1RN4

HIS92ALA MUTATION IN RIBONUCLEASE T1 INDUCES SEGMENTAL FLEXIBILITY. AN X-RAY STUDY

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0001411	cellular_component	hyphal tip
A	0003723	molecular_function	RNA binding
A	0004518	molecular_function	nuclease activity
A	0004519	molecular_function	endonuclease activity
A	0004521	molecular_function	RNA endonuclease activity
A	0004540	molecular_function	RNA nuclease activity
A	0016787	molecular_function	hydrolase activity
A	0016829	molecular_function	lyase activity
A	0030428	cellular_component	cell septum
A	0046589	molecular_function	ribonuclease T1 activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	7
Details	BINDING SITE FOR RESIDUE PO4 A 105

Chain	Residue
A	TYR38
A	HIS40
A	GLU58
A	ARG77
A	ASN98
A	PHE100
A	HOH187

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	Active site: {"evidences":[{"source":"PubMed","id":"2844811","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

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site_id	SWS_FT_FI2
Number of Residues	1
Details	Active site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"2844811","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

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site_id	SWS_FT_FI3
Number of Residues	1
Details	Active site: {"description":"Proton donor"}

Chain

Residue

Details

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Catalytic Information from CSA

site_id	CSA1
Number of Residues	3
Details	Annotated By Reference To The Literature 1b2m

Chain	Residue	Details
A	GLU58
A	HIS40
A	ALA92

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site_id	MCSA1
Number of Residues	6
Details	M-CSA 414

Chain	Residue	Details
A	TYR38	electrostatic stabiliser
A	HIS40	proton shuttle (general acid/base)
A	GLU58	proton shuttle (general acid/base)
A	ARG77	electrostatic stabiliser
A	ALA92	proton shuttle (general acid/base)
A	PHE100	electrostatic stabiliser

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