1ifw

SOLUTION STRUCTURE OF C-TERMINAL DOMAIN OF POLY(A) BINDING PROTEIN FROM SACCHAROMYCES CEREVISIAE

Method: SOLUTION NMR

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

POLYADENYLATE-BINDING PROTEIN, CYTOPLASMIC AND NUCLEAR

Saccharomyces cerevisiae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PABP_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–92； UniProt 490–576

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	1ifw
Deposition date deposition_date	2001-04-13
Structure title title	SOLUTION STRUCTURE OF C-TERMINAL DOMAIN OF POLY(A) BINDING PROTEIN FROM SACCHAROMYCES CEREVISIAE
Keywords keywords	all-helical domain, RNA BINDING PROTEIN; RNA 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.

1ifw__assembly_1__model_17

Assembly 1 · Model 17 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1ifw__assembly_1__model_17 | I(q)

100 plotted points; both axes use logarithmic scales.

1ifw__assembly_1__model_17 | P(r) · Pending

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

Rg（Guinier）	19.57 Å
Rg (electron density)	18.56 Å
Total Rg	19.48 Å
Atom count	1440
Residues	92
Excluded volume	12870 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ifw__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`1ifw__assembly_1__model_2`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`1ifw__assembly_1__model_3`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`1ifw__assembly_1__model_4`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`1ifw__assembly_1__model_5`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`1ifw__assembly_1__model_6`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`1ifw__assembly_1__model_7`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`1ifw__assembly_1__model_8`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`1ifw__assembly_1__model_9`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`1ifw__assembly_1__model_10`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	11	`1ifw__assembly_1__model_11`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	12	`1ifw__assembly_1__model_12`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	13	`1ifw__assembly_1__model_13`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	14	`1ifw__assembly_1__model_14`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	15	`1ifw__assembly_1__model_15`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	16	`1ifw__assembly_1__model_16`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	17	`1ifw__assembly_1__model_17`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	18	`1ifw__assembly_1__model_18`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	19	`1ifw__assembly_1__model_19`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	20	`1ifw__assembly_1__model_20`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	21	`1ifw__assembly_1__model_21`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	22	`1ifw__assembly_1__model_22`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	23	`1ifw__assembly_1__model_23`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	24	`1ifw__assembly_1__model_24`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	25	`1ifw__assembly_1__model_25`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	26	`1ifw__assembly_1__model_26`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	27	`1ifw__assembly_1__model_27`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	28	`1ifw__assembly_1__model_28`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	29	`1ifw__assembly_1__model_29`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	30	`1ifw__assembly_1__model_30`	monomeric （1）	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) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1ifwa1
Class class	a — All alpha proteins
Fold Fold fold	a.144 — PABP domain-like
Superfamily Superfamily superfamily	a.144.1 — PABC (PABP) domain
Family Family family	a.144.1.1 — PABC (PABP) domain

Domain ID domain_id	d1ifwa2
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 (1 domains)

Domain ID domain_id	1ifwA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1900 — c-terminal domain of poly(a) binding protein
Homologous superfamily homologous superfamily	10 — c-terminal domain of poly(a) binding protein

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Description description	POLYADENYLATE-BINDING PROTEIN, CYTOPLASMIC AND NUCLEAR
Molecular weight formula_weight	10445.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	43200

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	Escherichia coli

SOLUTION STRUCTURE OF C-TERMINAL DOMAIN OF POLY(A) BINDING PROTEIN FROM SACCHAROMYCES CEREVISIAE

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

POLYADENYLATE-BINDING PROTEIN, CYTOPLASMIC AND NUCLEAR

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

1ifw__assembly_1__model_17

1ifw__assembly_1__model_17 | I(q)

1ifw__assembly_1__model_17 | 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) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)

SOLUTION STRUCTURE OF C-TERMINAL DOMAIN OF POLY(A) BINDING PROTEIN FROM SACCHAROMYCES CEREVISIAE

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

POLYADENYLATE-BINDING PROTEIN, CYTOPLASMIC AND NUCLEAR

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

1ifw__assembly_1__model_17

1ifw__assembly_1__model_17 | I(q)

1ifw__assembly_1__model_17 | 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) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)