SAXSdb — 1a0h

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

MEIZOTHROMBIN

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Homooligomer	Protein 4 其他Polymer 2	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 2 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	THRB_BOVIN
Isoform	—
PDB entities	1, 2
Chains and sequence ranges	Author chain A； PDBConstruct 1–159； UniProt 208–366 Author chain D； PDBConstruct 1–159； UniProt 208–366 Author chain B； PDBConstruct 1–259； UniProt 367–625 Author chain E； PDBConstruct 1–259； UniProt 367–625

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	1a0h
Deposition date deposition_date	1997-11-30
Structure title title	THE X-RAY CRYSTAL STRUCTURE OF PPACK-MEIZOTHROMBIN DESF1: KRINGLE/THROMBIN AND CARBOHYDRATE/KRINGLE/THROMBIN INTERACTIONS AND LOCATION OF THE LINKER CHAIN
Keywords keywords	SERINE PROTEASE, COAGULATION, THROMBIN, PROTHROMBIN, MEIZOTHROMBIN, 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.

1a0h__assembly_1__model_1

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

Download this curve (.dat)

1a0h__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1a0h__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	30.77 Å
Rg (electron density)	30.51 Å
Total Rg	31.16 Å
Atom count	6814
Residues	836
Excluded volume	119840 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1a0h__assembly_1__model_1`	tetrameric （4）	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	MEIZOTHROMBIN
Molecular weight formula_weight	17868.3 kDa
EC 编号 ec_number	3.4.21.5
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,D
Atom count atom_count	6901

SPLLETCVPDRGREYRGRLAVTTHGSRCLAWSSEQAKALSKDQDFNPAVPLAENFCRNPDGDEEGAWCYVADQPGDFEYCDLNYCEEPVDGDLGDRLGEDPDPDAAIEGRTSEDHFQPFFNEKTFGAGEADCGLRPLFEKKQVQDQTEKELFESYIEGR

Entity 2 Entity 2 polymer

Description description	MEIZOTHROMBIN
Molecular weight formula_weight	29772.4 kDa
EC 编号 ec_number	3.4.21.5
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

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

IVEGQDAEVGLSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTVDDLLVRIGKHSRTRYERKVEKISMLDKIYIHPRYNWKENLDRDIALLKLKRPIELSDYIHPVCLPDKQTAAKLLHAGFKGRVTGWGNRRETWTTSVAEVQPSVLQVVNLPLVERPVCKASTRIRITDNMFCAGYKPGEGKRGDACEGDSGGPFVMKSPYNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDRLGS

Entity 3 Entity 3 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide
Molecular weight formula_weight	454.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	87

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6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1a0h.1
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.2 — Eukaryotic proteases

Domain ID domain_id	d1a0h.2
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.2 — Eukaryotic proteases

Domain ID domain_id	d1a0ha1
Class class	g — Small proteins
Fold Fold fold	g.14 — Kringle-like
Superfamily Superfamily superfamily	g.14.1 — Kringle-like
Family Family family	g.14.1.1 — Kringle modules

Domain ID domain_id	d1a0hd1
Class class	g — Small proteins
Fold Fold fold	g.14 — Kringle-like
Superfamily Superfamily superfamily	g.14.1 — Kringle-like
Family Family family	g.14.1.1 — Kringle modules

CATH v4.4 (8 domains)

Domain ID domain_id	1a0hA01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	20 — Plasminogen Kringle 4
Homologous superfamily homologous superfamily	10 — Plasminogen Kringle 4

Domain ID domain_id	1a0hA02
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	140 — Epsilon-Thrombin; Chain L
Homologous superfamily homologous superfamily	10 — Thrombin light chain domain

Domain ID domain_id	1a0hB01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	1a0hB02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	1a0hD01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	20 — Plasminogen Kringle 4
Homologous superfamily homologous superfamily	10 — Plasminogen Kringle 4

Domain ID domain_id	1a0hD02
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	140 — Epsilon-Thrombin; Chain L
Homologous superfamily homologous superfamily	10 — Thrombin light chain domain

Domain ID domain_id	1a0hE01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	1a0hE02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

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Unit-cell length a length_a	186.150 Å
Unit-cell length b length_b	186.150 Å
Unit-cell length c length_c	120.290 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	16

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

Resolution resolution	3.200 Å
Low-resolution limit resolution_low	7.000 Å
R factor r_factor	0.2050
R_work r_work	0.2050
R_free r_free	0.2420

THE X-RAY CRYSTAL STRUCTURE OF PPACK-MEIZOTHROMBIN DESF1: KRINGLE/THROMBIN AND CARBOHYDRATE/KRINGLE/THROMBIN INTERACTIONS AND LOCATION OF THE LINKER CHAIN

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

MEIZOTHROMBIN

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

1a0h__assembly_1__model_1

1a0h__assembly_1__model_1 | I(q)

1a0h__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 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. Citations (1)

THE X-RAY CRYSTAL STRUCTURE OF PPACK-MEIZOTHROMBIN DESF1: KRINGLE/THROMBIN AND CARBOHYDRATE/KRINGLE/THROMBIN INTERACTIONS AND LOCATION OF THE LINKER CHAIN

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

MEIZOTHROMBIN

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

1a0h__assembly_1__model_1

1a0h__assembly_1__model_1 | I(q)

1a0h__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 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. Citations (1)