4GSP - JenaLib

Title :   RIBONUCLEASE T1 COMPLEXED WITH 2',3'-CGPS + 3'-GMP, 7 DAYS

Authors :   I. Zegers, L. Wyns

Date :   02 Dec 97 (Deposition) - 12 Aug 98 (Release) - 15 Sep 10 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.65

Chains :   Asym./Biol. Unit : A

Keywords :   Hydrolase, Endoribonuclease (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   I. Zegers, R. Loris, G. Dehollander, A. Fattah Haikal, F. Poortmans, J. Steyaert, L. Wyns
Hydrolysis Of A Slow Cyclic Thiophosphate Substrate Of Rnas T1 Analyzed By Time-Resolved Crystallography.
Nat. Struct. Biol. V. 5 280 1998
PubMed-ID: 9546218 | Reference-DOI: 10.1038/NSB0498-280

Compounds

Molecule 1 - RIBONUCLEASE T1
	Chains	:	A
	EC Number	:	3.1.27.3
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Organism Scientific	:	ASPERGILLUS ORYZAE
	Organism Taxid	:	5062
	Other Details	:	COMPLEX WITH GUANOSINE 2',3' CYCLIC PHOSPHOROTHIOATE AND 3'GMP
	Synonym	:	RNASE T1

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 3)

Sites (6, 6)

Asymmetric Unit (6, 6)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASP A:15 , HOH A:123 , HOH A:133 , HOH A:149 , HOH A:173 , HOH A:174 , HOH A:193	BINDING SITE FOR RESIDUE CA A 107
2	AC2	SOFTWARE	ASN A:36 , TYR A:38 , HIS A:40 , LYS A:41 , TYR A:42 , ASN A:43 , ASN A:44 , TYR A:45 , GLU A:46 , GLU A:58 , HIS A:92 , ASN A:98 , PHE A:100 , SGP A:106 , HOH A:211	BINDING SITE FOR RESIDUE 3GP A 105
3	AC3	SOFTWARE	TYR A:38 , LYS A:41 , TYR A:42 , ASN A:43 , ASN A:44 , TYR A:45 , GLU A:46 , GLU A:58 , ARG A:77 , HIS A:92 , ASN A:98 , PHE A:100 , 3GP A:105 , HOH A:211	BINDING SITE FOR RESIDUE SGP A 106
4	BI1	UNKNOWN	TYR A:42 , ASN A:43 , ASN A:44 , TYR A:45 , GLU A:46	SITE.
5	CAL	UNKNOWN	ASP A:15	SITE.
6	CAT	UNKNOWN	TYR A:38 , HIS A:40 , GLU A:58 , ARG A:77 , HIS A:92	ACTIVE SITE.

SS Bonds (2, 2)

Cis Peptide Bonds (2, 2)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (0, 0)

Exons (0, 0)

Sequences/Alignments

Asymmetric/Biological 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

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Chain A from PDB  Type:PROTEIN  Length:104
                                                                                                                                        
               SCOP domains d4gspa_ A: RNase T1                                                                                      SCOP domains
               CATH domains 4gspA00 A:1-104  [code=3.10.450.30, no name defined]                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee..eeeehhhhhhhhhhhhhhhhh.........eeee............eeeeeeee.............eeeeee...eeeeeee........eeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------- Transcript
                 4gsp A   1 ACDYTCGSNCYSSSDVSTAQAAGYKLHEDGETVGSNSYPHKYNNYEGFDFSVSSPYYEWPILSSGDVYSGGSPGADRVVFNENNQLAGVITHTGASGNNFVECT 104
                                    10        20        30        40        50        60        70        80        90       100

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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 (0, 0)

Gene Ontology (13, 13)

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	Sites
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	Cis Peptide Bonds
		Ser A:54 - Pro A:55	[ RasMol ]
		Tyr A:38 - Pro A:39	[ RasMol ]

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