2XBP - JenaLib

Title :   A NOVEL SIGNAL TRANSDUCTION PROTEIN PII VARIANT FROM SYNECHOCOCCUS ELONGATUS PCC7942 INDICATES A TWO-STEP PROCESS FOR NAGK PII COMPLEX FORMATION

Authors :   O. Fokina, V. R. Chellamuthu, K. Zeth, K. Forchhammer

Date :   14 Apr 10 (Deposition) - 18 Aug 10 (Release) - 18 Aug 10 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.20

Chains :   Asym. Unit : A
Biol. Unit 1: A  (3x)

Keywords :   Nucleotide-Binding, Transcription Regulation, Transcription, Phosphoprotein, Gene Regulation (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   O. Fokina, V. R. Chellamuthu, K. Zeth, K. Forchhammer
A Novel Signal Transduction Protein P(Ii) Variant From Synechococcus Elongatus Pcc 7942 Indicates A Two-Step Process For Nagk- P(Ii) Complex Formation.
J. Mol. Biol. V. 399 410 2010
PubMed-ID: 20399792 | Reference-DOI: 10.1016/J.JMB.2010.04.018

Compounds

Molecule 1 - NITROGEN REGULATORY PROTEIN P-II
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Vector	:	PET
	Mutation	:	YES
	Organism Scientific	:	SYNECHOCOCCUS ELONGATUS
	Organism Taxid	:	1140
	Other Details	:	PII FROM FROM SYNECHOCOCCUS ELONGATUS PCC7942
	Strain	:	PCC 7942
	Synonym	:	PII SIGNAL TRANSDUCING PROTEIN

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 3)

Sites (3, 3)

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ILE A:7 , GLY A:27 , MET A:28 , THR A:29 , GLY A:35 , PHE A:36 , GLY A:37 , GLN A:39 , GLU A:62 , VAL A:64 , ASN A:86 , GLY A:87 , ASP A:88 , GLY A:89 , LYS A:90 , ARG A:101 , ARG A:103 , MG A:1115 , HOH A:2059 , HOH A:2075 , HOH A:2139 , HOH A:2171 , HOH A:2172 , HOH A:2173 , HOH A:2174	BINDING SITE FOR RESIDUE ATP A1114
2	AC2	SOFTWARE	GLY A:37 , ATP A:1114 , HOH A:2059 , HOH A:2139	BINDING SITE FOR RESIDUE MG A1115
3	AC3	SOFTWARE	ARG A:82 , GLY A:84	BINDING SITE FOR RESIDUE CL A1116

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (3, 3)

Asymmetric Unit (3, 3)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	PII_GLNB_DOM	PS51343	P-II protein family profile.	GLNB_SYNE7	1-112	1	A:1-112
2	PII_GLNB_UMP	PS00496	P-II protein uridylation site.	GLNB_SYNE7	46-51	1	A:46-51
3	PII_GLNB_CTER	PS00638	P-II protein C-terminal region signature.	GLNB_SYNE7	83-96	1	A:83-96

Biological Unit 1 (3, 9)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	PII_GLNB_DOM	PS51343	P-II protein family profile.	GLNB_SYNE7	1-112	3	A:1-112
2	PII_GLNB_UMP	PS00496	P-II protein uridylation site.	GLNB_SYNE7	46-51	3	A:46-51
3	PII_GLNB_CTER	PS00638	P-II protein C-terminal region signature.	GLNB_SYNE7	83-96	3	A:83-96

Exons (0, 0)

Sequences/Alignments

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
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Chain A from PDB  Type:PROTEIN  Length:113
 aligned with GLNB_SYNE7 | P0A3F4 from UniProtKB/Swiss-Prot  Length:112

    Alignment length:113
                                                                                                                                         112 
                                    10        20        30        40        50        60        70        80        90       100       110 | 
           GLNB_SYNE7     1 MKKIEAIIRPFKLDEVKIALVNAGIVGMTVSEVRGFGRQKGQTERYRGSEYTVEFLQKLKLEIVVEDAQVDTVIDKIVAAARTGEIGDGKIFVSPVDQTIRIRTGEKNADAI-   -
               SCOP domains d2xbpa_ A: automated matches                                                                                      SCOP domains
               CATH domains 2xbpA00 A:1-113  [code=3.30.70.120, no name defined]                                                              CATH domains
               Pfam domains ---P-II-2xbpA01 A:4-105                                                                                  -------- Pfam domains
         Sec.struct. author .eeeeeee...hhhhhhhhhhhh.....eeeeeee........eee..eee....eeeeeeeeeehhhhhhhhhhhhhhhhh......eeeeeee............hhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) PII_GLNB_DOM  PDB: A:1-112 UniProt: 1-112                                                                       - PROSITE (1)
                PROSITE (2) ---------------------------------------------PII_GL-------------------------------PII_GLNB_CTER ----------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------- Transcript
                 2xbp A   1 MKKIEAIIRPFKLDEVKIALVNAGIVGMTVSEVRGFGRQKGQTERYRGSEYTVEFLQKLKLEIVVEDAQVDTVIDKIVAAARTGENGDGKIFVSPVDQTIRIRTGEKNADAIS 113
                                    10        20        30        40        50        60        70        80        90       100       110

Legend:		→ Mismatch	(orange background)
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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 '\|'

Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (1, 1)

Pfam Domains (1, 1)

Gene Ontology (8, 8)

Asymmetric Unit(hide GO term definitions)

Chain A (GLNB_SYNE7 | P0A3F4)

molecular function
	GO:0030234	enzyme regulator activity	Binds to and modulates the activity of an enzyme.
	GO:0042802	identical protein binding	Interacting selectively and non-covalently with an identical protein or proteins.
	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.
	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).
biological process
	GO:0050790	regulation of catalytic activity	Any process that modulates the activity of an enzyme.
	GO:0006808	regulation of nitrogen utilization	Any process that modulates the frequency, rate or extent of nitrogen utilization.
	GO:0006355	regulation of transcription, DNA-templated	Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
	GO:0006351	transcription, DNA-templated	The cellular synthesis of RNA on a template of DNA.

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