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Title :   PROKARYOTIC TRANSCRIPTION ELONGATION FACTOR GREA/GREB FROM NITROSOMONAS EUROPAEA

Authors :   J. Osipiuk, E. Evdokimova, O. Kagan, A. Savchenko, A. Edwards, A. Joachimiak, Midwest Center For Structural Genomics (Mcsg)

Date :   23 Apr 07 (Deposition) - 22 May 07 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.70

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

Keywords :   Transcription Elongation Factor, Grea/Greb, Structural Genomics, Apc6349, Psi-2, Protein Structure Initiative, Midwest Center For Structural Genomics, Mcsg (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. Osipiuk, E. Evdokimova, O. Kagan, A. Savchenko, A. Edwards, A. Joachimiak
Crystal Structure Of Prokaryotic Transcription Elongation Factor Grea/Greb From Nitrosomonas Europaea.
To Be Published
PubMed: search
(for further references see the PDB file header)

Molecule 1 - PROKARYOTIC TRANSCRIPTION ELONGATION FACTOR GREA/GREB
	Atcc	:	19718
	Chains	:	A, B, C, D
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Plasmid	:	PET15B MODIFIED
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Vector Type	:	PLASMID
	Gene	:	RNK, NE2130
	Organism Scientific	:	NITROSOMONAS EUROPAEA
	Organism Taxid	:	915
	Strain	:	IFO 14298

		1	2	3	4
Asymmetric Unit	:	A	B	C	D
Biological Unit 1 (1x)	:	A			D
Biological Unit 2 (1x)	:		B	C

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 12)

No.	Name	Count	Type	Full Name
1	MSE	8	Mod. Amino Acid	SELENOMETHIONINE
2	OCS	4	Mod. Amino Acid	CYSTEINESULFONIC ACID

Biological Unit 1 (2, 6)

No.	Name	Count	Type	Full Name
1	MSE	4	Mod. Amino Acid	SELENOMETHIONINE
2	OCS	2	Mod. Amino Acid	CYSTEINESULFONIC ACID

Biological Unit 2 (2, 6)

No.	Name	Count	Type	Full Name
1	MSE	4	Mod. Amino Acid	SELENOMETHIONINE
2	OCS	2	Mod. Amino Acid	CYSTEINESULFONIC ACID

(no "Site" information available for 2PN0)

(no "SS Bond" information available for 2PN0)

(no "Cis Peptide Bond" information available for 2PN0)

(no "SAP(SNP)/Variant" information available for 2PN0)

(no "PROSITE Motif" information available for 2PN0)

(no "Exon" information available for 2PN0)

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:124
 aligned with Q82T10_NITEU | Q82T10 from UniProtKB/TrEMBL  Length:137

    Alignment length:124
                                    13        23        33        43        53        63        73        83        93       103       113       123    
         Q82T10_NITEU     4 KPKIMISSLDAERLEILLETLSQNAFPGRDDLEAELARAEVVDPEEIPPTVVTMNSTVRFRVESSAEEFCLTLVYPKDVDTSGEKISILAPVGSALLGLAQGDEIEWPKPGGGVLRVRIVEVTY 127
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 2pn0A01 A:4-45                            2pn0A02 A:46-127  [code=3.10.50.30, no name defined]                               CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeehhhhhhhhhhhhhh......hhhhhhhhhhh.eeehhhhh.........eeeeee.....eeeeeeehhhhh.....eee....hhhhhh......eeeee.....eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 2pn0 A   4 KPKImISSLDAERLEILLETLSQNAFPGRDDLEAELARAEVVDPEEIPPTVVTmNSTVRFRVESSAEEFcLTLVYPKDVDTSGEKISILAPVGSALLGLAQGDEIEWPKPGGGVLRVRIVEVTY 127
                                |   13        23        33        43        53   |    63        73        83        93       103       113       123    
                                |                                               57-MSE          73-OCS                                                  
                                8-MSE

Chain B from PDB  Type:PROTEIN  Length:124
 aligned with Q82T10_NITEU | Q82T10 from UniProtKB/TrEMBL  Length:137

    Alignment length:124
                                    13        23        33        43        53        63        73        83        93       103       113       123    
         Q82T10_NITEU     4 KPKIMISSLDAERLEILLETLSQNAFPGRDDLEAELARAEVVDPEEIPPTVVTMNSTVRFRVESSAEEFCLTLVYPKDVDTSGEKISILAPVGSALLGLAQGDEIEWPKPGGGVLRVRIVEVTY 127
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 2pn0B01 B:4-45                            2pn0B02 B:46-127  [code=3.10.50.30, no name defined]                               CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeehhhhhhhhhhhh........hhhhhhhhhhhheeehhhhh.........eeeeee.....eeeeeeehhhhh.....eee....hhhhhh......eeeee.....eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 2pn0 B   4 KPKImISSLDAERLEILLETLSQNAFPGRDDLEAELARAEVVDPEEIPPTVVTmNSTVRFRVESSAEEFcLTLVYPKDVDTSGEKISILAPVGSALLGLAQGDEIEWPKPGGGVLRVRIVEVTY 127
                                |   13        23        33        43        53   |    63        73        83        93       103       113       123    
                                8-MSE                                           57-MSE          73-OCS

Chain C from PDB  Type:PROTEIN  Length:122
 aligned with Q82T10_NITEU | Q82T10 from UniProtKB/TrEMBL  Length:137

    Alignment length:122
                                    15        25        35        45        55        65        75        85        95       105       115       125  
         Q82T10_NITEU     6 KIMISSLDAERLEILLETLSQNAFPGRDDLEAELARAEVVDPEEIPPTVVTMNSTVRFRVESSAEEFCLTLVYPKDVDTSGEKISILAPVGSALLGLAQGDEIEWPKPGGGVLRVRIVEVTY 127
               SCOP domains -------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 2pn0C01 C:6-45                          2pn0C02 C:46-127  [code=3.10.50.30, no name defined]                               CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeehhhhhhhhhhhhhh......hhhhhhhhhhhheeehhhhh.........eeeeee.....eeeeeeehhhhh.....eee....hhhhhh......eeeee.....eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------- Transcript
                 2pn0 C   6 KImISSLDAERLEILLETLSQNAFPGRDDLEAELARAEVVDPEEIPPTVVTmNSTVRFRVESSAEEFcLTLVYPKDVDTSGEKISILAPVGSALLGLAQGDEIEWPKPGGGVLRVRIVEVTY 127
                              |     15        25        35        45        55 |      65       |75        85        95       105       115       125  
                              8-MSE                                           57-MSE          73-OCS

Chain D from PDB  Type:PROTEIN  Length:121
 aligned with Q82T10_NITEU | Q82T10 from UniProtKB/TrEMBL  Length:137

    Alignment length:124
                                    13        23        33        43        53        63        73        83        93       103       113       123    
         Q82T10_NITEU     4 KPKIMISSLDAERLEILLETLSQNAFPGRDDLEAELARAEVVDPEEIPPTVVTMNSTVRFRVESSAEEFCLTLVYPKDVDTSGEKISILAPVGSALLGLAQGDEIEWPKPGGGVLRVRIVEVTY 127
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 2pn0D01 D:4-45                            2pn0D02 D:46-127  [code=3.10.50.30, no name defined]                               CATH domains
           Pfam domains (1) ----------------------------------------------GreA_GreB-2pn0D01 D:50-127                                                     Pfam domains (1)
           Pfam domains (2) ----------------------------------------------GreA_GreB-2pn0D02 D:50-127                                                     Pfam domains (2)
           Pfam domains (3) ----------------------------------------------GreA_GreB-2pn0D03 D:50-127                                                     Pfam domains (3)
           Pfam domains (4) ----------------------------------------------GreA_GreB-2pn0D04 D:50-127                                                     Pfam domains (4)
         Sec.struct. author ....eeehhhhhhhhhhhhh..---..hhhhhhhhhhh.eeehhhhh.........eeeeee.....eeeeeeehhhhh.....eee....hhhhhh......eeeee.....eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 2pn0 D   4 KPKImISSLDAERLEILLETLS---FPGRDDLEAELARAEVVDPEEIPPTVVTmNSTVRFRVESSAEEFcLTLVYPKDVDTSGEKISILAPVGSALLGLAQGDEIEWPKPGGGVLRVRIVEVTY 127
                                |   13        23 |   |  33        43        53   |    63        73        83        93       103       113       123    
                                8-MSE           25  29                          57-MSE          73-OCS

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 '\|'

(no "SCOP Domain" information available for 2PN0)

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: Roll (3276)

Topology: Chitinase A; domain 3 (225)

Homologous Superfamily: [code=3.10.50.30, no name defined] (2)

Nitrosomonas europaea. Organism_taxid: 915. Strain: ifo 14298. (1)

1a	2pn0A02	A:46-127
1b	2pn0B02	B:46-127
1c	2pn0C02	C:46-127
1d	2pn0D02	D:46-127

Class: Mainly Alpha (13335)

Architecture: Orthogonal Bundle (10391)

Topology: GTP Cyclohydrolase I; Chain A, domain 1 (23)

Homologous Superfamily: [code=1.10.286.20, no name defined] (4)

Nitrosomonas europaea. Organism_taxid: 915. Strain: ifo 14298. (1)

2a	2pn0A01	A:4-45
2b	2pn0B01	B:4-45
2c	2pn0C01	C:6-45
2d	2pn0D01	D:4-45

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: FKBP (43)

Family: GreA_GreB (2)

Nitrosomonas europaea (1)

1a	GreA_GreB-2pn0D01	D:50-127
1b	GreA_GreB-2pn0D02	D:50-127
1c	GreA_GreB-2pn0D03	D:50-127
1d	GreA_GreB-2pn0D04	D:50-127

Asymmetric Unit(hide GO term definitions)

Chain A,B,C,D (Q82T10_NITEU | Q82T10)

molecular function
	GO:0003677	DNA binding	Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
	GO:0003746	translation elongation factor activity	Functions in chain elongation during polypeptide synthesis at the ribosome.
biological process
	GO:0032784	regulation of DNA-templated transcription, elongation	Any process that modulates the frequency, rate or extent of transcription elongation, the extension of an RNA molecule after transcription initiation and promoter clearance by the addition of ribonucleotides catalyzed by a DNA-dependent RNA polymerase.
	GO:0006414	translational elongation	The successive addition of amino acid residues to a nascent polypeptide chain during protein biosynthesis.

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2eul	STRUCTURE OF THE TRANSCRIPTION FACTOR GFH1

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