6CJN | pdb_00006cjn

Crystal Structure of Chalcone Isomerase from Medicago Sativa with the G95T mutation

PDB DOI: https://doi.org/10.2210/pdb6CJN/pdb

Classification: plant protein, isomerase
Organism(s): Medicago sativa
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2018-02-26 Released: 2019-03-13
Deposition Author(s): Burke, J.R., La Clair, J.J., Philippe, R.N., Pabis, A., Jez, J.M., Cortina, G., Kaltenbach, M., Bowman, M.E., Woods, K.B., Nelson, A.T., Tawfik, D.S., Kamerlin, S.C.L., Noel, J.P.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Free:
0.240 (Depositor), 0.249 (DCC)
R-Value Work:
0.211 (Depositor), 0.220 (DCC)
R-Value Observed:
0.212 (Depositor)

wwPDB Validation 3D Report Full Report

Validation slider image for 6CJN

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

Literature

Bifunctional Substrate Activation via an Arginine Residue Drives Catalysis in Chalcone Isomerases

Burke, J.R., La Clair, J.J., Philippe, R.N., Pabis, A., Jez, J.M., Cortina, G., Kaltenbach, M., Bowman, M.E., Woods, K.B., Nelson, A.T., Tawfik, D.S., Kamerlin, S.C.L., Noel, J.P.

(2019) ACS Catal

DOI: https://doi.org/10.1021/acscatal.9b01926

Macromolecule Content

Total Structure Weight: 48.93 kDa
Atom Count: 3,426
Modeled Residue Count: 438
Deposited Residue Count: 450
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chalcone--flavonone isomerase 1	A, B	225	Medicago sativa	Mutation(s): 1 Gene Names: CHI1, CHI-1 EC: 5.5.1.6
UniProt
Find proteins for P28012 (Medicago sativa) Explore P28012 Go to UniProtKB: P28012
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P28012
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SO4 Query on SO4 Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain F [auth B] SDF format, chain G [auth B] SDF format, chain H [auth B] SDF format, chain E [auth A] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain F [auth B] MOL2 format, chain G [auth B] MOL2 format, chain H [auth B] MOL2 format, chain E [auth A] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain F [auth B] mmCIF format, chain G [auth B] mmCIF format, chain H [auth B] mmCIF format, chain E [auth A]	C [auth A] D [auth A] E [auth A] F [auth B] G [auth B] C [auth A], D [auth A], E [auth A], F [auth B], G [auth B], H [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth B] Focus chain G [auth B] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth B] Focus chain G [auth B] Focus chain H [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Free: 0.240 (Depositor), 0.249 (DCC)
R-Value Work: 0.211 (Depositor), 0.220 (DCC)
R-Value Observed: 0.212 (Depositor)

Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 90.82	α = 90
b = 90.82	β = 90
c = 352.423	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

Deposition Data

Released Date: 2019-03-13

Deposition Author(s):

Kamerlin, S.C.L.

Revision History (Full details and data files)

Version 1.0: 2019-03-13
Type: Initial release
Version 1.1: 2019-08-28
Changes: Data collection, Database references
Version 1.2: 2024-03-13
Changes: Data collection, Database references

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