4IXW - JenaLib

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Title :   HALOHYDRIN DEHALOGENASE (HHEC) BOUND TO ETHYL (2S)-OXIRAN-2-YLACETATE

Authors :   R. J. Floor, M. Schallmey, B. Hauer, M. Breuer, P. A Jekel, H. J. Wijma, B. W. Dijkstra, D. B. Janssen

Date :   28 Jan 13 (Deposition) - 20 Feb 13 (Release) - 15 May 13 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.47

Chains :   Asym. Unit : A,B
Biol. Unit 1: A,B  (2x)

Keywords :   Thermostability, Synergistic Mutations, Coupled Mutations, Proline- Induced, Backbone Changes, Enantioselectivity Changes, Directed Evolution, Protein Engineering, Short-Chain Dehydrogenase/Reductase Enzyme Superfamily, Cyanolysis, Dehalogenase, Atorvastatin Synthesis, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   M. Schallmey, R. J. Floor, B. Hauer, M. Breuer, P. A. Jekel, H. J. Wijma, B. W. Dijkstra, D. B. Janssen
Biocatalytic And Structural Properties Of A Highly Engineered Halohydrin Dehalogenase.
Chembiochem V. 14 870 2013
PubMed-ID: 23585096 | Reference-DOI: 10.1002/CBIC.201300005

Molecule 1 - HALOHYDRIN DEHALOGENASE
	Chains	:	A, B
	EC Number	:	4.5.1.-
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PBAD-HHEC-2360
	Expression System Strain	:	BL21
	Expression System Taxid	:	469008
	Expression System Vector Type	:	PBAD
	Fragment	:	HALOHYDRIN DEHALOGENASE HHEC
	Gene	:	HHEC
	Mutation	:	YES
	Organism Common	:	AGROBACTERIUM TUMEFACIENS
	Organism Scientific	:	RHIZOBIUM RADIOBACTER
	Organism Taxid	:	358
	Other Details	:	THIS ENZYME IS A RESULT OF A DIRECTED EVOLUTION STUDY. IT CONTAINS 37 MUTATIONS, COMPARED TO ITS PARENT

		1	2
Asymmetric Unit	:	A	B
Biological Unit 1 (2x)	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 4)

No.	Name	Count	Type	Full Name
1	CL	2	Ligand/Ion	CHLORIDE ION
2	IXW	2	Ligand/Ion	ETHYL (2S)-OXIRAN-2-YLACETATE

Biological Unit 1 (1, 4)

No.	Name	Count	Type	Full Name
1	CL	-1	Ligand/Ion	CHLORIDE ION
2	IXW	4	Ligand/Ion	ETHYL (2S)-OXIRAN-2-YLACETATE

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASN A:176 , GLY A:177 , VAL A:178 , TYR A:187 , IXW A:302	BINDING SITE FOR RESIDUE CL A 301
2	AC2	SOFTWARE	PHE A:12 , TRP A:86 , SER A:132 , ALA A:134 , TRP A:139 , LEU A:142 , TYR A:145 , PRO A:175 , ASN A:176 , TYR A:186 , TRP A:249 , CL A:301	BINDING SITE FOR RESIDUE IXW A 302
3	AC3	SOFTWARE	ASN B:176 , GLY B:177 , VAL B:178 , TYR B:187 , IXW B:302	BINDING SITE FOR RESIDUE CL B 301
4	AC4	SOFTWARE	PHE B:12 , SER B:132 , ALA B:134 , TRP B:139 , TYR B:145 , PRO B:175 , ASN B:176 , TRP B:249 , CL B:301	BINDING SITE FOR RESIDUE IXW B 302

(no "SS Bond" information available for 4IXW)

Asymmetric Unit

No.	Residues
1	Tyr A:185	-	Tyr A:186
2	Glu A:190	-	Pro A:191
3	Phe A:243	-	Pro A:244
4	Tyr B:185	-	Tyr B:186
5	Glu B:190	-	Pro B:191
6	Phe B:243	-	Pro B:244

(no "SAP(SNP)/Variant" information available for 4IXW)

(no "PROSITE Motif" information available for 4IXW)

(no "Exon" information available for 4IXW)

Asymmetric Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:249
                                                                                                                                                                                                                                                                                         
               SCOP domains d4ixwa_ A: automated matches                                                                                                                                                                                                                              SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee......hhhhhhhhhhhh..eeee..hhhhhhhhhhhhhhhh...ee....hhhhhhhhhhhhhh...eeeee........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeee...........hhhhhhhhhhhhhhhhhhhhhh......eeeeee............hhhhhh.hhhhhhhhhhhh......hhhhhhhhhhhhh...hhhhh..eeee........... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ixw A   2 STAIVTNVKHFGGMGSALRLSEAGHTVACHDESFKHQDELEAFAETYPQLIPMSEQEPVELIEAVTSALGHVDILVSNDIAPVEWRPIDKYAVEDYRDMVEALQIKPFALANAVASQMKRRKSGHIIFITSAASFGPWKELSTYASARAGASALANALSKELGEHNIPVFAIAPNGVDSGDSPYYYPSEPWKTSPEHVAWVRKYTALQRLGTQKELGELVTFLASGSCDYLTGQVFWLAGGFPVVERWP 250
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241

Chain B from PDB  Type:PROTEIN  Length:250
                                                                                                                                                                                                                                                                                          
               SCOP domains d4ixwb_ B: automated matches                                                                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee......hhhhhhhhhhhh..eeee.hhhhhhhhhhhhhhhhh...ee....hhhhhhhhhhhhhh...eeeee........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeee...........hhhhhhhhhhhhhhhhhhhhhhh.....eeeeee............hhhhhh.hhhhhhhhhhhh......hhhhhhhhhhhhhh..hhhhh..eeee............ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ixw B   2 STAIVTNVKHFGGMGSALRLSEAGHTVACHDESFKHQDELEAFAETYPQLIPMSEQEPVELIEAVTSALGHVDILVSNDIAPVEWRPIDKYAVEDYRDMVEALQIKPFALANAVASQMKRRKSGHIIFITSAASFGPWKELSTYASARAGASALANALSKELGEHNIPVFAIAPNGVDSGDSPYYYPSEPWKTSPEHVAWVRKYTALQRLGTQKELGELVTFLASGSCDYLTGQVFWLAGGFPVVERWPG 251
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Asymmetric Unit

Classes(

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Folds(

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Superfamilies( (-)

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Families(

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Protein Domains( (-)

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Organisms( (-)

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Class: Alpha and beta proteins (a/b) (23833)

Fold: NAD(P)-binding Rossmann-fold domains (1604)

Superfamily: NAD(P)-binding Rossmann-fold domains (1604)

Family: Tyrosine-dependent oxidoreductases (503)

Protein domain: automated matches (114)

Rhizobium radiobacter [TaxId: 358] (3)

1a	d4ixwa_	A:
1b	d4ixwb_	B:

(no "CATH Domain" information available for 4IXW)

(no "Pfam Domain" information available for 4IXW)

Asymmetric Unit(hide GO term definitions)

(no "Gene Ontology" information available for 4IXW)

Asymmetric Unit
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		AC4	[ RasMol ]	+environment [ RasMol ]

	Cis Peptide Bonds
		Glu A:190 - Pro A:191	[ RasMol ]
		Glu B:190 - Pro B:191	[ RasMol ]
		Phe A:243 - Pro A:244	[ RasMol ]
		Phe B:243 - Pro B:244	[ RasMol ]
		Tyr A:185 - Tyr A:186	[ RasMol ]
		Tyr B:185 - Tyr B:186	[ RasMol ]

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		Biological Unit 1	[ Jena3D ]

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	Q93D82_RHIRD \| Q93D82	:	1pwx 1pwz 1px0 1zmt 1zo8 3zn2 4ixt 4iy1 5kvc 5kwe

4ixt	HHEC 2360 BOUND TO ETHYL (3R)-4-CYANO-3-HYDROXYBUTYRATE
4iy1	STRUCTURE OF A 37-FOLD MUTANT OF HALOHYDRIN DEHALOGENASE (HHEC) WITH CHLORIDE BOUND

Description

Compounds

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Chains, Units

Ligands, Modified Residues, Ions (2, 4)

Sites (4, 4)

SS Bonds (0, 0)

Cis Peptide Bonds (6, 6)

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