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Title :   CRYSTAL STRUCTURE AND LIGAND BINDING STUDIES OF A SCREENED PEPTIDE COMPLEXED WITH STREPTAVIDIN

Authors :   Dupont Protein Crystallography Group

Date :   23 Jul 92 (Deposition) - 31 Jan 94 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

Chains :   Asym. Unit : A,B,P
Biol. Unit 1: A,B,P  (2x)
Biol. Unit 2: A,B,P  (4x)

Keywords :   Glycoprotein, Biotin-Binding Protein-Peptide Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   P. C. Weber, M. W. Pantoliano, L. D. Thompson
Crystal Structure And Ligand-Binding Studies Of A Screened Peptide Complexed With Streptavidin.
Biochemistry V. 31 9350 1992
PubMed-ID: 1390720 | Reference-DOI: 10.1021/BI00154A004
(for further references see the PDB file header)

Molecule 1 - STREPTAVIDIN
	Chains	:	A, B
	Engineered	:	YES
	Organism Scientific	:	STREPTOMYCES AVIDINII
	Organism Taxid	:	1895

Molecule 2 - PEPTIDE (FSHPQNT)
	Chains	:	P
	Engineered	:	YES
	Synthetic	:	YES

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

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 1PTS)

Asymmetric Unit (1, 1)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	TYR B:43 , SER B:45	BINDING SITE FOR CHAIN P OF PEPTIDE (FSHPQNT)

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

(no "Cis Peptide Bond" information available for 1PTS)

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

Asymmetric Unit (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	AVIDIN_2	PS51326	Avidin-like domain profile.	SAV_STRAV	37-159	2	A:13-133 B:13-133
2	AVIDIN_1	PS00577	Avidin-like domain signature.	SAV_STRAV	142-156	2	A:118-132 B:118-132

Biological Unit 1 (2, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	AVIDIN_2	PS51326	Avidin-like domain profile.	SAV_STRAV	37-159	4	A:13-133 B:13-133
2	AVIDIN_1	PS00577	Avidin-like domain signature.	SAV_STRAV	142-156	4	A:118-132 B:118-132

Biological Unit 2 (2, 16)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	AVIDIN_2	PS51326	Avidin-like domain profile.	SAV_STRAV	37-159	8	A:13-133 B:13-133
2	AVIDIN_1	PS00577	Avidin-like domain signature.	SAV_STRAV	142-156	8	A:118-132 B:118-132

(no "Exon" information available for 1PTS)

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:119
 aligned with SAV_STRAV | P22629 from UniProtKB/Swiss-Prot  Length:183

    Alignment length:121
                                    46        56        66        76        86        96       106       116       126       136       146       156 
            SAV_STRAV    37 AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKV 157
               SCOP domains d1ptsa_ A: Streptavidin                                                                                                   SCOP domains
               CATH domains 1ptsA00 A:13-133  [code=2.40.128.30, no name defined]                                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhheeeee....eeeeee....eeeeeee........eeeeeeee.....--...eeeeeeeeee....eeeeeeeeeeeee.....eeeeeeeeee..hhhhhhh.eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) AVIDIN_2  PDB: A:13-133 UniProt: 37-159                                                                                   PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------AVIDIN_1       - PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 1pts A  13 AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPA--GSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKV 133
                                    22        32        42        52        62  |  |  72        82        92       102       112       122       132 
                                                                               65 68

Chain B from PDB  Type:PROTEIN  Length:112
 aligned with SAV_STRAV | P22629 from UniProtKB/Swiss-Prot  Length:183

    Alignment length:121
                                    46        56        66        76        86        96       106       116       126       136       146       156 
            SAV_STRAV    37 AEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKV 157
               SCOP domains d1ptsb_ B: Streptavidin                                                                                                   SCOP domains
               CATH domains 1ptsB00 B:13-133  [code=2.40.128.      30, no name de   fined]                                                            CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhheeeee....eeeeee....eeeeeee.------.eeeeeeee.....---..eeeeeeeeee....eeeeeeeeeeeee.....eeeeeeeeee..hhhhhhh.eeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) AVIDIN_2  PDB: B:13-133 UniProt: 37-159                                                                                   PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------AVIDIN_1       - PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 1pts B  13 AEAGITGTWYNQLGSTFIVTAGADGALTGTYES------SRYVLTGRYDSAPA---SGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKV 133
                                    22        32        42  |     52        62  |   | 72        82        92       102       112       122       132 
                                                           45     52           65  69

Chain P from PDB  Type:PROTEIN  Length:3
                                   
               SCOP domains --- SCOP domains
               CATH domains --- CATH domains
               Pfam domains --- Pfam domains
         Sec.struct. author ... Sec.struct. author
                 SAPs(SNPs) --- SAPs(SNPs)
                    PROSITE --- PROSITE
                 Transcript --- Transcript
                 1pts P   1 HPQ   3

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 '\|'

Asymmetric Unit

Classes(

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Folds(

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Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All beta proteins (24004)

Fold: Streptavidin-like (225)

Superfamily: Avidin/streptavidin (197)

Family: Avidin/streptavidin (181)

Protein domain: Streptavidin (121)

Streptomyces avidinii [TaxId: 1895] (121)

1a	d1ptsa_	A:
1b	d1ptsb_	B:

Asymmetric Unit

Classes(

)

Architectures( (-)

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)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Beta (13760)

Architecture: Beta Barrel (4804)

Topology: Lipocalin (526)

Homologous Superfamily: [code=2.40.128.30, no name defined] (148)

Streptomyces avidinii. Organism_taxid: 1895. (29)

1a	1ptsA00	A:13-133
1b	1ptsB00	B:13-133

(no "Pfam Domain" information available for 1PTS)

Asymmetric Unit(hide GO term definitions)

Chain A,B (SAV_STRAV | P22629)

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.

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