SAXSdb — 8ty1

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

Coagulation factor VIII

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 3 其他Polymer 3	NB2E9 light chain × 1 NB2E9 heavy chain × 1 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FA8_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 392–771； UniProt 392–771 Author chain A； PDBConstruct 1155–1467； UniProt 2039–2351

Coagulation factor VIII

Homo sapiens

UniProt P12263

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 3 其他Polymer 3	NB2E9 light chain × 1 NB2E9 heavy chain × 1 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FA8_PIG
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–391； UniProt 1–391 Author chain A； PDBConstruct 772–1154； UniProt 1438–1820

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	8ty1
Deposition date deposition_date	2023-08-24
Structure title title	Cryo-EM structure of coagulation factor VIII bound to NB2E9
Keywords keywords	Coagulation, Inhibitor antibody, factor VIII, BLOOD CLOTTING-INHIBITOR complex; BLOOD CLOTTING/INHIBITOR
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.

8ty1__assembly_1__model_1

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

Download this curve (.dat)

8ty1__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8ty1__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	46.16 Å
Rg (electron density)	46.43 Å
Total Rg	46.60 Å
Atom count	13508
Residues	1675
Excluded volume	239880 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8ty1__assembly_1__model_1`	trimeric （3）	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	Coagulation factor VIII
Molecular weight formula_weight	168287.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	13508

MQLELSTCVFLCLLPLGFSAIRRYYLGAVELSWDYRQSELLRELHVDTRFPATAPGALPLGPSVLYKKTVFVEFTDQLFSVARPRPPWMGLLGPTIQAEVYDTVVVTLKNMASHPVSLHAVGVSFWKSSEGAEYEDHTSQREKEDDKVLPGKSQTYVWQVLKENGPTASDPPCLTYSYLSHVDLVKDLNSGLIGALLVCREGSLTRERTQNLHEFVLLFAVFDEGKSWHSARNDSWTRAMDPAPARAQPAMHTVNGYVNRSLPGLIGCHKKSVYWHVIGMGTSPEVHSIFLEGHTFLVRHHRQASLEISPLTFLTAQTFLMDLGQFLLFCHISSHHHGGMEAHVRVESCAEEPQLRRKADEEEDYDDNLYDSDMDVVRLDGDDVSPFIQIRSVAKKHPKTWVHYIAAEEEDWDYAPLVLAPDDRSYKSQYLNNGPQRIGRKYKKVRFMAYTDETFKTREAIQHESGILGPLLYGEVGDTLLIIFKNQASRPYNIYPHGITDVRPLYSRRLPKGVKHLKDFPILPGEIFKYKWTVTVEDGPTKSDPRCLTRYYSSFVNMERDLASGLIGPLLICYKESVDQRGNQIMSDKRNVILFSVFDENRSWYLTENIQRFLPNPAGVQLEDPEFQASNIMHSINGYVFDSLQLSVCLHEVAYWYILSIGAQTDFLSVFFSGYTFKHKMVYEDTLTLFPFSGETVFMSMENPGLWILGCHNSDFRNRGMTALLKVSSCDKNTGDYYEDSYEDISAYLLSKNNAIEPRSFAQNSRPPSASAPKPPVLRRHQRDISLPTFQPEEDKMDYDDIFSTETKGEDFDIYGEDENQDPRSFQKRTRHYFIAAVEQLWDYGMSESPRALRNRAQNGEVPRFKKVVFREFADGSFTQPSYRGELNKHLGLLGPYIRAEVEDNIMVTFKNQASRPYSFYSSLISYPDDQEQGAEPRHNFVQPNETRTYFWKVQHHMAPTEDEFDCKAWAYFSDVDLEKDVHSGLIGPLLICRANTLNAAHGRQVTVQEFALFFTIFDETKSWYFTENVERNCRAPCHLQMEDPTLKENYRFHAINGYVMDTLPGLVMAQNQRIRWYLLSMGSNENIHSIHFSGHVFSVRKKEEYKMAVYNLYPGVFETVEMLPSKVGIWRIECLIGEHLQAGMSTTFLVYSKKCQTPLGMASGHIRDFQITASGQYGQWAPKLARLHYSGSINAWSTKEPFSWIKVDLLAPMIIHGIKTQGARQKFSSLYISQFIIMYSLDGKKWQTYRGNSTGTLMVFFGNVDSSGIKHNIFNPPIIARYIRLHPTHYSIRSTLRMELMGCDLNSCSMPLGMESKAISDAQITASSYFTNMFATWSPSKARLHLQGRSNAWRPQVNNPKEWLQVDFQKTMKVTGVTTQGVKSLLTSMYVKEFLISSSQDGHQWTLFFQNGKVKVFQGNQDSFTPVVNSLDPPLLTRYLRIHPQSWVHQIALRMEVLGCEAQDLY

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 2 Entity 2 polymer

Description description	NB2E9 light chain
Molecular weight formula_weight	23513.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

EIVLTQFPGTLSLSPGERATLSCRASQSVASAYLAWYQQKPGQAPRLLIYGASSRATDIPHRFSGSGSGTDFTLTISRLEPEDFAVYYCQQYGTSALLTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

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	NB2E9 heavy chain
Molecular weight formula_weight	25373.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

QVQLVQSGAEVKKPGASVKVSCKTSGYNFTGYSASGHIFTAYSVHWVRQAPGQGLEWMGRINPNSGATDYAHKFQGRVTMSRDTSISTAYMELSRLTSDDTAMYYCARADNYFDIVTGYTSHYFDYWGRGTLVTVSSASTKGPSVFPLAPCSRSTSESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTKTYTCNVDHKPSNTKVDKRV

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 branched

Description description	;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	748.7 kDa
Source method src_method	man
Copy count entity_count	3

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	8ty1A01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	260 — Galactose-binding domain-like

Domain ID domain_id	8ty1B01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	8ty1C01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	8ty1C02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

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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	3.46 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	94935

Cryo-EM structure of coagulation factor VIII bound to NB2E9

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

Coagulation factor VIII

State in the Current Structure

Other States of the Same Protein in the Database

Coagulation factor VIII

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

8ty1__assembly_1__model_1

8ty1__assembly_1__model_1 | I(q)

8ty1__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 branched

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

Cryo-EM structure of coagulation factor VIII bound to NB2E9

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

Coagulation factor VIII

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Coagulation factor VIII

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

8ty1__assembly_1__model_1

8ty1__assembly_1__model_1 | I(q)

8ty1__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 branched

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)