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Title :   CRYSTAL STRUCTURE OF THERMOTOGA MARITIMA RIBOSOME BIOGENESIS GTP-BINDING PROTEIN ENGB (YSXC/YIHA) IN COMPLEX WITH GDP

Authors :   K. H. Chan, K. B. Wong

Date :   26 Nov 10 (Deposition) - 08 Jun 11 (Release) - 23 Nov 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.90

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

Keywords :   Rossmann Fold, Gtpase, Gtp Binding, Cell Cycle, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   K. H. Chan, K. B. Wong
Structure Of An Essential Gtpase, Ysxc, From Thermotoga Maritima
Acta Crystallogr. , Sect. F V. 67 640 2011
PubMed-ID: 21636901 | Reference-DOI: 10.1107/S1744309111011651

Molecule 1 - PROBABLE GTP-BINDING PROTEIN ENGB
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PRSET
	Expression System Strain	:	BL21(DE3)PLYSS
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	ENGB, TM_1466
	Organism Scientific	:	THERMOTOGA MARITIMA
	Organism Taxid	:	2336

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 4)

No.	Name	Count	Type	Full Name
1	GDP	2	Ligand/Ion	GUANOSINE-5'-DIPHOSPHATE
2	PEG	2	Ligand/Ion	DI(HYDROXYETHYL)ETHER

Biological Unit 1 (2, 2)

No.	Name	Count	Type	Full Name
1	GDP	1	Ligand/Ion	GUANOSINE-5'-DIPHOSPHATE
2	PEG	1	Ligand/Ion	DI(HYDROXYETHYL)ETHER

Biological Unit 2 (2, 2)

No.	Name	Count	Type	Full Name
1	GDP	1	Ligand/Ion	GUANOSINE-5'-DIPHOSPHATE
2	PEG	1	Ligand/Ion	DI(HYDROXYETHYL)ETHER

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASN A:33 , VAL A:34 , GLY A:35 , LYS A:36 , SER A:37 , SER A:38 , VAL A:51 , SER A:52 , LYS A:53 , LYS A:142 , ASP A:144 , LYS A:145 , SER A:174 , SER A:175 , VAL A:176 , HOH A:197 , HOH A:200 , HOH A:202 , HOH A:203 , HOH A:206 , HOH A:236 , HOH A:282 , HOH A:285 , HOH A:296 , HOH A:304 , HOH A:328	BINDING SITE FOR RESIDUE GDP A 801
2	AC2	SOFTWARE	ARG A:88 , TRP A:128 , HOH A:364	BINDING SITE FOR RESIDUE PEG A 196
3	AC3	SOFTWARE	ASN B:33 , VAL B:34 , GLY B:35 , LYS B:36 , SER B:37 , SER B:38 , LYS B:142 , ASP B:144 , LYS B:145 , SER B:174 , SER B:175 , VAL B:176 , HOH B:199 , HOH B:211 , HOH B:215 , HOH B:227 , HOH B:252 , HOH B:315 , HOH B:340 , HOH B:346 , HOH B:354	BINDING SITE FOR RESIDUE GDP B 802
4	AC4	SOFTWARE	SER B:121 , MET B:125 , TRP B:128	BINDING SITE FOR RESIDUE PEG B 196

(no "SS Bond" information available for 3PQC)

(no "Cis Peptide Bond" information available for 3PQC)

(no "SAP(SNP)/Variant" information available for 3PQC)

Asymmetric Unit (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	G_ENGB	PS51706	EngB-type guanine nucleotide-binding (G) domain profile.	ENGB_THEMA	22-194	2	A:22-193 B:22-194

Biological Unit 1 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	G_ENGB	PS51706	EngB-type guanine nucleotide-binding (G) domain profile.	ENGB_THEMA	22-194	1	A:22-193 -

Biological Unit 2 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	G_ENGB	PS51706	EngB-type guanine nucleotide-binding (G) domain profile.	ENGB_THEMA	22-194	1	- B:22-194

(no "Exon" information available for 3PQC)

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:192
 aligned with ENGB_THEMA | Q9X1H7 from UniProtKB/Swiss-Prot  Length:195

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           ENGB_THEMA     2 IIRDVELVKVARTPGDYPPPLKGEVAFVGRSNVGKSSLLNALFNRKIAFVSKTPGKTRSINFYLVNSKYYFVDLPGYGYAKVSKKERMLWKRLVEDYFKNRWSLQMVFLLVDGRIPPQDSDLMMVEWMKSLNIPFTIVLTKMDKVKMSERAKKLEEHRKVFSKYGEYTIIPTSSVTGEGISELLDLISTLLK 193
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....eeeeeee............eeeeee....hhhhhhhhhhh...............eeeeee...eeeee.........hhhhhhhhhhhhhhhhhhh..eeeeeeeee.....hhhhhhhhhhhhhh...eeeeeehhhhhhhhhhhhhhhhhhhhhhh.....eee.......hhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------------G_ENGB  PDB: A:22-193 UniProt: 22-194                                                                                                                                        PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3pqc A   2 IIRDVELVKVARTPGDYPPPLKGEVAFVGRSNVGKSSLLNALFNRKIAFVSKTPGKTRSINFYLVNSKYYFVDLPGYGYAKVSKKERMLWKRLVEDYFKNRWSLQMVFLLVDGRIPPQDSDLMMVEWMKSLNIPFTIVLTKMDKVKMSERAKKLEEHRKVFSKYGEYTIIPTSSVTGEGISELLDLISTLLK 193
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191

Chain B from PDB  Type:PROTEIN  Length:194
 aligned with ENGB_THEMA | Q9X1H7 from UniProtKB/Swiss-Prot  Length:195

    Alignment length:194
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191    
           ENGB_THEMA     2 IIRDVELVKVARTPGDYPPPLKGEVAFVGRSNVGKSSLLNALFNRKIAFVSKTPGKTRSINFYLVNSKYYFVDLPGYGYAKVSKKERMLWKRLVEDYFKNRWSLQMVFLLVDGRIPPQDSDLMMVEWMKSLNIPFTIVLTKMDKVKMSERAKKLEEHRKVFSKYGEYTIIPTSSVTGEGISELLDLISTLLKEN 195
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -----------------------MMR_HSR1-3pqcB01 B:25-142                                                                                             ----------------------------------------------------- Pfam domains (1)
           Pfam domains (2) -----------------------MMR_HSR1-3pqcB02 B:25-142                                                                                             ----------------------------------------------------- Pfam domains (2)
         Sec.struct. author ....eeeeeee............eeeeee....hhhhhhhhhh................eeeeee...eeeee.........hhhhhhhhhhhhhhhhhhh..eeeeeeeee.....hhhhhhhhhhhhhh...eeeeeehhhhhhhhhhhhhhhhhhhhhhh.....eee.......hhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------G_ENGB  PDB: B:22-194 UniProt: 22-194                                                                                                                                        - PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3pqc B   2 IIRDVELVKVARTPGDYPPPLKGEVAFVGRSNVGKSSLLNALFNRKIAFVSKTPGKTRSINFYLVNSKYYFVDLPGYGYAKVSKKERMLWKRLVEDYFKNRWSLQMVFLLVDGRIPPQDSDLMMVEWMKSLNIPFTIVLTKMDKVKMSERAKKLEEHRKVFSKYGEYTIIPTSSVTGEGISELLDLISTLLKEN 195
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
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	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 3PQC)

(no "CATH Domain" information available for 3PQC)

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: P-loop_NTPase (1112)

Family: MMR_HSR1 (17)

Thermotoga maritima (5)

1a	MMR_HSR1-3pqcB01	B:25-142
1b	MMR_HSR1-3pqcB02	B:25-142

Asymmetric Unit(hide GO term definitions)

Chain A,B (ENGB_THEMA | Q9X1H7)

molecular function
	GO:0005525	GTP binding	Interacting selectively and non-covalently with GTP, guanosine triphosphate.
	GO:0003924	GTPase activity	Catalysis of the reaction: GTP + H2O = GDP + phosphate.
	GO:0000287	magnesium ion binding	Interacting selectively and non-covalently with magnesium (Mg) ions.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0000166	nucleotide binding	Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
biological process
	GO:0007049	cell cycle	The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division.
	GO:0051301	cell division	The process resulting in division and partitioning of components of a cell to form more cells; may or may not be accompanied by the physical separation of a cell into distinct, individually membrane-bounded daughter cells.

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