3DB Atlas for 1CXF

1CXF

Glycosyltransferase

date

Jul 28, 1995

title

Complex Of A (D229ne257q) Double Mutant Cgtase From Bacillus Circulans Strain 251 With Maltotetraose At 120 K And Ph 9.1 Obtained After Soaking The Crystal With Alpha-Cyclodextrin

authors

R.M.A.Knegtel, B.Strokopytov, D.Penninga, O.G.Faber, H.J.Rozeboom, K.H.Kalk, L.Dijkhuizen, B.W.Dijkstra

compound

source

Molecule: Cyclodextrin Glycosyltransferase
Chain: Null
Synonym: Cgtase
Ec: 2.4.1.19
Engineered: Yes
Mutation: D229n, E257q
Heterogen: Maltose
Heterogen: Calcium
Heterogen: Maltotetraose

Organism_scientific: Bacillus Circulans
Strain: 251
Expression_system: Bacillus Circulans Strain Db104a
Expression_system_plasmid: Pdp66k-

symmetry

Space Group: P 21 21 21

R_factor

crystal
cell

length a	length b	length c	angle alpha	angle beta	angle gamma
116.840	110.000	67.420	90.00	90.00	90.00

method

X-Ray Diffraction

resolution

2.6 �

ligand

MAL, ACX, CA, GLC

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] [Save to disk]
LPC: Ligand-Protein Contacts for 1CXF
CSU: Contacts of Structural Units for 1CXF
Likely Quarternary Molecular Structure file(s) for 1CXF
Structure Factors in CIF format (r1cxfsf.ent.Z), size 66 Kb
Retrieve 1CXF in mmCIF format

View 1CXF in 3D

MDL's Chemscape Chime (Install Chime freeware) This is good for easiest viewing of basic structure.
RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 1CXF

STING, shows the sequence and maps the locations of sequence residues or residue ranges onto the 3D structure.
Noncovalent Bond Finder displays the closest contacts to ligand or interface, reports distances, walks over water bridges.
GRASS (Graphical Representation and Analysis of Structure Server)

View 1CXF in 2D

Topology Diagram from TOPS (The Atlas of protein topology cartoons )

Structure-derived information

Classification of representative domains in scop (Structural Classification of Proteins)
- Domain d1cxf_4, region 1-382 [rasmolscript] [script source]
- Domain d1cxf_3, region 383-495 [rasmolscript] [script source]
- Domain d1cxf_1, region 496-581 [rasmolscript] [script source]
- Domain d1cxf_2, region 582-686 [rasmolscript] [script source]
Protein Family Cores from LPFC
- Family: 1cdg, Alignment Method: FSSP
Fold representative is 1pamA from Dali/FSSP (Families of Structurally Similar Proteins)
Domain Definition for 1cxf from 3Dee ( The Database of Protein Domain Definitions )
Class (fold), Architecture (subfold), Topology, Homologous superfamily: CATH
Summaries and structural analyses of PDB data files: PDBSum

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1cxf_]
SWISS-PROT database: [CDGU_BACCI]
Alignments of the sequence of 1CXF with the sequences similar proteins can be viewed for classification [CDGU_BACCI] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [CDGU_BACCI] at ProtoMap. Click on the Cluster number.

Other resources with information on 1CXF

PDBREPORT (protein verification by WHAT_CHECK procedures)
MMDB (Entrez's Structure Database)

Still Images

Images from IMB Jena Image Library of Biological Macromolecules.

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