Structure of PDB 7sqs Chain A

Receptor sequence

>7sqsA (length=508) Species: 198110 (Pseudomonas phage 201phi2-1)

GGDARASEALTVFTRLKEQAVAQQDLADDFSILRFDRDQHQVGWSSLVIA
KQISLNGQPVIAVRPLILPNNSIELPKRKTNIVNGMQTDVIESDIDVGTV
FSAQYFNRLSTYVQNTLGKPGAKVVLAGPFPIPADLVLKDSELQLRNLLI
KSVNACDDILALHSGERPFTIAGLKGQQGETLAAKVDIRTQPLHDTVGNP
IRADIVVTTQRVRRNGQQENEFYETDVKLNQVAMFTNLERTPQAQTPAPW
VASVVITDVRNADGIQANTPEMYWFALSNAFRSTHGHAWARPFLPMTGVA
KDMKDIGALGWMSALRNRIDTKAANFDDAQFGQLMLSQVQPNPVFQIDLN
RMGETAQMDSLQLDAAGGPNAQKAAATIIRQINNLGGGGFERFFDHTTQP
ILERTGQVIDLGNWFDGDEKRDRRDLDNLAALNAAEGNENEFWGFYGAQL
NPNLHPDLRNRQSRNYDRQYLGSTVTYTGKAERCTYNAKFIEALDRYLAE
AGLQITMD

3D structure

• PDB: 7sqs Architecture and self-assembly of the jumbo bacteriophage nuclear shell.
• Chain: A
• Resolution: 3.1 Å

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	peptide	A	D86 N215 D218 D219 E227 Q339 A340	D25 N154 D157 D158 E166 Q266 A267
BS02	peptide	A	Q102 I156 R169	Q41 I95 R108
BS03	peptide	A	Q430 D437	Q357 D364
BS04	peptide	A	R301 P303 V324 F354 T357 H358 N415 V417 F418 W516 Y519 G520 L523 E565 Q577 I578	R240 P242 V251 F281 T284 H285 N342 V344 F345 W443 Y446 G447 L450 E492 Q504 I505

Gene Ontology

Cellular Component

• GO:0030430 host cell cytoplasm

External links

• PDB: RCSB:7sqs, PDBe:7sqs, PDBj:7sqs
• PDBsum: 7sqs
• PubMed: 35922510
• UniProt: B3FIW8|CHMA_BP201 Chimallin (Gene Name=201phi2-1p105)