SAXSdb — 5ol6

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

Nucleic acid binding, OB-fold, tRNA/helicase-type,DNA-directed DNA polymerase

Nostoc punctiforme (strain ATCC 29133 / PCC 73102)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	B2J066_NOSP7
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 44–144； UniProt 776–876 Author chain B； PDBConstruct 44–144； UniProt 776–876

Nucleic acid binding, OB-fold, tRNA/helicase-type,DNA-directed DNA polymerase

Nostoc punctiforme (strain ATCC 29133 / PCC 73102)

UniProt B2J821

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	B2J821_NOSP7
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–37； UniProt 3–37 Author chain B； PDBConstruct 3–37； UniProt 3–37

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	5ol6
Deposition date deposition_date	2017-07-26
Structure title title	Crystal structure of an inactivated Npu SICLOPPS intein with CAFHPQ extein
Keywords keywords	intein, extein, SICLOPPS, cyclic peptide, SPLICING; SPLICING
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.

5ol6__assembly_1__model_1

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

Download this curve (.dat)

5ol6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5ol6__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.23 Å
Rg (electron density)	19.49 Å
Total Rg	20.38 Å
Atom count	2346
Residues	290
Excluded volume	41643 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5ol6__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 (2)

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Unit-cell length a length_a	50.963 Å
Unit-cell length b length_b	69.708 Å
Unit-cell length c length_c	73.347 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	41.852 Å
R factor r_factor	0.2039
R_work r_work	0.2019
R_free r_free	0.2427

Description description	Nucleic acid binding, OB-fold, tRNA/helicase-type,DNA-directed DNA polymerase
Molecular weight formula_weight	17406.7 kDa
EC 编号 ec_number	2.7.7.7,2.7.7.7
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2386

Crystal structure of an inactivated Npu SICLOPPS intein with CAFHPQ extein

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

Nucleic acid binding, OB-fold, tRNA/helicase-type,DNA-directed DNA polymerase

State in the Current Structure

Other States of the Same Protein in the Database

Nucleic acid binding, OB-fold, tRNA/helicase-type,DNA-directed DNA polymerase

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

5ol6__assembly_1__model_1

5ol6__assembly_1__model_1 | I(q)

5ol6__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

7. Citations (1)

Source organism organism	Nostoc punctiforme (strain ATCC 29133 / PCC 73102)
NCBI taxonomy ID ncbi_taxonomy_id	63737
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	40

Crystal structure of an inactivated Npu SICLOPPS intein with CAFHPQ extein

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

Nucleic acid binding, OB-fold, tRNA/helicase-type,DNA-directed DNA polymerase

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Nucleic acid binding, OB-fold, tRNA/helicase-type,DNA-directed DNA polymerase

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

5ol6__assembly_1__model_1

5ol6__assembly_1__model_1 | I(q)

5ol6__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

7. Citations (1)