SAXSdb — 2mf6

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

Avidin, Avidin-related protein 4/5

Gallus gallus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 4	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AVID_CHICK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–40； UniProt 25–61 Author chain A； PDBConstruct 62–129； UniProt 85–152 Author chain B； PDBConstruct 4–40； UniProt 25–61 Author chain B； PDBConstruct 62–129； UniProt 85–152 Author chain C； PDBConstruct 4–40； UniProt 25–61 Author chain C； PDBConstruct 62–129； UniProt 85–152 Author chain D； PDBConstruct 4–40； UniProt 25–61 Author chain D； PDBConstruct 62–129； UniProt 85–152

Avidin, Avidin-related protein 4/5

Gallus gallus

UniProt P56734

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 4	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AVR4_CHICK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 41–61； UniProt 62–82 Author chain B； PDBConstruct 41–61； UniProt 62–82 Author chain C； PDBConstruct 41–61； UniProt 62–82 Author chain D； PDBConstruct 41–61； UniProt 62–82

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	2mf6
Deposition date deposition_date	2013-10-07
Structure title title	Solution NMR structure of Chimeric Avidin, ChiAVD(I117Y), in the biotin bound form
Keywords keywords	BIOTIN BINDING PROTEIN; BIOTIN BINDING PROTEIN
Experimental Method method	SOLUTION NMR

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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.

2mf6__assembly_1__model_7

Assembly 1 · Model 7 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2mf6__assembly_1__model_7 | I(q)

100 plotted points; both axes use logarithmic scales.

2mf6__assembly_1__model_7 | P(r) · Pending

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

Rg（Guinier）	24.44 Å
Rg (electron density)	23.04 Å
Total Rg	24.21 Å
Atom count	8072
Residues	516
Excluded volume	71756 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2mf6__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`2mf6__assembly_1__model_2`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`2mf6__assembly_1__model_3`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`2mf6__assembly_1__model_4`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`2mf6__assembly_1__model_5`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`2mf6__assembly_1__model_6`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`2mf6__assembly_1__model_7`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`2mf6__assembly_1__model_8`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`2mf6__assembly_1__model_9`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`2mf6__assembly_1__model_10`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	11	`2mf6__assembly_1__model_11`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	12	`2mf6__assembly_1__model_12`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	13	`2mf6__assembly_1__model_13`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	14	`2mf6__assembly_1__model_14`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	15	`2mf6__assembly_1__model_15`	tetrameric （4）	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 (1)

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6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d2mf6a1
Class class	b — All beta proteins
Fold Fold fold	b.61 — Streptavidin-like
Superfamily Superfamily superfamily	b.61.1 — Avidin/streptavidin
Family Family family	b.61.1.1 — Avidin/streptavidin

Domain ID domain_id	d2mf6a2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2mf6b1
Class class	b — All beta proteins
Fold Fold fold	b.61 — Streptavidin-like
Superfamily Superfamily superfamily	b.61.1 — Avidin/streptavidin
Family Family family	b.61.1.1 — Avidin/streptavidin

Domain ID domain_id	d2mf6b2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2mf6c1
Class class	b — All beta proteins
Fold Fold fold	b.61 — Streptavidin-like
Superfamily Superfamily superfamily	b.61.1 — Avidin/streptavidin
Family Family family	b.61.1.1 — Avidin/streptavidin

Domain ID domain_id	d2mf6c2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2mf6d1
Class class	b — All beta proteins
Fold Fold fold	b.61 — Streptavidin-like
Superfamily Superfamily superfamily	b.61.1 — Avidin/streptavidin
Family Family family	b.61.1.1 — Avidin/streptavidin

Domain ID domain_id	d2mf6d2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id	2mf6A00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	128 — Lipocalin
Homologous superfamily homologous superfamily	30 — Avidin-like

Domain ID domain_id	2mf6B00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	128 — Lipocalin
Homologous superfamily homologous superfamily	30 — Avidin-like

Domain ID domain_id	2mf6C00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	128 — Lipocalin
Homologous superfamily homologous superfamily	30 — Avidin-like

Domain ID domain_id	2mf6D00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	128 — Lipocalin
Homologous superfamily homologous superfamily	30 — Avidin-like

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Description description	Avidin, Avidin-related protein 4/5
Molecular weight formula_weight	14400.3 kDa
Mutation mutation	I117Y
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,D,B,C
Atom count atom_count	121080

Source organism organism	Gallus gallus
Common name common_name	chicken
NCBI taxonomy ID ncbi_taxonomy_id	9031
Host organism host_organism	Escherichia coli

Solution NMR structure of Chimeric Avidin, ChiAVD(I117Y), in the biotin bound form

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

Avidin, Avidin-related protein 4/5

State in the Current Structure

Other States of the Same Protein in the Database

Avidin, Avidin-related protein 4/5

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

2mf6__assembly_1__model_7

2mf6__assembly_1__model_7 | I(q)

2mf6__assembly_1__model_7 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (8 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Solution NMR structure of Chimeric Avidin, ChiAVD(I117Y), in the biotin bound form

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

Avidin, Avidin-related protein 4/5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Avidin, Avidin-related protein 4/5

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

2mf6__assembly_1__model_7

2mf6__assembly_1__model_7 | I(q)

2mf6__assembly_1__model_7 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (8 domains)

CATH v4.4 (4 domains)

7. Citations (1)