8I17 | pdb_00008i17

Deposited: 2023-01-12 Released: 2023-02-22
Deposition Author(s): Huang, H., Li, Y.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

This is version 1.2 of the entry. See complete history.

(2023) Biochem Biophys Res Commun 651: 85-91

PubMed Abstract:
The human facilitates chromatin transcription (FACT) complex, consisting of Spt16 and SSRP1, is a versatile histone chaperone that can engage free H2A-H2B dimer and H3-H4 tetramer (or dimer), and partially unraveled nucleosome. The C-terminal domain of human Spt16 (hSpt16-CTD) is the decisive element for engaging H2A-H2B dimer and partially unraveled nucleosome. The molecular basis of the H2A-H2B dimer recognitions by hSpt16-CTD is not fully comprehended. Here, we present a high-resolution snapshot of the recognitions of the H2A-H2B dimer by hSpt16-CTD via an acidic intrinsically disordered (AID) segment, and reveal some distinct structural features of hSpt16-CTD as compared to the budding yeast Spt16-CTD.

Organizational Affiliation

Key Laboratory of Molecular Design for Plant Cell Factory of Guangdong Higher Education Institutes, Department of Chemical Biology & Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China.

Macromolecule Content

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Histone H2A type 1-B/E	A, C [auth D], E [auth G]	100	Homo sapiens	Mutation(s): 0 Gene Names: H2AC4, H2AFM, HIST1H2AB, H2AC8, H2AFA, HIST1H2AE
UniProt & NIH Common Fund Data Resources
Find proteins for P04908 (Homo sapiens) Explore P04908 Go to UniProtKB: P04908
PHAROS: P04908 GTEx: ENSG00000277075 ENSG00000278463
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P04908
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Histone H2B type 1-J	B, D [auth E], F [auth H]	100	Homo sapiens	Mutation(s): 0 Gene Names: H2BC11, H2BFR, HIST1H2BJ
UniProt & NIH Common Fund Data Resources
Find proteins for P06899 (Homo sapiens) Explore P06899 Go to UniProtKB: P06899
PHAROS: P06899 GTEx: ENSG00000124635
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P06899
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Reference Sequence

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| 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
FACT complex subunit SPT16	G [auth F], H [auth I], I [auth C]	42	Homo sapiens	Mutation(s): 0 Gene Names: SUPT16H, FACT140, FACTP140
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y5B9 (Homo sapiens) Explore Q9Y5B9 Go to UniProtKB: Q9Y5B9
PHAROS: Q9Y5B9 GTEx: ENSG00000092201
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9Y5B9
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Reference Sequence

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CL (Subject of Investigation/LOI) Query on CL Download:Ideal Coordinates CCD File SDF format, chain J [auth A] SDF format, chain K [auth E] MOL2 format, chain J [auth A] MOL2 format, chain K [auth E] mmCIF format, chain J [auth A] mmCIF format, chain K [auth E]	J [auth A], K [auth E]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain J [auth A] Focus chain K [auth E] Interactions & Density Focus chain J [auth A] Focus chain K [auth E]