SAXSdb — 8jpx

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

Protein argonaute

Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–DNA	Homooligomer	Protein 2 DNA 6	Guide DNA × 2 Target DNA × 2 Excess DNA × 2 MAGNESIUM ION × 6	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AGO_PYRFU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–770； UniProt 1–770 Author chain B； PDBConstruct 1–770； UniProt 1–770

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	8jpx
Deposition date deposition_date	2023-06-13
Structure title title	Cryo-EM structure of PfAgo-guide DNA-target DNA complex
Keywords keywords	nuclease, GENE REGULATION; GENE REGULATION
Experimental Method method	ELECTRON MICROSCOPY

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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.

8jpx__assembly_1__model_1

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

Download this curve (.dat)

8jpx__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8jpx__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	37.30 Å
Rg (electron density)	36.80 Å
Total Rg	37.33 Å
Atom count	14362
Residues	1620
Excluded volume	254790 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8jpx__assembly_1__model_1`	octameric （8）	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 (5)

Entity 1 Entity 1 polymer

Description description	Protein argonaute
Molecular weight formula_weight	90510.1 kDa
EC 编号 ec_number	3.1.24.-
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,A
Atom count atom_count	14362

MKAIVVINLVKINKKIIPDKIYVYRLFNDPEEELQKEGYSIYRLAYENVGIVIDPENLIIATTKELEYEGEFIPEGEISFSELRNDYQSKLVLRLLKENGIGEYELSKLLRKFRKPKTFGDYKVIPSVEMSVIKHDEDFYLVIHIIHQIQSMKTLWELVNKDPKELEEFLMTHKENLMLKDIASPLKTVYKPCFEEYTKKPKLDHNQEIVKYWYNYHIERYWNTPEAKLEFYRKFGQVDLKQPAILAKFASKIKKNKNYKIYLLPQLVVPTYNAEQLESDVAKEILEYTKLMPEERKELLENILAEVDSDIIDKSLSEIEVEKIAQELENKIRVRDDKGNSVPISQLNVQKSQLLLWTNYSRKYPVILPYEVPEKFRKIREIPMFIILDSGLLADIQNFATNEFRELVKSMYYSLAKKYNSLAKKARSTNEIGLPFLDFRGKEKVITEDLNSDKGIIEVVEQVSSFMKGKELGLAFIAARNKLSSEKFEEIKRRLFNLNVISQVVNEDTLKNKRDKYDRNRLDLFVRHNLLFQVLSKLGVKYYVLDYRFNYDYIIGIDVAPMKRSEGYIGGSAVMFDSQGYIRKIVPIKIGEQRGESVDMNEFFKEMVDKFKEFNIKLDNKKILLLRDGRITNNEEEGLKYISEMFDIEVVTMDVIKNHPVRAFANMKMYFNLGGAIYLIPHKLKQAKGTPIPIKLAKKRIIKNGKVEKQSITRQDVLDIFILTRLNYGSISADMRLPAPVHYAHKFANAIRNEWKIKEEFLAEGFLYFV

Source Source

Source organism organism	Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)
NCBI taxonomy ID ncbi_taxonomy_id	186497
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	Guide DNA
Molecular weight formula_weight	5337.5 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	H,G

TGAGGTAGTAGGTTGTA

Entity 3 Entity 3 polymer

Description description	Target DNA
Molecular weight formula_weight	5075.3 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	U,T

ACAACCTACTACCTCAT

Entity 4 Entity 4 polymer

Description description	Excess DNA
Molecular weight formula_weight	1780.2 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	E,F

TTTTTT

Entity 5 Entity 5 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	6

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	—

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

Resolution resolution	2.90 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	621102

Cryo-EM structure of PfAgo-guide DNA-target DNA complex

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

Protein argonaute

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

8jpx__assembly_1__model_1

8jpx__assembly_1__model_1 | I(q)

8jpx__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Entity 5 Entity 5 non-polymer

7. Citations (1)

Cryo-EM structure of PfAgo-guide DNA-target DNA complex

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

Protein argonaute

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

8jpx__assembly_1__model_1

8jpx__assembly_1__model_1 | I(q)

8jpx__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Entity 5 Entity 5 non-polymer

7. Citations (1)