SAXSdb — 1iod

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

COAGULATION FACTOR X GLA DOMAIN

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	COAGULATION FACTOR X BINDING PROTEIN × 1 COAGULATION FACTOR X BINDING PROTEIN × 1 CALCIUM ION × 12 water × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 6	COAGULATION FACTOR X BINDING PROTEIN × 2 COAGULATION FACTOR X BINDING PROTEIN × 2 CALCIUM ION × 24 water × 6	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 6	COAGULATION FACTOR X BINDING PROTEIN × 2 COAGULATION FACTOR X BINDING PROTEIN × 2 CALCIUM ION × 24 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FA10_BOVIN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain G； PDBConstruct 1–44； UniProt 41–84

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	1iod
Deposition date deposition_date	2001-02-27
Structure title title	CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN THE COAGULATION FACTOR X BINDING PROTEIN FROM SNAKE VENOM AND THE GLA DOMAIN OF FACTOR X
Keywords keywords	calcium bridging, domain swapping, HYDROLASE-HYDROLASE INHIBITOR COMPLEX; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method method	X-RAY DIFFRACTION

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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.

1iod__assembly_1__model_1

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

Download this curve (.dat)

1iod__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1iod__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.82 Å
Rg (electron density)	21.02 Å
Total Rg	21.80 Å
Atom count	2472
Residues	284
Excluded volume	43492 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1iod__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1iod__assembly_2__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1iod__assembly_3__model_1`	hexameric （6）	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	COAGULATION FACTOR X BINDING PROTEIN
Molecular weight formula_weight	14682.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2653

DCSSGWSSYEGHCYKVFKQSKTWADAESFCTKQVNGGHLVSIESSGEADFVGQLIAQKIKSAKIHVWIGLRAQNKEKQCSIEWSDGSSISYENWIEEESKKCLGVHIETGFHKWENFYCEQQDPFVCEA

Entity 2 Entity 2 polymer

Description description	COAGULATION FACTOR X BINDING PROTEIN
Molecular weight formula_weight	14580.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

DCPSDWSSYEGHCYKPFNEPKNWADAENFCTQQHTGSHLVSFQSTEEADFVVKLAFQTFDYGIFWMGLSKIWNQCNWQWSNAAMLKYTDWAEESYCVYFKSTNNKWRSITCRMIANFVCEFQA

Entity 3 Entity 3 polymer

Description description	COAGULATION FACTOR X GLA DOMAIN
Molecular weight formula_weight	5734.7 kDa
EC 编号 ec_number	3.4.21.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

ANSFLEEVKQGNLERECLEEACSLEEAREVFEDAEQTDEFWSKY

Entity 4 Entity 4 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	181

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6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1ioda_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.169 — C-type lectin-like
Superfamily Superfamily superfamily	d.169.1 — C-type lectin-like
Family Family family	d.169.1.1 — C-type lectin domain

Domain ID domain_id	d1iodb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.169 — C-type lectin-like
Superfamily Superfamily superfamily	d.169.1 — C-type lectin-like
Family Family family	d.169.1.1 — C-type lectin domain

Domain ID domain_id	d1iodg_
Class class	g — Small proteins
Fold Fold fold	g.32 — GLA-domain
Superfamily Superfamily superfamily	g.32.1 — GLA-domain
Family Family family	g.32.1.1 — GLA-domain

CATH v4.4 (2 domains)

Domain ID domain_id	1iodA00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	100 — Mannose-Binding Protein A; Chain A
Homologous superfamily homologous superfamily	10 — Mannose-Binding Protein A, subunit A

Domain ID domain_id	1iodB00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	100 — Mannose-Binding Protein A; Chain A
Homologous superfamily homologous superfamily	10 — Mannose-Binding Protein A, subunit A

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Unit-cell length a length_a	99.760 Å
Unit-cell length b length_b	99.760 Å
Unit-cell length c length_c	90.420 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	8

Space group space_group	P 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2010
R_work r_work	0.2010
R_free r_free	0.2670

CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN THE COAGULATION FACTOR X BINDING PROTEIN FROM SNAKE VENOM AND THE GLA DOMAIN OF FACTOR X

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

COAGULATION FACTOR X GLA DOMAIN

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

1iod__assembly_1__model_1

1iod__assembly_1__model_1 | I(q)

1iod__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. Citations (1)

CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN THE COAGULATION FACTOR X BINDING PROTEIN FROM SNAKE VENOM AND THE GLA DOMAIN OF FACTOR X

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

COAGULATION FACTOR X GLA DOMAIN

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

1iod__assembly_1__model_1

1iod__assembly_1__model_1 | I(q)

1iod__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. Citations (1)