SAXSdb — 7xmk

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

Receptor-interacting serine/threonine-protein kinase 1

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	IODIDE ION × 2 5-[2-(cyclopropylcarbonylamino)-[1,2,4]triazolo[1,5-a]pyridin-7-yl]-N-[(1S)-1-(3-fluorophenyl)ethyl]-1-methyl-indole-3-carboxamide × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RIPK1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–294； UniProt 1–294 Author chain B； PDBConstruct 1–294； UniProt 1–294

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	7xmk
Deposition date deposition_date	2022-04-26
Structure title title	Crystal structure of human RIPK1 kinase domain in complex with compound SKLB923
Keywords keywords	RIPK1, kinase, complex, inhibitor, TRANSFERASE; TRANSFERASE
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.

7xmk__assembly_1__model_1

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

Download this curve (.dat)

7xmk__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7xmk__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.07 Å
Rg (electron density)	27.12 Å
Total Rg	28.03 Å
Atom count	4242
Residues	511
Excluded volume	75744 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7xmk__assembly_1__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 (4)

Entity 1 Entity 1 polymer

Description description	Receptor-interacting serine/threonine-protein kinase 1
Molecular weight formula_weight	33468.7 kDa
EC 编号 ec_number	2.7.11.1
Mutation mutation	C34A,C127A,C233A,C240A
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4383

MQPDMSLNVIKMKSSDFLESAELDSGGFGKVSLAFHRTQGLMIMKTVYKGPNCIEHNEALLEEAKMMNRLRHSRVVKLLGVIIEEGKYSLVMEYMEKGNLMHVLKAEMSTPLSVKGRIILEIIEGMAYLHGKGVIHKDLKPENILVDNDFHIKIADLGLASFKMWSKLNNEEHNELREVDGTAKKNGGTLYYMAPEHLNDVNAKPTEKSDVYSFAVVLWAIFANKEPYENAIAEQQLIMAIKSGNRPDVDDITEYCPREIISLMKLCWEANPEARPTFPGIEEKFRPFYLSQLE

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

Entity 2 Entity 2 non-polymer

Description description	IODIDE ION
Molecular weight formula_weight	126.9 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	5-[2-(cyclopropylcarbonylamino)-[1,2,4]triazolo[1,5-a]pyridin-7-yl]-N-[(1S)-1-(3-fluorophenyl)ethyl]-1-methyl-indole-3-carboxamide
Molecular weight formula_weight	496.5 kDa
Source method src_method	nat
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	141

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Unit-cell length a length_a	48.885 Å
Unit-cell length b length_b	100.904 Å
Unit-cell length c length_c	127.594 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	2.376 Å
Low-resolution limit resolution_low	30.415 Å
R factor r_factor	0.2260
R_work r_work	0.2243
R_free r_free	0.2585

Crystal structure of human RIPK1 kinase domain in complex with compound SKLB923

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

Receptor-interacting serine/threonine-protein kinase 1

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

7xmk__assembly_1__model_1

7xmk__assembly_1__model_1 | I(q)

7xmk__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)

Crystal structure of human RIPK1 kinase domain in complex with compound SKLB923

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

Receptor-interacting serine/threonine-protein kinase 1

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

7xmk__assembly_1__model_1

7xmk__assembly_1__model_1 | I(q)

7xmk__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)