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Description

Title :   CRYSTAL STRUCTURE OF STAPHYLOCOCCAL NUCLEASE VARIANT DELTA+PHS V66R AT CRYOGENIC TEMPERATURE

Authors :   J. L. Schlessman, V. Khangulov, A. Heroux, B. Garcia-Moreno E.

Date :   17 Sep 10 (Deposition) - 20 Oct 10 (Release) - 20 Oct 10 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.85

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

Keywords :   Staphylococcal Nuclease, Hyperstable Variant, Hydrolase, Pdtp, Domain Swapping (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. L. Schlessman, V. Khangulov, A. Heroux, B. Garcia-Moreno E.
Domain Swapping Promoted By A Single Mutation That Introduces An Ionizable Group Into The Hydrophobic Core Of Protein
To Be Published
PubMed: search

Compounds

Molecule 1 - THERMONUCLEASE
	Chains	:	A
	EC Number	:	3.1.31.1
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET24A+
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	NUC
	Mutation	:	YES
	Organism Scientific	:	STAPHYLOCOCCUS AUREUS
	Organism Taxid	:	1280

Structural Features

Chains, Units

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

Summary Information (see also Sequences/Alignments below)

Ligands, Modified Residues, Ions (3, 3)

Asymmetric Unit (3, 3)

No.	Name	Count	Type	Full Name
1	CA	1	Ligand/Ion	CALCIUM ION
2	PO4	1	Ligand/Ion	PHOSPHATE ION
3	THP	1	Ligand/Ion	THYMIDINE-3',5'-DIPHOSPHATE

Biological Unit 1 (2, 4)

No.	Name	Count	Type	Full Name
1	CA	-1	Ligand/Ion	CALCIUM ION
2	PO4	2	Ligand/Ion	PHOSPHATE ION
3	THP	2	Ligand/Ion	THYMIDINE-3',5'-DIPHOSPHATE

Sites (3, 3)

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ALA A:1 , THR A:4 , LYS A:5 , ARG A:35 , ASP A:40 , LYS A:78 , LYS A:84 , TYR A:85 , ARG A:87 , LEU A:89 , TYR A:113 , TYR A:115 , LYS A:116 , CA A:151 , HOH A:202 , HOH A:203 , HOH A:208 , HOH A:223 , HOH A:241 , HOH A:244	BINDING SITE FOR RESIDUE THP A 150
2	AC2	SOFTWARE	ASP A:21 , ASP A:40 , THR A:41 , THP A:150 , HOH A:203 , HOH A:205 , HOH A:211	BINDING SITE FOR RESIDUE CA A 151
3	AC3	SOFTWARE	LYS A:63 , ARG A:66 , GLU A:67	BINDING SITE FOR RESIDUE PO4 A 152

SS Bonds (0, 0)

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

Cis Peptide Bonds (0, 0)

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

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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

PROSITE Motifs (3, 3)

Asymmetric Unit (3, 3)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TNASE_3	PS50830	Thermonuclease domain profile.	NUC_STAAU	90-224	1	A:8-141
2	TNASE_1	PS01123	Thermonuclease family signature 1.	NUC_STAAU	101-125	1	A:19-43
3	TNASE_2	PS01284	Thermonuclease family signature 2.	NUC_STAAU	165-175	1	A:83-93

Biological Unit 1 (3, 6)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	TNASE_3	PS50830	Thermonuclease domain profile.	NUC_STAAU	90-224	2	A:8-141
2	TNASE_1	PS01123	Thermonuclease family signature 1.	NUC_STAAU	101-125	2	A:19-43
3	TNASE_2	PS01284	Thermonuclease family signature 2.	NUC_STAAU	165-175	2	A:83-93

Exons (0, 0)

(no "Exon" information available for 3OWF)

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
	(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:135
 aligned with NUC_STAAU | P00644 from UniProtKB/Swiss-Prot  Length:231

    Alignment length:141
                                    92       102       112       122       132       142       152       162       172       182       192       202       212       222 
            NUC_STAAU    83 ATSTKKLHKEPATLIKAIDGDTVKLMYKGQPMTFRLLLVDTPETKHPKKGVEKYGPEASAFTKKMVENAKKIEVEFDKGQRTDKYGRGLAYIYADGKMVNEALVRQGLAKVAYVYKPNNTHEQHLRKSEAQAKKEKLNIWS 223
               SCOP domains d3owfa_ A: Staphylococcal nuclease                                                                                                            SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------SNase-3owfA      01 A:33-141                                                                                  Pfam domains
         Sec.struct. author hhhhh................eeeeee..eeeeeee..ee...------....hhhhhhhhhhhhhhhh..eeee............eeeeeee..eehhhhhhhh...ee.........hhhhhhhhhhhhhhh.hhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -------TNASE_3  PDB: A:8-141 UniProt: 90-224                                                                                                  PROSITE (1)
                PROSITE (2) ------------------TNASE_1  PDB: A:19-43    ---------------------------------------TNASE_2    ------------------------------------------------ PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3owf A   1 ATSTKKLHKEPATLIKAIDGDTVKLMYKGQPMTFRLLLVDTPE------FNEKYGPEASAFTKKMRENAKKIEVEFDKGQRTDKYGRGLAYIYADGKMVNEALVRQGLAKVAYVYKGNNTHEQLLRKAEAQAKKEKLNIWS 141
                                    10        20        30        40  |     50        60        70        80        90       100       110       120       130       140 
                                                                     43     50

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 '\|'

Classification and Annotation

SCOP Domains (1, 1)

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All beta proteins (24004)

Fold: OB-fold (1179)

Superfamily: Staphylococcal nuclease (228)

Family: Staphylococcal nuclease (228)

Protein domain: Staphylococcal nuclease (189)

Staphylococcus aureus [TaxId: 1280] (189)

d3owfa_

CATH Domains (0, 0)

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

Pfam Domains (1, 1)

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: no clan defined [family: SNase] (72)

Family: SNase (72)

Staphylococcus aureus (67)

SNase-3owfA01

A:33-141

Gene Ontology (8, 8)

Asymmetric Unit(hide GO term definitions)

Chain A (NUC_STAAU | P00644)

molecular function
	GO:0004519	endonuclease activity	Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
	GO:0016787	hydrolase activity	Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0004518	nuclease activity	Catalysis of the hydrolysis of ester linkages within nucleic acids.
	GO:0003676	nucleic acid binding	Interacting selectively and non-covalently with any nucleic acid.
biological process
	GO:0090305	nucleic acid phosphodiester bond hydrolysis	The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
cellular component
	GO:0005576	extracellular region	The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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Biological Unit
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	3owf
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	3.1.31.1
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Related Entries

Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
	NUC_STAAU \| P00644	:	1a2t 1a2u 1a3t 1a3u 1a3v 1aex 1ena 1enc 1eqv 1ey0 1ey4 1ey5 1ey6 1ey7 1ey8 1ey9 1eya 1eyc 1eyd 1ez6 1ez8 1f2m 1f2y 1f2z 1ihz 1ii3 1jok 1joo 1joq 1jor 1kaa 1kab 1kda 1kdb 1kdc 1nsn 1nuc 1rkn 1snc 1snd 1snm 1sno 1snp 1snq 1sta 1stb 1stg 1sth 1stn 1sty 1syb 1syc 1syd 1sye 1syf 1syg 1tqo 1tr5 1tt2 1u9r 2enb 2exz 2ey1 2ey2 2ey5 2ey6 2eyf 2eyh 2eyj 2eyl 2eym 2eyo 2eyp 2f0d 2f0e 2f0f 2f0g 2f0h 2f0i 2f0j 2f0k 2f0l 2f0m 2f0n 2f0o 2f0p 2f0q 2f0s 2f0t 2f0u 2f0v 2f0w 2f3v 2f3w 2fxy 2fxz 2gsi 2khs 2nuc 2oeo 2of1 2pqe 2qdb 2rbm 2rdf 2rks 2snm 2sns 2sob 3bdc 3c1e 3c1f 3d4d 3d6c 3dhq 3dmu 3e5s 3eji 3ero 3erq 3evq 3h6m 3hej 3hzx 3itp 3lx0 3meh 3mhb 3mvv 3mxp 3mz5 3nhh 3nk9 3np8 3nqt 3nuc 3nxw 3oso 3p1h 3p75 3pmf 3qb3 3qoj 3qol 3qon 3r3o 3ruz 3s9w 3shl 3sk4 3sk5 3sk6 3sk8 3sr1 3sxh 3t13 3t16 3tme 3tp5 3tp6 3tp7 3tp8 3u9o 3v2t 3va5 4df7 4dfa 4dgz 4du9 4e6i 4eqn 4eqo 4eqp 4evo 4f7x 4f8m 4g57 4h7b 4hmi 4hmj 4hth 4i65 4ial 4id6 4iun 4iz8 4j1m 4j6h 4k14 4k2k 4k2l 4k5v 4k5w 4k5x 4k6d 4k8i 4k8j 4kd3 4kd4 4khv 4kjn 4kjo 4kta 4kv6 4ky5 4ky6 4ky7 4laa 4me5 4miu 4n9p 4n9t 4ndx 4nkl 4nmz 4np5 4odg 4ol7 4pmb 4pmc 4pny 4qb4 4qf4 4r8n 4rkb 4rkl 4s3s 4trd 4wor 4yij 4zq3 4zui 4zuj 5c3w 5c3x 5c4h 5c4z 5c5l 5c5m 5c6a 5cc4 5cgk 5cr3 5cv4 5cv5 5cv6 5cv7 5cv8 5cv9 5dau 5deh 5e1f 5e3f 5egt 5ekk 5ekl 5f2d 5hgt 5hur 5i6w 5i6y 5i9o 5i9p 5igb 5igc 5igd 5ige 5igf 5igg 5iif 5ioc 5iod 5isr 5j1z 5j22 5jav 5job 5k5p 5kee 5kgu 5kix 5kru 5kyi 5kyl 5nuc

Related Entries Specified in the PDB File

3bdc	STAPHYLOCOCCAL NUCLEASE VARIANT D+PHS
3hej	STAPHYLOCOCCAL NUCLEASE VARIANT D+PHS T62R