SAXSdb — 11ba

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

PROTEIN (RIBONUCLEASE, SEMINAL)

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	SULFATE ION × 3 URIDYLYL-2'-5'-PHOSPHO-ADENOSINE × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RNS_BOVIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–124； UniProt 27–150

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	11ba
Deposition date deposition_date	1999-03-17
Structure title title	BINDING OF A SUBSTRATE ANALOGUE TO A DOMAIN SWAPPING PROTEIN IN THE COMPLEX OF BOVINE SEMINAL RIBONUCLEASE WITH URIDYLYL-2',5'-ADENOSINE
Keywords keywords	;HYDROLASE, PHOSPHORIC DIESTER, RNA, 2'-5'-DINUCLEOTIDE ;; HYDROLASE
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.

11ba__assembly_1__model_1

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

Download this curve (.dat)

11ba__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

11ba__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.35 Å
Rg (electron density)	21.23 Å
Total Rg	21.90 Å
Atom count	1975
Residues	248
Excluded volume	34510 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`11ba__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	PROTEIN (RIBONUCLEASE, SEMINAL)
Molecular weight formula_weight	13632.6 kDa
EC 编号 ec_number	3.1.27.5
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2126

KESAAAKFERQHMDSGNSPSSSSNYCNLMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKNGQTNCYQSKSTMRITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	URIDYLYL-2'-5'-PHOSPHO-ADENOSINE
Molecular weight formula_weight	573.4 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	108

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d11baa_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.5 — RNase A-like
Superfamily Superfamily superfamily	d.5.1 — RNase A-like
Family Family family	d.5.1.1 — Ribonuclease A-like

Domain ID domain_id	d11bab_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.5 — RNase A-like
Superfamily Superfamily superfamily	d.5.1 — RNase A-like
Family Family family	d.5.1.1 — Ribonuclease A-like

CATH v4.4 (2 domains)

Domain ID domain_id	11baA00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	130 — P-30 Protein
Homologous superfamily homologous superfamily	10 — Ribonuclease A-like domain

Domain ID domain_id	11baB00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	130 — P-30 Protein
Homologous superfamily homologous superfamily	10 — Ribonuclease A-like domain

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Unit-cell length a length_a	49.450 Å
Unit-cell length b length_b	60.640 Å
Unit-cell length c length_c	50.750 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	117.35 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.060 Å
Low-resolution limit resolution_low	10.000 Å
R factor r_factor	—
R_work r_work	0.1840
R_free r_free	—

BINDING OF A SUBSTRATE ANALOGUE TO A DOMAIN SWAPPING PROTEIN IN THE COMPLEX OF BOVINE SEMINAL RIBONUCLEASE WITH URIDYLYL-2',5'-ADENOSINE

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

PROTEIN (RIBONUCLEASE, SEMINAL)

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

11ba__assembly_1__model_1

11ba__assembly_1__model_1 | I(q)

11ba__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (4)

BINDING OF A SUBSTRATE ANALOGUE TO A DOMAIN SWAPPING PROTEIN IN THE COMPLEX OF BOVINE SEMINAL RIBONUCLEASE WITH URIDYLYL-2',5'-ADENOSINE

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

PROTEIN (RIBONUCLEASE, SEMINAL)

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

11ba__assembly_1__model_1

11ba__assembly_1__model_1 | I(q)

11ba__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (4)