SAXSdb — 2xny

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

FIBRINOGEN ALPHA CHAIN

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	FIBRINOGEN BETA CHAIN × 1 （P02675） FIBRINOGEN GAMMA CHAIN × 1 （P02679）	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	FIBRINOGEN BETA CHAIN × 1 （P02675） FIBRINOGEN GAMMA CHAIN × 1 （P02679）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FIBA_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–87； UniProt 130–216 Author chain D； PDBConstruct 1–87； UniProt 130–216

FIBRINOGEN BETA CHAIN

OrganismNot specified

UniProt P02675

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	FIBRINOGEN ALPHA CHAIN × 1 （P02671） FIBRINOGEN GAMMA CHAIN × 1 （P02679）	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	FIBRINOGEN ALPHA CHAIN × 1 （P02671） FIBRINOGEN GAMMA CHAIN × 1 （P02679）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FIBB_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–328； UniProt 164–491 Author chain E； PDBConstruct 1–328； UniProt 164–491

FIBRINOGEN GAMMA CHAIN

OrganismNot specified

UniProt P02679

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	FIBRINOGEN ALPHA CHAIN × 1 （P02671） FIBRINOGEN BETA CHAIN × 1 （P02675）	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	FIBRINOGEN ALPHA CHAIN × 1 （P02671） FIBRINOGEN BETA CHAIN × 1 （P02675）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FIBG_HUMAN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–319； UniProt 114–432 Author chain F； PDBConstruct 1–319； UniProt 114–432

M PROTEIN

STREPTOCOCCUS PYOGENES

UniProt Q48WD8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
3	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q48WD8_STRP1
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain M； PDBConstruct 3–96； UniProt 42–135 Author chain N； PDBConstruct 3–96； UniProt 42–135

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	2xny
Deposition date deposition_date	2010-08-06
Structure title title	A fragment of streptococcal M1 protein in complex with human fibrinogen
Keywords keywords	CELL ADHESION, VIRULENCE FACTOR, STREPTOCOCCAL TOXIC SHOCK SYNDROME; CELL ADHESION
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.

2xny__assembly_2__model_1

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

Download this curve (.dat)

2xny__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2xny__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	31.42 Å
Rg (electron density)	31.53 Å
Total Rg	31.91 Å
Atom count	5166
Residues	643
Excluded volume	90727 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2xny__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2xny__assembly_2__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2xny__assembly_3__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	FIBRINOGEN ALPHA CHAIN
Molecular weight formula_weight	10245.0 kDa
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	10956

VSEDLRSRIEVLKRKVIEKVQHIQLLQKNVRAQLVDMKRLEVDIDIKIRSCRGSCSRALAREVDLKDYEDQQKQLEQVIAKDLLPSR

Entity 2 Entity 2 polymer

Description description	FIBRINOGEN BETA CHAIN
Molecular weight formula_weight	37692.0 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

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

DNENVVNEYSSELEKHQLYIDETVNSNIPTNLRVLRSILENLRSKIQKLESDVSAQMEYCRTPCTVSCNIPVVSGKECEEIIRKGGETSEMYLIQPDSSVKPYRVYCDMNTENGGWTVIQNRQDGSVDFGRKWDPYKQGFGNVATNTDGKNYCGLPGEYWLGNDKISQLTRMGPTELLIEMEDWKGDKVKAHYGGFTVQNEANKYQISVNKYRGTAGNALMDGASQLMGENRTMTIHNGMFFSTYDRDNDGWLTSDPRKQCSKEDGGGWWYNRCHAANPNGRYYWGGQYTWDMAKHGTDDGVVWMNWKGSWYSMRKMSMKIRPFFPQQ

Entity 3 Entity 3 polymer

Description description	FIBRINOGEN GAMMA CHAIN
Molecular weight formula_weight	36223.3 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,F

KMLEEIMKYEASILTHDSSIRYLQEIYNSNNQKIVNLKEKVAQLEAQCQEPCKDTVQIHDITGKDCQDIANKGAKQSGLYFIKPLKANQQFLVYCEIDGSGNGWTVFQKRLDGSVDFKKNWIQYKEGFGHLSPTGTTEFWLGNEKIHLISTQSAIPYALRVELEDWNGRTSTADYAMFKVGPEADKYRLTYAYFAGGDAGDAFDGFDFGDDPSDKFFTSHNGMQFSTWDNDNDKFEGNCAEQDGSGWWMNKCHAGHLNGVYYQGGTYSKASTPNGYDNGIIWATWKTRWYSMKKTTMKIIPFNRLTIGEGQQHHLGGAK

Entity 4 Entity 4 polymer

Description description	M PROTEIN
Molecular weight formula_weight	12066.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M,N

MVNGDGNPREVIEDLAANNPAIQNIRLRHENKDLKARLENAMEVAGRDFKRAEELEKAKQALEDQRKDLETKLKELQQDYDLAKESTSWDRQRLEKHHHHHH

Source Source

Source organism organism	STREPTOCOCCUS PYOGENES
NCBI taxonomy ID ncbi_taxonomy_id	1314
Host organism host_organism	ESCHERICHIA COLI

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Unit-cell length a length_a	165.687 Å
Unit-cell length b length_b	165.687 Å
Unit-cell length c length_c	289.652 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	7.500 Å
Low-resolution limit resolution_low	142.860 Å
R factor r_factor	0.4230
R_work r_work	0.4240
R_free r_free	0.4080

A fragment of streptococcal M1 protein in complex with human fibrinogen

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

FIBRINOGEN ALPHA CHAIN

State in the Current Structure

Other States of the Same Protein in the Database

FIBRINOGEN BETA CHAIN

State in the Current Structure

Other States of the Same Protein in the Database

FIBRINOGEN GAMMA CHAIN

State in the Current Structure

Other States of the Same Protein in the Database

M 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

2xny__assembly_2__model_1

2xny__assembly_2__model_1 | I(q)

2xny__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source

7. Citations (1)

A fragment of streptococcal M1 protein in complex with human fibrinogen

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

FIBRINOGEN ALPHA 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

FIBRINOGEN BETA 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

FIBRINOGEN GAMMA 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

M 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

2xny__assembly_2__model_1

2xny__assembly_2__model_1 | I(q)

2xny__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source

7. Citations (1)