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Title :   CRYSTAL STRUCTURE OF N-TERMINAL 57 RESIDUE DELETION MUTANT OF E. COLI CCMG PROTEIN(RESIDUES 58-185)

Authors :   N. Ouyang, Y. G. Gao, H. Y. Hu, Z. X. Xia

Date :   16 Sep 05 (Deposition) - 05 Sep 06 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.90

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

Keywords :   Comparison With The E. Coli Ccmg, Folding Topology Change, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   N. Ouyang, Y. G. Gao, H. Y. Hu, Z. X. Xia
Crystal Structures Of E. Coli Ccmg And Its Mutants Reveal Key Roles Of The N-Terminal Beta-Sheet And The Fingerprint Region
Proteins V. 65 1021 2006
PubMed-ID: 17019698 | Reference-DOI: 10.1002/PROT.21184
(for further references see the PDB file header)

Molecule 1 - THIOL:DISULFIDE INTERCHANGE PROTEIN DSBE
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET3A
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	CCMG
	Mutation	:	YES
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562
	Other Details	:	N-TERMINAL 57 RESIDUE DELETION MUTANT
	Synonym	:	CCMG PROTEIN, CYTOCHROME C BIOGENESIS PROTEIN CCMG

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

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 2B1L)

(no "Site" information available for 2B1L)

Asymmetric Unit

No.	Residues
1	A:80	-	A:83
2	B:80	-	B:83

Asymmetric Unit

No.	Residues
1	Ala A:143	-	Pro A:144
2	Ala B:143	-	Pro B:144

(no "SAP(SNP)/Variant" information available for 2B1L)

Asymmetric Unit (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	THIOREDOXIN_1	PS00194	Thioredoxin family active site.	DSBE_ECOLI	72-90	2	A:72-90 B:72-90

Biological Unit 1 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	THIOREDOXIN_1	PS00194	Thioredoxin family active site.	DSBE_ECOLI	72-90	1	A:72-90 -

Biological Unit 2 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	THIOREDOXIN_1	PS00194	Thioredoxin family active site.	DSBE_ECOLI	72-90	1	- B:72-90

(no "Exon" information available for 2B1L)

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:128
 aligned with DSBE_ECOLI | P0AA86 from UniProtKB/Swiss-Prot  Length:185

    Alignment length:128
                                    66        76        86        96       106       116       126       136       146       156       166       176        
           DSBE_ECOLI    57 GQFYQADVLTQGKPVLLNVWATWCPTCRAEHQYLNQLSAQGIRVVGMNYKDDRQKAISWLKELGNPYALSLFDGDGMLGLDLGVYGAPETFLIDGNGIIRYRHAGDLNPRVWEEEIKPLWEKYSKEAA 184
               SCOP domains d2b1la_ A: automated matches                                                                                                     SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) .----hhhhhh...eeeeee.....hhhhhhhhhhhhhhhh.eeeeeee..hhhhhhhhhhhhh...eeeeee..eee.........eeeeeee...eeeeeeee...hhhhhhhhhhhhhhhhhhhh Sec.struct. author (1)
     Sec.struct. author (2) -eeeee-------------------------------------------------------------------------------------------------------------------------- Sec.struct. author (2)
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------THIOREDOXIN_1      ---------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2b1l A  57 MQFYQADVLTQGKPVLLNVWATWCPTCRAEHQYLNQLSAQGIRVVGMNYKDDRQKAISWLKELGNPYALSLFDGDGMLGLDLGVYGAPETFLIDGNGIIRYRHAGDLNPRVWEEEIKPLWEKYSKEAA 184
                                    66        76        86        96       106       116       126       136       146       156       166       176

Chain B from PDB  Type:PROTEIN  Length:129
 aligned with DSBE_ECOLI | P0AA86 from UniProtKB/Swiss-Prot  Length:185

    Alignment length:129
                                    66        76        86        96       106       116       126       136       146       156       166       176         
           DSBE_ECOLI    57 GQFYQADVLTQGKPVLLNVWATWCPTCRAEHQYLNQLSAQGIRVVGMNYKDDRQKAISWLKELGNPYALSLFDGDGMLGLDLGVYGAPETFLIDGNGIIRYRHAGDLNPRVWEEEIKPLWEKYSKEAAQ 185
               SCOP domains d2b1lb_ B: automated matches                                                                                                      SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) .----hhhhhh...eeeeee.....hhhhhhhhhhhhhhhh.eeeeeee..hhhhhhhhhhhhh...eeeeee..eee.........eeeeeee...eeeeeeee...hhhhhhhhhhhhhhhhhhhh. Sec.struct. author (1)
     Sec.struct. author (2) -eeeee--------------------------------------------------------------------------------------------------------------------------- Sec.struct. author (2)
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------THIOREDOXIN_1      ----------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2b1l B  57 MQFYQADVLTQGKPVLLNVWATWCPTCRAEHQYLNQLSAQGIRVVGMNYKDDRQKAISWLKELGNPYALSLFDGDGMLGLDLGVYGAPETFLIDGNGIIRYRHAGDLNPRVWEEEIKPLWEKYSKEAAQ 185
                                    66        76        86        96       106       116       126       136       146       156       166       176

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(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

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

Fold: Thioredoxin fold (994)

Superfamily: Thioredoxin-like (992)

Family: Glutathione peroxidase-like (136)

Protein domain: automated matches (46)

Escherichia coli [TaxId: 562] (4)

1a	d2b1la_	A:
1b	d2b1lb_	B:

(no "CATH Domain" information available for 2B1L)

(no "Pfam Domain" information available for 2B1L)

Asymmetric Unit(hide GO term definitions)

Chain A,B (DSBE_ECOLI | P0AA86)

molecular function
	GO:0015036	disulfide oxidoreductase activity	Catalysis of the reaction: substrate with reduced sulfide groups = substrate with oxidized disulfide bonds.
	GO:0016491	oxidoreductase activity	Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
	GO:0045454	cell redox homeostasis	Any process that maintains the redox environment of a cell or compartment within a cell.
	GO:0017004	cytochrome complex assembly	The aggregation, arrangement and bonding together of a cytochrome complex. A cytochrome complex is a protein complex in which at least one of the proteins is a cytochrome, i.e. a heme-containing protein involved in catalysis of redox reactions.
	GO:0055114	oxidation-reduction process	A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
	GO:0016021	integral component of membrane	The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
	GO:0031237	intrinsic component of periplasmic side of plasma membrane	The component of a plasma membrane consisting of gene products and protein complexes that penetrate the periplasmic side of the plasma membrane only, either directly or via some covalently attached hydrophobic anchor.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0030288	outer membrane-bounded periplasmic space	The region between the inner (cytoplasmic or plasma) membrane and outer membrane of organisms with two membranes such as Gram negative bacteria. These periplasmic spaces are relatively thick and contain a thin peptidoglycan layer (PGL), also referred to as a thin cell wall.
	GO:0005886	plasma membrane	The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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	Ligands, Modified Residues, Ions
(no "Ligands, Modified Residues, Ions" information available for 2b1l)

	Sites
(no "Sites" information available for 2b1l)

	Cis Peptide Bonds
		Ala A:143 - Pro A:144	[ RasMol ]
		Ala B:143 - Pro B:144	[ RasMol ]

Biological Units
	Complete Structure
		Biological Unit 1	[ Jena3D ]
		Biological Unit 2	[ Jena3D ]

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	2b1l
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	DSBE_ECOLI \| P0AA86	:	1z5y 2b1k 2g0f 3k8n

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