3K1U

Beta-xylosidase, family 43 glycosyl hydrolase from Clostridium acetobutylicum

PDB DOI: https://doi.org/10.2210/pdb3K1U/pdb
Entry: 3K1U supersedes: 3CPN

Classification: HYDROLASE
Organism(s): Clostridium acetobutylicum
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2009-09-28 Released: 2009-10-06
Deposition Author(s): Osipiuk, J., Wu, R., Jedrzejczak, R., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.55 Å
R-Value Free: 0.161
R-Value Work: 0.136
R-Value Observed: 0.137

wwPDB Validation 3D Report Full Report

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

Literature

X-ray crystal structure of beta-xylosidase, family 43 glycosyl hydrolase from Clostridium acetobutylicum at 1.55 A resolution

Osipiuk, J., Wu, R., Jedrzejczak, R., Joachimiak, A.

To be published.

Macromolecule Content

Total Structure Weight: 39.29 kDa
Atom Count: 3,130
Modelled Residue Count: 314
Deposited Residue Count: 330
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-xylosidase, family 43 glycosyl hydrolase	A	330	Clostridium acetobutylicum	Mutation(s): 0 Gene Names: CA_C1529
UniProt
Find proteins for Q97IW1 (Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / IAM 19013 / LMG 5710 / NBRC 13948 / NRRL B-527 / VKM B-1787 / 2291 / W)) Explore Q97IW1 Go to UniProtKB: Q97IW1
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q97IW1
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
TRS Query on TRS Download Ideal Coordinates CCD File SDF format, chain L [auth A] MOL2 format, chain L [auth A] mmCIF format, chain L [auth A]	L [auth A]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C₄ H₁₂ N O₃ LENZDBCJOHFCAS-UHFFFAOYSA-O		Interactions Focus chain L [auth A]
EDO Query on EDO Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain F [auth A] SDF format, chain B [auth A] SDF format, chain C [auth A] SDF format, chain E [auth A] SDF format, chain G [auth A] MOL2 format, chain D [auth A] MOL2 format, chain F [auth A] MOL2 format, chain B [auth A] MOL2 format, chain C [auth A] MOL2 format, chain E [auth A] MOL2 format, chain G [auth A] mmCIF format, chain D [auth A] mmCIF format, chain F [auth A] mmCIF format, chain B [auth A] mmCIF format, chain C [auth A] mmCIF format, chain E [auth A] mmCIF format, chain G [auth A]	B [auth A] C [auth A] D [auth A] E [auth A] F [auth A] B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A]
MG Query on MG Download Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain H [auth A] SDF format, chain J [auth A] MOL2 format, chain I [auth A] MOL2 format, chain H [auth A] MOL2 format, chain J [auth A] mmCIF format, chain I [auth A] mmCIF format, chain H [auth A] mmCIF format, chain J [auth A]	H [auth A], I [auth A], J [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A]
NA Query on NA Download Ideal Coordinates CCD File SDF format, chain K [auth A] MOL2 format, chain K [auth A] mmCIF format, chain K [auth A]	K [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N		Interactions Focus chain K [auth A]

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE Query on MSE	A	L-PEPTIDE LINKING	C₅ H₁₁ N O₂ Se		MET

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.55 Å
R-Value Free: 0.161
R-Value Work: 0.136
R-Value Observed: 0.137
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.45	α = 90
b = 59.658	β = 90
c = 112.391	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SHELXD	phasing
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
HKL-3000	phasing