Structure of PDB 3nk3 Chain B

Receptor sequence

>3nk3B (length=270) Species: 9031 (Gallus gallus) [Search protein sequence]

TPVAVQCQEAQLVVTVHRDLFGTGRLINAADLTLGPAACKHSSLNAAHNT
VTFAAGLHECGSVVQVTPDTLIYRTLINYDPSPASNPVIIRTNPAVIPIE
CHYPRRERLVFSLRLMSDDWSTERPFTGFQLGDILNIQAEVSTENHVPLR
LFVDSCVAALSPDGDSSPHYAIIDFNGCLVDGRVDDTSSAFITPRPREDV
LRFRIDVFRFAGDNRNLIYITCHLKVTPADQGPDPQNKACSFNKARNTWV
PVEGSRDVCNCCETGNCEPP

3D structure

PDB

3nk3 Insights into Egg Coat Assembly and Egg-Sperm Interaction from the X-Ray Structure of Full-Length ZP3.

Chain

Resolution

2.6 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

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	B	F72 T74 N144 P145 N287 R288	F21 T23 N93 P94 N214 R215
BS02	peptide	B	V114 F184 L186 F199 F202 Q203 L290 I291 Y292 I293 T294 C295 H296 L297 V299	V63 F111 L113 F126 F129 Q130 L217 I218 Y219 I220 T221 C222 H223 L224 V226

External links

PDB	RCSB:3nk3, PDBe:3nk3, PDBj:3nk3
PDBsum	3nk3
PubMed	20970175
UniProt	P79762\|ZP3_CHICK Zona pellucida sperm-binding protein 3 (Gene Name=ZP3)

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