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FASTA Sequence PDB Format mmCIF Format
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9YXV

Cryo-em structure of the core region of cil-u1a-fab1r-pga1-sffab quaternary complex at 2.9 a resolution

PDB DOI: 10.2210/pdb9yxv/pdb

Classification: IMMUNE SYSTEM
Organism(s): Homo Sapiens , Streptococcus Sp. 'Group G' , Synthetic Construct

Deposited: 2025-10-27
Deposition Author(s): Filippova, E.V. , Kossiakoff, A.A.

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.9 Å

Literature

Cryo-em structure of the core region of cil-u1a-fab1r-pga1-sffab quaternary complex at 2.9 a resolution

Filippova, E.V. , Kossiakoff, A.A.

Primary Citation of Related Structures: 9YXV


Proteins
Molecule Chains Sequence Length Organism Sequence
U1 small nuclear ribonucleoprotein A A 97 Homo Sapiens , Streptococcus Sp. 'Group G' , Synthetic Construct AVPETRPNHTIYINNLNEKIKKDELKKSLHAIFSRFGQILDILVSRSLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQYAKTDSDIIAKMK
Protein G C 67 Homo Sapiens , Streptococcus Sp. 'Group G' , Synthetic Construct TPAVTTYKLVINGRTLSGYTTTTAVDAATAEKVFKQYAYVHEVDGEWTYDDATKTFTVTEKPEKLGG
sfFab18 light chain D 239 Homo Sapiens , Streptococcus Sp. 'Group G' , Synthetic Construct IMKKNIAFLLASMFVFSIATNAYASDIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQTMTYPITFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
sfFab18 heavy chain E 258 Homo Sapiens , Streptococcus Sp. 'Group G' , Synthetic Construct MKKNIAFLLASMFVFSIATNAYAEISEVQLVESGGGLVQPGGSLRLSCAASGFNFASASIHWVRQAPGKGLEWVASIYSYSGYTYYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARNYDYPYWYSEEAFDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHT
Fab1R heavy chain H 264 Homo Sapiens , Streptococcus Sp. 'Group G' , Synthetic Construct GDFMKKNIAFLLASMFVFSIATNAYAEISEVQLVESGGGLVQPGGSLRLSCAASGFNIYSSSIHWVRQAPGKGLEWVASIYPYSGYTSYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARSPWGWFWQYGQYSVALDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHT
Fab1R light chain L 219 Homo Sapiens , Streptococcus Sp. 'Group G' , Synthetic Construct AQPAMASDIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQSSFYPITFGQGTKVEIKRTVAAPSVFIFPPSDLRTGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Nucleic Acids / Hybrid
Molecule Chains Sequence Length Organism Sequence
Hairpin II of the U1 snRNA (U1hpII) b 18 NA ACCCAUUGCACUCCGGGU
Experimental Data

Method: ELECTRON MICROSCOPY

Deposited Date: 2025-10-27
Deposition Author(s): Filippova, E.V. , Kossiakoff, A.A.