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Title :   CRYSTAL STRUCTURE OF SINGLE-STRANDED DNA-BINDING PROTEIN FROM STREPTOMYCES COELICOLOR

Authors :   M. Luic, Z. Stefanic, D. Vujaklija

Date :   17 Sep 08 (Deposition) - 08 Sep 09 (Release) - 08 Sep 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.14

Chains :   Asym. Unit : A,B,C,D
Biol. Unit 1: A,B,C,D  (1x)
Biol. Unit 2: A,B  (1x)
Biol. Unit 3: C,D  (1x)

Keywords :   Single-Stranded Dna-Binding Protein, Streptomyces Coelicolor, Dna Damage, Dna Repair, Dna Replication, Dna- Binding, Phosphoprotein, Dna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   Z. Stefanic, D. Vujaklija, M. Luic
Structure Of The Single-Stranded Dna-Binding Protein From Streptomyces Coelicolor.
Acta Crystallogr. , Sect. D V. 65 974 2009
PubMed-ID: 19690375 | Reference-DOI: 10.1107/S0907444909023634
(for further references see the PDB file header)

Molecule 1 - SINGLE-STRANDED DNA-BINDING PROTEIN 2
	Chains	:	A, B, C, D
	Organism Scientific	:	STREPTOMYCES COELICOLOR
	Organism Taxid	:	1902
	Synonym	:	SSB 2, HELIX-DESTABILIZING PROTEIN 2

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

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 3EIV)

(no "Site" information available for 3EIV)

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

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

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

Asymmetric Unit (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SSB	PS50935	Single-strand binding (SSB) domain profile.	SSB2_STRCO	1-110	1	B:1-110

Biological Unit 1 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SSB	PS50935	Single-strand binding (SSB) domain profile.	SSB2_STRCO	1-110	1	B:1-110

Biological Unit 2 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SSB	PS50935	Single-strand binding (SSB) domain profile.	SSB2_STRCO	1-110	1	B:1-110

Biological Unit 3 (, 0)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SSB	PS50935	Single-strand binding (SSB) domain profile.	SSB2_STRCO	1-110	0	-

(no "Exon" information available for 3EIV)

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:98
 aligned with SSB2_STRCO | Q9X8U3 from UniProtKB/Swiss-Prot  Length:199

    Alignment length:117
                                    13        23        33        43        53        63        73        83        93       103       113       
           SSB2_STRCO     4 ETVITVVGNLVDDPELRFTPSGAAVAKFRVASTPRTFDRQTNEWKDGESLFLTCSVWRQAAENVAESLQRGMRVIVQGRLKQRSYEDREGVKRTVYELDVDEVGASLRSATAKVTKT 120
               SCOP domains d3eiva_ A: automated matches                                                                                          SCOP domains
               CATH domains 3eivA00 A:4-120 Nucleic acid-bindi           ng proteins                                                              CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..................................-----------............hhhhhhhhhhh................--------......................... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE SSB  PDB: - UniProt: 1-110                                                                                 ---------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------- Transcript
                 3eiv A   4 ETVITVVGNLVDDPELRFTPSGAAVAKFRVASTP-----------DGESLFLTCSVWRQAAENVAESLQRGMRVIVQGRLKQRS--------RTVYELDVDEVGASLRSATAKVTKT 120
                                    13        23        33   |     -     |  53        63        73        83   |     -  |    103       113       
                                                            37          49                                    87       96

Chain B from PDB  Type:PROTEIN  Length:111
 aligned with SSB2_STRCO | Q9X8U3 from UniProtKB/Swiss-Prot  Length:199

    Alignment length:120
                                    10        20        30        40        50        60        70        80        90       100       110       120
           SSB2_STRCO     1 MAGETVITVVGNLVDDPELRFTPSGAAVAKFRVASTPRTFDRQTNEWKDGESLFLTCSVWRQAAENVAESLQRGMRVIVQGRLKQRSYEDREGVKRTVYELDVDEVGASLRSATAKVTKT 120
               SCOP domains d3eivb_ B: automated matches                                                                                             SCOP domains
               CATH domains 3eivB00 B:1-120 Nucleic acid-binding pr         oteins                                                                   CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......................................---------............hhhhhhhhhhh................................................. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE SSB  PDB: B:1-110 UniProt: 1-110                                                                              ---------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------ Transcript
                 3eiv B   1 MAGETVITVVGNLVDDPELRFTPSGAAVAKFRVASTPRT---------DGESLFLTCSVWRQAAENVAESLQRGMRVIVQGRLKQRSYEDREGVKRTVYELDVDEVGASLRSATAKVTKT 120
                                    10        20        30        |-        50        60        70        80        90       100       110       120
                                                                 39        49

Chain C from PDB  Type:PROTEIN  Length:111
 aligned with SSB2_STRCO | Q9X8U3 from UniProtKB/Swiss-Prot  Length:199

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           SSB2_STRCO     2 AGETVITVVGNLVDDPELRFTPSGAAVAKFRVASTPRTFDRQTNEWKDGESLFLTCSVWRQAAENVAESLQRGMRVIVQGRLKQRSYEDREGVKRTVYELDVDEVGASLRSATAKVTKT 120
               SCOP domains d3eivc_ C: automated matches                                                                                            SCOP domains
               CATH domains 3eivC00 C:2-120 Nucleic acid-binding proteins                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........................................................hhhhhhhhhhh................--------......................... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE SSB  PDB: - UniProt: 1-110                                                                                   ---------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 3eiv C   2 AGETVITVVGNLVDDPELRFTPSGAAVAKFRVASTPRTFDRQTNEWKDGESLFLTCSVWRQAAENVAESLQRGMRVIVQGRLKQRS--------RTVYELDVDEVGASLRSATAKVTKT 120
                                    11        21        31        41        51        61        71        81     |   -    |  101       111         
                                                                                                                87       96

Chain D from PDB  Type:PROTEIN  Length:100
 aligned with SSB2_STRCO | Q9X8U3 from UniProtKB/Swiss-Prot  Length:199

    Alignment length:119
                                    11        21        31        41        51        61        71        81        91       101       111         
           SSB2_STRCO     2 AGETVITVVGNLVDDPELRFTPSGAAVAKFRVASTPRTFDRQTNEWKDGESLFLTCSVWRQAAENVAESLQRGMRVIVQGRLKQRSYEDREGVKRTVYELDVDEVGASLRSATAKVTKT 120
               SCOP domains d3eivd_ D: automated matches                                                                                            SCOP domains
               CATH domains 3eivD00 D:2-120 Nucleic acid-binding           proteins                                                                 CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....................................----------............hhhhhhhhhhh................---------........................ Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE SSB  PDB: - UniProt: 1-110                                                                                   ---------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 3eiv D   2 AGETVITVVGNLVDDPELRFTPSGAAVAKFRVASTPR----------DGESLFLTCSVWRQAAENVAESLQRGMRVIVQGRLKQRS---------TVYELDVDEVGASLRSATAKVTKT 120
                                    11        21        31      |  -       |51        61        71        81     |   -     | 101       111         
                                                               38         49                                    87        97

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	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Asymmetric Unit

Classes(

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Folds(

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Superfamilies( (-)

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Families(

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)

Organisms( (-)

)

Class: All beta proteins (24004)

Fold: OB-fold (1179)

Superfamily: Nucleic acid-binding proteins (590)

Family: Single strand DNA-binding domain, SSB (96)

Protein domain: automated matches (30)

Streptomyces coelicolor [TaxId: 1902] (1)

1a	d3eiva_	A:
1b	d3eivb_	B:
1c	d3eivc_	C:
1d	d3eivd_	D:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Beta (13760)

Architecture: Beta Barrel (4804)

Topology: OB fold (Dihydrolipoamide Acetyltransferase, E2P) (1040)

Homologous Superfamily: Nucleic acid-binding proteins (483)

Streptomyces coelicolor. Organism_taxid: 1902 (1)

1a	3eivD00	D:2-120
1b	3eivB00	B:1-120
1c	3eivC00	C:2-120
1d	3eivA00	A:4-120

(no "Pfam Domain" information available for 3EIV)

Asymmetric Unit(hide GO term definitions)

Chain A,B,C,D (SSB2_STRCO | Q9X8U3)

molecular function
	GO:0003677	DNA binding	Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
	GO:0003697	single-stranded DNA binding	Interacting selectively and non-covalently with single-stranded DNA.
biological process
	GO:0006260	DNA replication	The cellular metabolic process in which a cell duplicates one or more molecules of DNA. DNA replication begins when specific sequences, known as origins of replication, are recognized and bound by initiation proteins, and ends when the original DNA molecule has been completely duplicated and the copies topologically separated. The unit of replication usually corresponds to the genome of the cell, an organelle, or a virus. The template for replication can either be an existing DNA molecule or RNA.

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