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Title :   ELECTRON TRANSFERRING FLAVOPROTEIN OF ACIDAMINOCOCCUS FERMENTANS: TOWARDS A MECHANISM OF FLAVIN-BASED ELECTRON BIFURCATION

Authors :   A. M. Mowafy, N. P. Chowdhury, J. Demmer, V. Upadhyay, S. Kolzer, E. Jaya J. Kahnt, U. Demmer, U. Ermler, W. Buckel

Date :   04 Jun 13 (Deposition) - 15 Jan 14 (Release) - 12 Mar 14 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.45

Chains :   Asym./Biol. Unit : A,B

Keywords :   Fad, Electron Transferring Flavoprotein (Etf), Butyryl-Coa Dehydrogenase, Ferredoxin, Nadh, Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   N. P. Chowdhury, A. M. Mowafy, J. K. Demmer, V. Upadhyay, S. Koelzer, E. Jayamani, J. Kahnt, M. Hornung, U. Demmer, U. Ermler, W. Buckel
Studies On The Mechanism Of Electron Bifurcation Catalyzed By Electron Transferring Flavoprotein (Etf) And Butyryl-Coa Dehydrogenase (Bcd) Of Acidaminococcus Fermentans.
J. Biol. Chem. V. 289 5145 2014
PubMed-ID: 24379410 | Reference-DOI: 10.1074/JBC.M113.521013

Molecule 1 - ELECTRON TRANSFER FLAVOPROTEIN ALPHA SUBUNIT
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Gene	:	ACFER_0556
	Organism Scientific	:	ACIDAMINOCOCCUS FERMENTANS
	Organism Taxid	:	591001
	Strain	:	DSM 20731

Molecule 2 - ELECTRON TRANSFER FLAVOPROTEIN ALPHA/BETA-SUBUNIT
	Chains	:	B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Gene	:	ACFER_0555
	Organism Scientific	:	ACIDAMINOCOCCUS FERMENTANS
	Organism Taxid	:	591001
	Strain	:	DSM 20731

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (3, 4)

No.	Name	Count	Type	Full Name
1	CL	1	Ligand/Ion	CHLORIDE ION
2	FAD	2	Ligand/Ion	FLAVIN-ADENINE DINUCLEOTIDE
3	NAD	1	Ligand/Ion	NICOTINAMIDE-ADENINE-DINUCLEOTIDE

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLY A:226 , ARG A:227 , GLY A:228 , SER A:252 , ARG A:253 , ALA A:254 , GLN A:266 , VAL A:267 , GLY A:268 , GLN A:269 , SER A:270 , GLY A:271 , GLY A:283 , ILE A:284 , SER A:285 , SER A:287 , GLN A:289 , HIS A:290 , ASN A:304 , LYS A:305 , ASP A:306 , ASP A:322 , ALA A:323 , HOH A:638 , HOH A:657 , HOH A:672 , HOH A:681 , HOH A:700 , HOH A:707 , HOH A:723 , TYR B:37 , TYR B:40 , HOH B:608	BINDING SITE FOR RESIDUE FAD A 401
2	AC2	SOFTWARE	ARG A:118 , ARG A:199 , GLY B:137 , HOH B:464	BINDING SITE FOR RESIDUE CL A 402
3	AC3	SOFTWARE	LEU A:127 , CYS A:128 , ALA A:129 , ARG A:146 , ALA A:148 , ILE A:157 , CYS B:6 , VAL B:7 , LYS B:8 , ASN B:35 , ASP B:38 , ILE B:59 , THR B:60 , MET B:61 , ALA B:92 , ASP B:93 , THR B:94 , THR B:97 , CYS B:116 , GLY B:117 , GLN B:119 , ALA B:120 , ASP B:122 , GLY B:123 , ASP B:124 , THR B:125 , ALA B:126 , GLN B:127 , VAL B:128 , NAD B:302 , HOH B:418 , HOH B:620 , HOH B:644	BINDING SITE FOR RESIDUE FAD B 301
4	AC4	SOFTWARE	MET B:61 , GLY B:62 , PRO B:63 , VAL B:84 , SER B:85 , ASP B:86 , PHE B:89 , GLY B:91 , FAD B:301 , HOH B:479 , HOH B:524 , HOH B:528 , HOH B:601 , HOH B:610 , HOH B:642	BINDING SITE FOR RESIDUE NAD B 302

(no "SS Bond" information available for 4L2I)

Asymmetric/Biological Unit

No.	Residues
1	Arg A:163	-	Pro A:164
2	Glu A:339	-	Ser A:340
3	Met B:171	-	Pro B:172

(no "SAP(SNP)/Variant" information available for 4L2I)

(no "PROSITE Motif" information available for 4L2I)

(no "Exon" information available for 4L2I)

Asymmetric/Biological 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:338
                                                                                                                                                                                                                                                                                                                                                                                  
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............eeee..ee..eehhhhhhhhhhhhhhhhhhh..eeeeeee....hhhhhhhhh...eeeeee.hhhh..hhhhhhhhhhhhhhhhh..eeeee...hhhhhhhhhhhhhh..eeeee.eeee.....eeeeeeehhhheeeeeee.....eeeee................eeee...........eeeeeee.......hhhhh.eeeee.hhhhhhhhhhhhhhhhhhhh.eeeehhhhhhh...hhhhh...........eeeee....hhhhhh......eeeeee....hhhhhhh.eeee.hhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4l2i A   3 NTKGLKTGNEKDLWVYVEHYKGEPVHVVYELLGECRKLADKCNQKLAAVLITDDAKDVPSKLIARGADLVYVCQDPAFKYYSTDEYTNAFCEMIDEYQPSSVFIGATNDGRDLGPRIAARVNTGLCADCTILDAEEDGLIEWTRPAAGGNIMATILCKEHRPQMGTVRPKTFKAMEPDASRTGEVINYTLKNHVDDRVTCIRREEVVSEGEMAIDDAPFVCSGGRGMKAKENFSLLYDLAHALGGAVGGSRAAVDEGFIEHPRQVGQSGKTVTPKIYFACGISGSVQHKAGMSKSDTIVCINKDPDAPMFEISKYGIVGDALKILPLLTAKIKAFKES 340
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332

Chain B from PDB  Type:PROTEIN  Length:263
                                                                                                                                                                                                                                                                                                       
               SCOP domains d4l2ib_ B: automated matches                                                                                                                                                                                                                                            SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee..eee.hhhhee......ee.....eeehhhhhhhhhhhhhhhhhhh.eeeeeee.hhhhhhhhhhhhhh...eeeee.hhhhh..hhhhhhhhhhhhhhhhh...eeeee.........hhhhhhhhhhh..eeeee.eeeee..eeeeeee...eeeeeeee..eeeee.........hhhhhhhhhhh...ee.......hhhhh......eeeeeee.........eee...hhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4l2i B   1 MNIVVCVKQVPDTAEMKIDPVTNNLVRDGVTNIMNPYDQYALETALQLKDELGAHVTVITMGPPHAESVLRDCLAVGADEAKLVSDRAFGGADTLATSAAMANTIKHFGVPDLILCGRQAIDGDTAQVGPEIAEHLGLPQVTAALKVQVKDDTVVVDRDNEQMSMTFTMKMPCVVTVMRSKDLRFASIRGKMKARKAEIPVYTAAALEIPLDIIGKAGSPTQVMKSFTPKVTQVHGEIFDDEDPAVAVDKLVNKLIEDKIITK 263
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260

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/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

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

Fold: Adenine nucleotide alpha hydrolase-like (440)

Superfamily: Adenine nucleotide alpha hydrolases-like (110)

Family: automated matches (23)

Protein domain: automated matches (23)

Acidaminococcus fermentans [TaxId: 591001] (2)

d4l2ib_

(no "CATH Domain" information available for 4L2I)

(no "Pfam Domain" information available for 4L2I)

Asymmetric/Biological Unit(hide GO term definitions)

Asymmetric/Biological Unit
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	Cis Peptide Bonds
		Arg A:163 - Pro A:164	[ RasMol ]
		Glu A:339 - Ser A:340	[ RasMol ]
		Met B:171 - Pro B:172	[ RasMol ]

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Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 4)

Sites (4, 4)

SS Bonds (0, 0)

Cis Peptide Bonds (3, 3)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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SCOP Domains (1, 1)

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Gene Ontology (3, 5)

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