4PKD

U1-70k in complex with U1 snRNA stem-loops 1 and U1-A RRM in complex with stem-loop 2

Functional Information from GO Data

Chain	GOid	namespace	contents
B	0003676	molecular_function	nucleic acid binding
B	0003723	molecular_function	RNA binding
B	0030619	molecular_function	U1 snRNA binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	7
Details	binding site for residue MG V 201

Chain	Residue
V	A91
V	U92
V	G103
V	HOH314
V	HOH318
V	HOH319
V	HOH329

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site_id	AC2
Number of Residues	3
Details	binding site for residue MG V 202

Chain	Residue
V	HOH319
V	U92
V	HOH317

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site_id	AC3
Number of Residues	3
Details	binding site for residue MG B 301

Chain	Residue
B	LEU151
B	TRP154
B	HOH420

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site_id	AC4
Number of Residues	3
Details	binding site for residue IMD B 302

Chain	Residue
B	ASP92
V	C71
V	U72

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	MOD_RES: N-acetylalanine => ECO:0000250|UniProtKB:P09012

Chain	Residue	Details
B	GLY2

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site_id	SWS_FT_FI2
Number of Residues	1
Details	MOD_RES: N6-acetyllysine => ECO:0000250|UniProtKB:P09012

Chain	Residue	Details
B	LYS60

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site_id	SWS_FT_FI3
Number of Residues	1
Details	MOD_RES: N6-acetyllysine => ECO:0007744|PubMed:19608861

Chain	Residue	Details
B	LYS183

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site_id	SWS_FT_FI4
Number of Residues	1
Details	MOD_RES: Phosphotyrosine => ECO:0007744|PubMed:23186163

Chain	Residue	Details
B	TYR191

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