Multiple Assemblies exist for SMTL entry 4q94
human RPRD1B CID in complex with a RPB1-CTD derived Ser2 phosphorylated peptide; X-RAY DIFFRACTION 1.85 Å

	SMTL ID 4q94.1 Ligands SULFATE ION; UNKNOWN ATOM OR ION Polypeptides Regulation of nuclear pre-mRNA domain-containing protein 1B; rpb1-ctd Oligo-state hetero-1-1-mer
	SMTL ID 4q94.2 Ligands SULFATE ION; UNKNOWN ATOM OR ION Polypeptides Regulation of nuclear pre-mRNA domain-containing protein 1B; rpb1-ctd Oligo-state hetero-1-1-mer
	SMTL ID 4q94.3 Ligands SULFATE ION; UNKNOWN ATOM OR ION Polypeptides Regulation of nuclear pre-mRNA domain-containing protein 1B; rpb1-ctd Oligo-state hetero-2-2-mer