SAXSdb — 7jvv

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

Histone deacetylase 8

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	ACE-ARG-HIS-ALY-ALY-MCM × 1 1,2-ETHANEDIOL × 4 ZINC ION × 1 POTASSIUM ION × 2 GLYCEROL × 1 water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	ACE-ARG-HIS-ALY-ALY-MCM × 1 1,2-ETHANEDIOL × 4 ZINC ION × 1 POTASSIUM ION × 2 GLYCEROL × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HDAC8_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–377； UniProt 1–377 Author chain B； PDBConstruct 1–377； UniProt 1–377

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	7jvv
Deposition date deposition_date	2020-08-24
Structure title title	Crystal structure of human histone deacetylase 8 (HDAC8) E66D/Y306F double mutation complexed with a tetrapeptide substrate
Keywords keywords	Histone deacetylase, Hydrolase, Cornelia de Lange Syndrome (CdLS); 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.

7jvv__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

7jvv__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7jvv__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	20.34 Å
Rg (electron density)	19.17 Å
Total Rg	20.02 Å
Atom count	2844
Residues	364
Excluded volume	50949 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7jvv__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`7jvv__assembly_2__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 (7)

Entity 1 Entity 1 polymer

Description description	Histone deacetylase 8
Molecular weight formula_weight	43202.0 kDa
EC 编号 ec_number	3.5.1.98
Mutation mutation	E66D/Y306F
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	6201

MEEPEEPADSGQSLVPVYIYSPEYVSMCDSLAKIPKRASMVHSLIEAYALHKQMRIVKPKVASMEDMATFHTDAYLQHLQKVSQEGDDDHPDSIEYGLGYDCPATEGIFDYAAAIGGATITAAQCLIDGMCKVAINWSGGWHHAKKDEASGFCYLNDAVLGILRLRRKFERILYVDLDLHHGDGVEDAFSFTSKVMTVSLHKFSPGFFPGTGDVSDVGLGKGRYYSVNVPIQDGIQDEKYYQICESVLKEVYQAFNPKAVVLQLGADTIAGDPMCSFNMTPVGIGKCLKYILQWQLATLILGGGGFNLANTARCWTYLTGVILGKTLSSEIPDHEFFTAYGPDYVLEITPSCRPDRNEPHRIQQILNYIKGNLKHVVIEGRGSHHHHHH

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	ACE-ARG-HIS-ALY-ALY-MCM
Molecular weight formula_weight	837.0 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,D

XRHKKX

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 4 Entity 4 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	POTASSIUM ION
Molecular weight formula_weight	39.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 6 Entity 6 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	447

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d7jvva_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.42 — Arginase/deacetylase
Superfamily Superfamily superfamily	c.42.1 — Arginase/deacetylase
Family Family family	c.42.1.2 — Histone deacetylase, HDAC

Domain ID domain_id	d7jvvb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.42 — Arginase/deacetylase
Superfamily Superfamily superfamily	c.42.1 — Arginase/deacetylase
Family Family family	c.42.1.2 — Histone deacetylase, HDAC

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Unit-cell length a length_a	82.048 Å
Unit-cell length b length_b	97.470 Å
Unit-cell length c length_c	104.254 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	orthorhombic

Resolution resolution	1.840 Å
Low-resolution limit resolution_low	45.970 Å
R factor r_factor	0.1660
R_work r_work	0.1640
R_free r_free	0.1970

Crystal structure of human histone deacetylase 8 (HDAC8) E66D/Y306F double mutation complexed with a tetrapeptide substrate

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

Histone deacetylase 8

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

7jvv__assembly_2__model_1

7jvv__assembly_2__model_1 | I(q)

7jvv__assembly_2__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

7. Citations (1)

Crystal structure of human histone deacetylase 8 (HDAC8) E66D/Y306F double mutation complexed with a tetrapeptide substrate

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

Histone deacetylase 8

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

7jvv__assembly_2__model_1

7jvv__assembly_2__model_1 | I(q)

7jvv__assembly_2__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

7. Citations (1)