SAXSdb — 6t7h

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

Thrombin light chain

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	2-acetamido-2-deoxy-beta-D-glucopyranose × 1 1,2-ETHANEDIOL × 2 ;(14S,17R)-14-(3-carbamimidamidopropyl)-3-(furan-2-ylmethyl)-5,12,15-tris(oxidanylidene)-19-thia-3,6,13,16-tetrazatricyclo[19.4.0.0^{6,10}]pentacosa-1(25),7,9,21,23-pentaene-17-carboxamide ; × 1 SODIUM ION × 1 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	2-acetamido-2-deoxy-beta-D-glucopyranose × 1 1,2-ETHANEDIOL × 1 ;(14S,17R)-14-(3-carbamimidamidopropyl)-3-(furan-2-ylmethyl)-5,12,15-tris(oxidanylidene)-19-thia-3,6,13,16-tetrazatricyclo[19.4.0.0^{6,10}]pentacosa-1(25),7,9,21,23-pentaene-17-carboxamide ; × 1 SODIUM ION × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	THRB_HUMAN
Isoform	—
PDB entities	1, 2
Chains and sequence ranges	Author chain A； PDBConstruct 1–36； UniProt 328–363 Author chain L； PDBConstruct 1–36； UniProt 328–363 Author chain B； PDBConstruct 1–259； UniProt 364–622 Author chain H； PDBConstruct 1–259； UniProt 364–622

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	6t7h
Deposition date deposition_date	2019-10-22
Structure title title	Crystal structure of Thrombin in complex with macrocycle N14-PR4-A
Keywords keywords	serine protease, blood clotting factor, inhibition, macrocycle, HYDROLASE; HYDROLASE
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.

6t7h__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

6t7h__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6t7h__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	19.14 Å
Rg (electron density)	17.97 Å
Total Rg	18.98 Å
Atom count	2410
Residues	291
Excluded volume	42915 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6t7h__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`6t7h__assembly_2__model_1`	dimeric （2）	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 (7)

Entity 1 Entity 1 polymer

Description description	Thrombin light chain
Molecular weight formula_weight	4096.5 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,L
Atom count atom_count	5024

TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR

Entity 2 Entity 2 polymer

Description description	Thrombin heavy chain
Molecular weight formula_weight	29780.2 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,H

IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE

Entity 3 Entity 3 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 5 Entity 5 non-polymer

Description description	;(14S,17R)-14-(3-carbamimidamidopropyl)-3-(furan-2-ylmethyl)-5,12,15-tris(oxidanylidene)-19-thia-3,6,13,16-tetrazatricyclo[19.4.0.0^{6,10}]pentacosa-1(25),7,9,21,23-pentaene-17-carboxamide ;
Molecular weight formula_weight	622.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 6 Entity 6 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	153

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	6t7hB01
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	6t7hH01
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	64.664 Å
Unit-cell length b length_b	101.343 Å
Unit-cell length c length_c	119.129 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 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.320 Å
Low-resolution limit resolution_low	29.960 Å
R factor r_factor	0.1962
R_work r_work	0.1939
R_free r_free	0.2392

Crystal structure of Thrombin in complex with macrocycle N14-PR4-A

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

Thrombin light chain

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

6t7h__assembly_2__model_1

6t7h__assembly_2__model_1 | I(q)

6t7h__assembly_2__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of Thrombin in complex with macrocycle N14-PR4-A

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

Thrombin light chain

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

6t7h__assembly_2__model_1

6t7h__assembly_2__model_1 | I(q)

6t7h__assembly_2__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)