1F51 - JenaLib

Asymmetric Unit (Jmol Viewer)

Asym. Unit - sites (Jmol Viewer)

Biological Unit 1 (Jmol Viewer)

Biol. Unit 1 - sites (Jmol Viewer)

Biological Unit 2 (Jmol Viewer)

Title :   A TRANSIENT INTERACTION BETWEEN TWO PHOSPHORELAY PROTEINS TRAPPED IN A CRYSTAL LATTICE REVEALS THE MECHANISM OF MOLECULAR RECOGNITION AND PHOSPHOTRANSFER IN SINGAL TRANSDUCTION

Authors :   J. Zapf, U. Sen, M. Madhusudan, J. A. Hoch, K. I. Varughese

Date :   11 Jun 00 (Deposition) - 23 Aug 00 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   3.00

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

Keywords :   Two Component System, Singal Tranduction, Response Regulator, Phosphotransferase, Sporulation, Phosphorelay, 3D-Structure (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. Zapf, U. Sen, M. Madhusudan, J. A. Hoch, K. I. Varughese
A Transient Interaction Between Two Phosphorelay Proteins Trapped In A Crystal Lattice Reveals The Mechanism Of Molecular Recognition And Phosphotransfer In Signal Transduction.
Structure Fold. Des. V. 8 851 2000
PubMed-ID: 10997904 | Reference-DOI: 10.1016/S0969-2126(00)00174-X
(for further references see the PDB file header)

Molecule 1 - SPORULATION INITIATION PHOSPHOTRANSFERASE B
	Chains	:	A, B, C, D
	EC Number	:	2.7.-.-
	Engineered	:	YES
	Expression System Plasmid	:	PET20B
	Expression System Vector Type	:	PLASMID
	Organism Scientific	:	BACILLUS SUBTILIS
	Organism Taxid	:	1423

Molecule 2 - SPORULATION INITIATION PHOSPHOTRANSFERASE F
	Chains	:	E, F, G, H
	EC Number	:	2.7.-.-
	Engineered	:	YES
	Expression System Plasmid	:	PET20B
	Expression System Vector Type	:	PLASMID
	Organism Scientific	:	BACILLUS SUBTILIS
	Organism Taxid	:	1423

		1	2	3	4	5	6	7	8
Asymmetric Unit	:	A	B	C	D	E	F	G	H
Biological Unit 1 (1x)	:	A	B			E	F
Biological Unit 2 (1x)	:			C	D			G	H

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 3)

No.	Name	Count	Type	Full Name
1	MG	3	Ligand/Ion	MAGNESIUM ION

Biological Unit 1 (0, 0)

No.	Name	Count	Type	Full Name
1	MG	-1	Ligand/Ion	MAGNESIUM ION

Biological Unit 2 (0, 0)

No.	Name	Count	Type	Full Name
1	MG	-1	Ligand/Ion	MAGNESIUM ION

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASP E:1211 , GLN E:1212 , ASP E:1254 , LYS E:1256	BINDING SITE FOR RESIDUE MG E 2001
2	AC2	SOFTWARE	ASP F:1011 , ASP F:1054	BINDING SITE FOR RESIDUE MG F 2002
3	AC3	SOFTWARE	HIS D:630 , ASP H:1411 , ASP H:1454 , LYS H:1456	BINDING SITE FOR RESIDUE MG H 2003

(no "SS Bond" information available for 1F51)

Asymmetric Unit

No.	Residues
1	Lys E:1304	-	Pro E:1305
2	Lys F:1104	-	Pro F:1105
3	Lys G:1704	-	Pro G:1705
4	Lys H:1504	-	Pro H:1505

(no "SAP(SNP)/Variant" information available for 1F51)

Asymmetric Unit (1, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	RESPONSE_REGULATORY	PS50110	Response regulatory domain profile.	SP0F_BACSU	5-119	4	E:1205-1319 F:1005-1119 G:1605-1719 H:1405-1519

Biological Unit 1 (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	RESPONSE_REGULATORY	PS50110	Response regulatory domain profile.	SP0F_BACSU	5-119	2	E:1205-1319 F:1005-1119 - -

Biological Unit 2 (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	RESPONSE_REGULATORY	PS50110	Response regulatory domain profile.	SP0F_BACSU	5-119	2	- - G:1605-1719 H:1405-1519

(no "Exon" information available for 1F51)

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:181
 aligned with SP0B_BACSU | P06535 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:181
                                    21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191 
          SP0B_BACSU     12 ISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD  192
               SCOP domains d1f51a_ A: Sporulation response regulatory protein Spo0B                                                                                                                              SCOP domains
               CATH domains -1f51A01 A:13-71  [code=1.10.287.130, no name defined]      1f51A02 A:72-190  [code=3.30.565.30, no name defined]                                                                  -- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhh....eeeeeee....hhhhhhhhhhhhhhhhhhhhh.........eeeeeee.......eeeeeeee....hhhhhhhhhh......eeeeeee...eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1f51 A   12 ISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD  192
                                    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:182
 aligned with SP0B_BACSU | P06535 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:182
                                    20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  
          SP0B_BACSU     11 NISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD  192
               SCOP domains d1f51b_ B: Sporulation response regulatory protein Spo0B                                                                                                                               SCOP domains
               CATH domains --1f51B01 B:213-271  [code=1.10.287.130, no name defined]    1f51B02 B:272-390  [code=3.30.565.30, no name defined]                                                                 -- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....hhhhhhhhhhhhhhhhhhhhhhh......eeeeeee.......eeeeeeee....hhhhh...........eeeeeee...eeeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1f51 B  211 NISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD  392
                                   220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390

Chain C from PDB  Type:PROTEIN  Length:181
 aligned with SP0B_BACSU | P06535 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:181
                                    21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191 
          SP0B_BACSU     12 ISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD  192
               SCOP domains d1f51c_ C: Sporulation response regulatory protein Spo0B                                                                                                                              SCOP domains
               CATH domains -1f51C01 C:413-471  [code=1.10.287.130, no name defined]    1f51C02 C:472-590  [code=3.30.565.30, no name defined]                                                                 -- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhh.......eeeeeeee.....hhhhhhhhhhhhhhhhhhhhhhh.....eeeeeeee.......eeeeeeee....hhhhhh.............eeee...eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1f51 C  412 ISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD  592
                                   421       431       441       451       461       471       481       491       501       511       521       531       541       551       561       571       581       591

Chain D from PDB  Type:PROTEIN  Length:182
 aligned with SP0B_BACSU | P06535 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:182
                                    20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  
          SP0B_BACSU     11 NISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD  192
               SCOP domains d1f51d_ D: Sporulation response regulatory protein Spo0B                                                                                                                               SCOP domains
               CATH domains --1f51D01 D:613-671  [code=1.10.287.130, no name defined]    1f51D02 D:672-790  [code=3.30.565.30, no name defined]                                                                 -- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee....hhhhhhhhhhhhhhhhhhhhhhhh......eeeeeee.......eeeeeeee....hhhhhhhhhhhh....eeeeeee...eeeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1f51 D  611 NISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD  792
                                   620       630       640       650       660       670       680       690       700       710       720       730       740       750       760       770       780       790

Chain E from PDB  Type:PROTEIN  Length:119
 aligned with SP0F_BACSU | P06628 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:119
                                    12        22        32        42        52        62        72        82        92       102       112         
          SP0F_BACSU      3 NEKILIVDDQYGIRILLNEVFNKEGYQTFQAANGLQALDIVTKERPDLVLLDMKIPGMDGIEILKRMKVIDENIRVIIMTAYGELDMIQESKELGALTHFAKPFDIDEIRDAVKKYLPL  121
               SCOP domains d1f51e_ E: Sporulation response regulator Spo0F                                                                         SCOP domains
               CATH domains 1f51E00 E:1203-1321  [code=3.40.50.2300, no name defined]                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee..hhhhhhhhhhhhh....eee...hhhhhhhhhhhhh..eeeee......hhhhhhhhhhhhh...eeeeeee..hhhhhhhhhh......eee..hhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --RESPONSE_REGULATORY  PDB: E:1205-1319 UniProt: 5-119                                                               -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                1f51 E 1203 NEKILIVDDQSGIRILLNEVFNKEGYQTFQAANGLQALDIVTKERPDLVLLDMKIPGMDGIEILKRMKVIDENIRVIIMTAYGELDMIQESKELGALTHFAKPFDIDEIRDAVKKYLPL 1321
                                  1212      1222      1232      1242      1252      1262      1272      1282      1292      1302      1312

Chain F from PDB  Type:PROTEIN  Length:119
 aligned with SP0F_BACSU | P06628 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:119
                                    12        22        32        42        52        62        72        82        92       102       112         
          SP0F_BACSU      3 NEKILIVDDQYGIRILLNEVFNKEGYQTFQAANGLQALDIVTKERPDLVLLDMKIPGMDGIEILKRMKVIDENIRVIIMTAYGELDMIQESKELGALTHFAKPFDIDEIRDAVKKYLPL  121
               SCOP domains d1f51f_ F: Sporulation response regulator Spo0F                                                                         SCOP domains
               CATH domains 1f51F00 F:1003-1121  [code=3.40.50.2300, no name defined]                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee..hhhhhhhhhhhhh...eeeeee.hhhhhhhhhhhh...eeeee........hhhhhhhhhhh....eeeee...hhhhhhhhh...eeeeee...hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --RESPONSE_REGULATORY  PDB: F:1005-1119 UniProt: 5-119                                                               -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                1f51 F 1003 NEKILIVDDQSGIRILLNEVFNKEGYQTFQAANGLQALDIVTKERPDLVLLDMKIPGMDGIEILKRMKVIDENIRVIIMTAYGELDMIQESKELGALTHFAKPFDIDEIRDAVKKYLPL 1121
                                  1012      1022      1032      1042      1052      1062      1072      1082      1092      1102      1112

Chain G from PDB  Type:PROTEIN  Length:119
 aligned with SP0F_BACSU | P06628 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:119
                                    12        22        32        42        52        62        72        82        92       102       112         
          SP0F_BACSU      3 NEKILIVDDQYGIRILLNEVFNKEGYQTFQAANGLQALDIVTKERPDLVLLDMKIPGMDGIEILKRMKVIDENIRVIIMTAYGELDMIQESKELGALTHFAKPFDIDEIRDAVKKYLPL  121
               SCOP domains d1f51g_ G: Sporulation response regulator Spo0F                                                                         SCOP domains
               CATH domains 1f51G00 G:1603-1721  [code=3.40.50.2300, no name defined]                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee..hhhhhhhhhhhh.....eeee..hhhhhhhhhhhh....eeee........hhhhhhhhh......eeee.......hhhhhh............hhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --RESPONSE_REGULATORY  PDB: G:1605-1719 UniProt: 5-119                                                               -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                1f51 G 1603 NEKILIVDDQSGIRILLNEVFNKEGYQTFQAANGLQALDIVTKERPDLVLLDMKIPGMDGIEILKRMKVIDENIRVIIMTAYGELDMIQESKELGALTHFAKPFDIDEIRDAVKKYLPL 1721
                                  1612      1622      1632      1642      1652      1662      1672      1682      1692      1702      1712

Chain H from PDB  Type:PROTEIN  Length:119
 aligned with SP0F_BACSU | P06628 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:119
                                    12        22        32        42        52        62        72        82        92       102       112         
          SP0F_BACSU      3 NEKILIVDDQYGIRILLNEVFNKEGYQTFQAANGLQALDIVTKERPDLVLLDMKIPGMDGIEILKRMKVIDENIRVIIMTAYGELDMIQESKELGALTHFAKPFDIDEIRDAVKKYLPL  121
               SCOP domains d1f51h_ H: Sporulation response regulator Spo0F                                                                         SCOP domains
               CATH domains 1f51H00 H:1403-1521  [code=3.40.50.2300, no name defined]                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee..hhhhhhhhhhhh.....eeeee.hhhhhhhhhhh.....eeee........hhhhhhhhh......eeeee.....hhhhhhhhh....eee.................. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --RESPONSE_REGULATORY  PDB: H:1405-1519 UniProt: 5-119                                                               -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                1f51 H 1403 NEKILIVDDQSGIRILLNEVFNKEGYQTFQAANGLQALDIVTKERPDLVLLDMKIPGMDGIEILKRMKVIDENIRVIIMTAYGELDMIQESKELGALTHFAKPFDIDEIRDAVKKYLPL 1521
                                  1412      1422      1432      1442      1452      1462      1472      1482      1492      1502      1512

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 "Pfam Domain" information available for 1F51)

Asymmetric Unit(hide GO term definitions)

Chain A,B,C,D (SP0B_BACSU | P06535)

molecular function
	GO:0016301	kinase activity	Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
	GO:0000155	phosphorelay sensor kinase activity	Catalysis of the phosphorylation of a histidine residue in response to detection of an extracellular signal such as a chemical ligand or change in environment, to initiate a change in cell state or activity. The two-component sensor is a histidine kinase that autophosphorylates a histidine residue in its active site. The phosphate is then transferred to an aspartate residue in a downstream response regulator, to trigger a response.
	GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
	GO:0016772	transferase activity, transferring phosphorus-containing groups	Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to another (acceptor).
biological process
	GO:0000160	phosphorelay signal transduction system	A conserved series of molecular signals found in prokaryotes and eukaryotes; involves autophosphorylation of a histidine kinase and the transfer of the phosphate group to an aspartate that then acts as a phospho-donor to response regulator proteins.
	GO:0016310	phosphorylation	The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
	GO:0050896	response to stimulus	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus. The process begins with detection of the stimulus and ends with a change in state or activity or the cell or organism.
	GO:0007165	signal transduction	The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
	GO:0023014	signal transduction by protein phosphorylation	A process in which the transfer of one or more phosphate groups to a substrate transmits a signal to the phosphorylated substrate.
	GO:0030435	sporulation resulting in formation of a cellular spore	The process in which a relatively unspecialized cell acquires the specialized features of a cellular spore, a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Chain E,F,G,H (SP0F_BACSU | P06628)

molecular function
	GO:0016301	kinase activity	Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
	GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
	GO:0000160	phosphorelay signal transduction system	A conserved series of molecular signals found in prokaryotes and eukaryotes; involves autophosphorylation of a histidine kinase and the transfer of the phosphate group to an aspartate that then acts as a phospho-donor to response regulator proteins.
	GO:0016310	phosphorylation	The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
	GO:0030435	sporulation resulting in formation of a cellular spore	The process in which a relatively unspecialized cell acquires the specialized features of a cellular spore, a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Asymmetric Unit
	Complete Structure
		Jena3D(integrated viewing of ligand, site, SAP, PROSITE, SCOP information)
		WebMol \| AstexViewer[tm]@PDBe (Java Applets, require no local installation except for Java; loading may be slow)
		STRAP (Java WebStart application, automatic local installation, requires Java; full application with system access!)
		RasMol (require local installation)
		Molscript (VRML) (requires installation of a VRML viewer; select preferred view via VRML and generate a mono or stereo PDF format file)

	Ligands, Modified Residues, Ions
		MG	[ RasMol \| Jena3D ]	+environment [ RasMol \| Jena3D ]

	Sites
		AC1	[ RasMol ]	+environment [ RasMol ]
		AC2	[ RasMol ]	+environment [ RasMol ]
		AC3	[ RasMol ]	+environment [ RasMol ]

	Cis Peptide Bonds
		Lys E:1304 - Pro E:1305	[ RasMol ]
		Lys F:1104 - Pro F:1105	[ RasMol ]
		Lys G:1704 - Pro G:1705	[ RasMol ]
		Lys H:1504 - Pro H:1505	[ RasMol ]

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

Jmol
	protein: cartoon or spacefill or dots and stick; nucleic acid: cartoon and stick; ligands: spacefill; active site: stick [ Asym. Unit PNG format \| Asym. Unit - sites PNG format \| Biol. Unit 1 PNG format \| Biol. Unit 1 - sites PNG format \| Biol. Unit 2 PNG format ](automatic orientation, automatically generated)
Molscript
	protein, nucleic acid: cartoon; ligands: spacefill; active site: ball and stick [ mono PDF format \| stereo PDF format ](default orientation, automatically generated)

Access by PDB/NDB ID
	1f51
		Family and Domain Information	:	ProDom \| SYSTERS
		General Structural Information	:	GlycoscienceDB \| MMDB \| NDB \| OCA \| PDB \| PDBe \| PDBj \| PDBsum \| PDBWiki \| PQS \| PROTEOPEDIA
		Orientation in Membranes	:	OPM
		Protein Surface	:	SURFACE
		Secondary Structure	:	DSSP (structure derived) \| HSSP (homology derived)
		Structural Genomics	:	GeneCensus
		Structural Neighbours	:	CE \| VAST
		Structure Classification	:	CATH \| Dali \| SCOP
		Validation and Original Data	:	BMRB Data View \| BMRB Restraints Grid \| EDS \| PROCHECK \| RECOORD \| WHAT_CHECK

Access by UniProt ID/Accession number
	SP0B_BACSU \| P06535
		Comparative Protein Structure Models	:	ModBase
		Genomic Information	:	Ensembl
		Protein-protein Interaction	:	DIP
		Sequence, Family and Domain Information	:	InterPro \| Pfam \| SMART \| UniProtKB/SwissProt
	SP0F_BACSU \| P06628
		Comparative Protein Structure Models	:	ModBase
		Genomic Information	:	Ensembl
		Protein-protein Interaction	:	DIP
		Sequence, Family and Domain Information	:	InterPro \| Pfam \| SMART \| UniProtKB/SwissProt

Access by Enzyme Classificator (EC Number)
	2.7.-.-
		General Enzyme Information	:	BRENDA \| EC-PDB \| Enzyme \| IntEnz
		Pathway	:	KEGG \| MetaCyc

Access by Disease Identifier (MIM ID)
	(no 'MIM ID' available)
		Disease Information	:	OMIM

Access by GenAge ID
	(no 'GenAge ID' available)
		Age Related Information	:	GenAge

Access by PDB/NDB ID
		Domain Information	:	XDom
		Interatomic Contacts of Structural Units	:	CSU
		Ligand-protein Contacts	:	LPC
		Protein Cavities	:	castP
		Sequence and Secondary Structure	:	PDBCartoon
		Structure Alignment	:	STRAP(Java WebStart application, automatic local installation, requires Java; full application with system access!)
		Structure and Sequence Browser	:	STING

Access by UniProt ID/Accession number
	SP0B_BACSU \| P06535
		Protein Disorder Prediction	:	DisEMBL \| FoldIndex \| GLOBPLOT (for more information see DisProt)
	SP0F_BACSU \| P06628
		Protein Disorder Prediction	:	DisEMBL \| FoldIndex \| GLOBPLOT (for more information see DisProt)

UniProtKB/Swiss-Prot
	SP0B_BACSU \| P06535	:	1ixm 2ftk
	SP0F_BACSU \| P06628	:	1fsp 1nat 1pey 1pux 1srr 2fsp 2ftk 2jvi 2jvj 2jvk 3q15

(no "Related Entries Specified in the PDB File" available for 1F51)

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (1, 3)

Sites (3, 3)

SS Bonds (0, 0)

Cis Peptide Bonds (4, 4)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (1, 4)

Exons (0, 0)

Sequences/Alignments

Classification and Annotation

SCOP Domains (2, 8)

CATH Domains (3, 12)

Pfam Domains (0, 0)

Gene Ontology (13, 19)

Visualization

Interactive Views

Still Images

Databases and Analysis Tools

Databases

Analysis Tools

Related Entries

Entries Sharing at Least One Protein Chain (UniProt ID)

Related Entries Specified in the PDB File