SAXSdb — 5yn5

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

nsp16 protein

Human betacoronavirus 2c EMC/2012

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	nsp10 protein × 1 （K4LC41） ZINC ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	K0BWD0_9BETC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–303； UniProt 6776–7078

nsp10 protein

Human betacoronavirus 2c EMC/2012

UniProt K4LC41

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	nsp16 protein × 1 （K0BWD0） ZINC ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	K4LC41_9BETC
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–140； UniProt 4238–4377

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	5yn5
Deposition date deposition_date	2017-10-24
Structure title title	Crystal structure of MERS-CoV nsp10/nsp16 complex
Keywords keywords	;2'-O-MTase, 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.

5yn5__assembly_1__model_1

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

Download this curve (.dat)

5yn5__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5yn5__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.19 Å
Rg (electron density)	22.16 Å
Total Rg	23.05 Å
Atom count	3116
Residues	413
Excluded volume	55656 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5yn5__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	nsp16 protein
Molecular weight formula_weight	33737.6 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	3321

ASADWKPGHAMPSLFKVQNVNLERCELANYKQSIPMPRGVHMNIAKYMQLCQYLNTCTLAVPANMRVIHFGAGSDKGIAPGTSVLRQWLPTDAIIIDNDLNEFVSDADITLFGDCVTVRVGQQVDLVISDMYDPTTKNVTGSNESKALFFTYLCNLINNNLALGGSVAIKITEHSWSVELYELMGKFAWWTVFCTNANASSSEGFLLGINYLGTIKENIDGGAMHANYIFWRNSTPMNLSTYSLFDLSKFQLKLKGTPVLQLKESQINELVISLLSQGKLLIRDNDTLSVSTDVLVNTYRKLR

Source Source

Source organism organism	Human betacoronavirus 2c EMC/2012
NCBI taxonomy ID ncbi_taxonomy_id	1235996
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	nsp10 protein
Molecular weight formula_weight	14902.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

AGSNTEFASNSSVLSLVNFTVDPQKAYLDFVNAGGAPLTNCVKMLTPKTGTGIAISVKPESTADQETYGGASVCLYCRAHIEHPDVSGVCKYKGKFVQIPAQCVRDPVGFCLSNTPCNVCQYWIGYGCNCDSLRQAALPQ

Source Source

Source organism organism	Human betacoronavirus 2c EMC/2012
NCBI taxonomy ID ncbi_taxonomy_id	1235996
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 3 Entity 3 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
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	205

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d5yn5a_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamily	c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family family	c.66.1.25 — mRNA cap methylase

Domain ID domain_id	d5yn5b_
Class class	g — Small proteins
Fold Fold fold	g.86 — Coronavirus NSP10-like
Superfamily Superfamily superfamily	g.86.1 — Coronavirus NSP10-like
Family Family family	g.86.1.1 — Coronavirus NSP10-like

CATH v4.4 (1 domains)

Domain ID domain_id	5yn5A00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	150 — Vaccinia Virus protein VP39

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Unit-cell length a length_a	66.754 Å
Unit-cell length b length_b	70.527 Å
Unit-cell length c length_c	119.254 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	4

Space group space_group	P 21 2 21
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.960 Å
Low-resolution limit resolution_low	45.534 Å
R factor r_factor	0.1825
R_work r_work	0.1809
R_free r_free	0.2142

Crystal structure of MERS-CoV nsp10/nsp16 complex

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

nsp16 protein

State in the Current Structure

Other States of the Same Protein in the Database

nsp10 protein

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

5yn5__assembly_1__model_1

5yn5__assembly_1__model_1 | I(q)

5yn5__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 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Crystal structure of MERS-CoV nsp10/nsp16 complex

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

nsp16 protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

nsp10 protein

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

5yn5__assembly_1__model_1

5yn5__assembly_1__model_1 | I(q)

5yn5__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 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)