8ROA

Human cohesin SMC1A-HD(longCC-EQ)/RAD21-C complex - ADP-bound conformation

• PDB DOI: https://doi.org/10.2210/pdb8ROA/pdb

• Classification: NUCLEAR PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-01-11 Released: 2024-09-11 
• Deposition Author(s): Vitoria Gomes, M., Romier, C.
• Funding Organization(s): Fondation ARC, Agence Nationale de la Recherche (ANR)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.44 Å
• R-Value Free: 0.250 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 

Starting Model: experimental

Literature

The Cohesin ATPase cycle is mediated by specific conformational dynamics and interface plasticity of SMC1A and SMC3 ATPase domains

Vitoria Gomes, M., Romier, C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 122.15 kDa 
• Atom Count: 6,696 
• Modelled Residue Count: 827 
• Deposited Residue Count: 1,074 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Structural maintenance of chromosomes protein 1A	A, C	456	Homo sapiens	Mutation(s): 1  Gene Names: SMC1A, DXS423E, KIAA0178, SB1.8, SMC1, SMC1L1
UniProt & NIH Common Fund Data Resources
Find proteins for Q14683 (Homo sapiens) Explore Q14683  Go to UniProtKB:  Q14683
PHAROS:  Q14683 GTEx:  ENSG00000072501

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
64-kDa C-terminal product	B, D	81	Homo sapiens	Mutation(s): 0  Gene Names: RAD21, HR21, KIAA0078, NXP1, SCC1
UniProt & NIH Common Fund Data Resources
Find proteins for O60216 (Homo sapiens) Explore O60216  Go to UniProtKB:  O60216
PHAROS:  O60216 GTEx:  ENSG00000164754

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADP (Subject of Investigation/LOI)	E [auth A], F [auth C]	ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.44 Å
• R-Value Free: 0.250 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 189.311	α = 90
b = 65.278	β = 116.66
c = 105.762	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-11 
Deposition Author(s): Vitoria Gomes, M., Romier, C.

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Funding Organization	Location	Grant Number
Fondation ARC	France	ARCPJA20181208268
Fondation ARC	France	ARCPJA2021060003715
Fondation ARC	France	DOC20180507150
Agence Nationale de la Recherche (ANR)	France	ANR-10-LABX-030-INRT
Agence Nationale de la Recherche (ANR)	France	ANR-10-IDEX-0002
Agence Nationale de la Recherche (ANR)	France	ANR-17-EURE-0023
Agence Nationale de la Recherche (ANR)	France	ANR-10-INBS-0005-01

Revision History  

• Version 1.0: 2024-09-11
  Type: Initial release