNFRVQPTESIVRFPNITNLCPFDEVFNATRFASVYAWNRKRISNCVADYSVLYNFAPFFAFKCYGVSPTKLNDLCFTNVYADSFVIRGNEVSQIAPGQTGNIADYNYKLPDDFTGCVIAWNSNKLDSKVGGNYNYQYRLFRKSNLKPFERDISTEIYQAGNKPCNGVAGFNCYFPLRSYGFRPTYGVGHQPYRVVVLSFELLHAPATVCGPKKSTNLVKNKCVNFNFNGLTGTGVLTESNKKFLPFQQFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNQVAVLYQGVNCTEVPVAIHADQLTPTWRVYSTGSNVFQTRAGCLIGAEYVNNSYECDIPIGAGICASYQTQTKSHRRARSVASQSIIAYTMSLGAENLVAYSNNSIAIPTNFTISVTTEILPVSMTKTSVDCTMYICGDSTECSNLLLQYGSFCTQLKRALTGIAVEQDKNTQEVFAQVKQIYKTPPIKYFGGFNFSQILPDPSKPSKRSFIEDLLFNKVTLADAGFIKQYGDCLGDIAARDLICAQKFNGLTVLPPLLTDEMIAQYTSALLAGTITSGWTFGAGAALQIPFAMQMAYRFNGIGVTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNHNAQALNTLVKQLSSKFGAISSVLNDILSRLDKVEAEVQIDRLITGRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSKRVDFCGKGYHLMSFPQSAPHGVVFLHVTYVPAQEKNFTTAPAICHDGKAHFPREGVFVSNGTHWFVTQRNFYEPQIITTDNTFVSGNCDVVIGIVNNTVYDPLQPELDSFKEELDKYFKNHTSPDVDLGDISGINASVVNIQKEIDRLNEVAKNLNESLIDLQELGKYEQGSGYIPEAPRDGQAYVRKDGEWVLLSTFLGRSLEVLFQGPGHHHHHHHHGSAWSHPQFEKGGGSGGGSGGSAWSHPQFEK

Source Source

Source organism organism	Enterobacteria phage T4
Common name common_name	Bacteriophage T4
NCBI taxonomy ID ncbi_taxonomy_id	10665
Host organism host_organism	Homo sapiens

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	syn
Copy count entity_count	30

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	43

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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	2.37 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	167816

SD1-3 Fab in complex with SARS-CoV-2 BA.2.12.1 Spike Glycoprotein

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

Spike glycoprotein,Fibritin

State in the Current Structure

Other States of the Same Protein in the Database

Spike glycoprotein,Fibritin

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

8r1d__assembly_1__model_1

8r1d__assembly_1__model_1 | I(q)

8r1d__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 (5)

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 non-polymer

Entity 5 Entity 5 water

7. Citations (1)

SD1-3 Fab in complex with SARS-CoV-2 BA.2.12.1 Spike Glycoprotein

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

Spike glycoprotein,Fibritin

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Spike glycoprotein,Fibritin

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

8r1d__assembly_1__model_1

8r1d__assembly_1__model_1 | I(q)

8r1d__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 (5)

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 non-polymer

Entity 5 Entity 5 water

7. Citations (1)