SAXSdb — 6g0y

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

Matrix M2-1

Human respiratory syncytial virus A (strain A2)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 8	Phosphoprotein × 4 （P03421） ZINC ION × 4 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	M21_HRSVA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–194； UniProt 1–194 Author chain C； PDBConstruct 1–194； UniProt 1–194 Author chain E； PDBConstruct 1–194； UniProt 1–194 Author chain F； PDBConstruct 1–194； UniProt 1–194

Phosphoprotein

OrganismNot specified

UniProt P03421

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 8	Matrix M2-1 × 4 （P04545） ZINC ION × 4 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PHOSP_HRSVA
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain G； PDBConstruct 1–21； UniProt 90–110 Author chain H； PDBConstruct 1–21； UniProt 90–110 Author chain I； PDBConstruct 1–21； UniProt 90–110 Author chain J； PDBConstruct 1–21； UniProt 90–110

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	6g0y
Deposition date deposition_date	2018-03-20
Structure title title	X-ray structure of M-21 protein complex
Keywords keywords	HRSV, antitermination, transcription, replication, VIRAL PROTEIN; VIRAL PROTEIN
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.

6g0y__assembly_1__model_1

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

Download this curve (.dat)

6g0y__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6g0y__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.12 Å
Rg (electron density)	27.23 Å
Total Rg	28.07 Å
Atom count	5794
Residues	714
Excluded volume	103860 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6g0y__assembly_1__model_1`	octameric （8）	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	Matrix M2-1
Molecular weight formula_weight	22190.3 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,A,C,E
Atom count atom_count	6023

MSRRNPCKFEIRGHCLNGKRCHFSHNYFEWPPHALLVRQNFMLNRILKSMDKSIDTLSEISGAAELDRTEEYALGVVGVLESYIGSINNITKQSACVAMSKLLTELNSDDIKKLRDNEELNSPKIRVYNTVISYIESNRKNNKQTIHLLKRLPADVLKKTIKNTLDIHKSITINNPKESTVSDTNDHAKNNDTT

Source Source

Source organism organism	Human respiratory syncytial virus A (strain A2)
NCBI taxonomy ID ncbi_taxonomy_id	11259
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	Phosphoprotein
Molecular weight formula_weight	2446.6 kDa
Source method src_method	syn
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H,G,J,I

DPTPSDNPFSKLYKETIETFD

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	4

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	229

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	6g0yA00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	1350 — Pneumovirus matrix protein 2 (M2), zinc-binding domain

Domain ID domain_id	6g0yC00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	1350 — Pneumovirus matrix protein 2 (M2), zinc-binding domain

Domain ID domain_id	6g0yE00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	1350 — Pneumovirus matrix protein 2 (M2), zinc-binding domain

Domain ID domain_id	6g0yF00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	1350 — Pneumovirus matrix protein 2 (M2), zinc-binding domain

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Unit-cell length a length_a	96.555 Å
Unit-cell length b length_b	116.524 Å
Unit-cell length c length_c	72.630 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 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.420 Å
Low-resolution limit resolution_low	74.350 Å
R factor r_factor	0.2228
R_work r_work	0.2199
R_free r_free	0.2803

X-ray structure of M-21 protein complex

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

Matrix M2-1

State in the Current Structure

Other States of the Same Protein in the Database

Phosphoprotein

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

6g0y__assembly_1__model_1

6g0y__assembly_1__model_1 | I(q)

6g0y__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

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

X-ray structure of M-21 protein complex

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

Matrix M2-1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Phosphoprotein

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

6g0y__assembly_1__model_1

6g0y__assembly_1__model_1 | I(q)

6g0y__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

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)