Structure of PDB 8ghf Chain B

Receptor sequence

>8ghfB (length=910) Species: 9606 (Homo sapiens)

QRMWWAFLASSMVTFFGGLFIILLWRTLKYLWTVCAAEVGWMTSVKDWAG
VMISAQTLTGRVLVVLVFALSIGALVIYFIDSSNPIESCQNFYKDFTLQI
DMAFNVFFLLYFGLRFIAANDKLWFWLEVNSVVDFFTVPPVFVSVYLNRS
WLGLRFLRALRLIQFSEILQFLNILKTSNSIKLVNLLSIFISTWLTAAGF
IHLVENSGDPWENFQNNQALTYWECVYLLMVTMSTVGYGDVYAKTTLGRL
FMVFFILGGLAMFASYVPEIIELIGNRKKYGGSYSAVSGRKHIVVCGHIT
LESVSNFLKDFLHKDRDDVNVEIVFLHNISPNLELEALFKRHFTQVEFYQ
GSVLNPHDLARVKIESADACLILANKYCADPDAEDASNIMRVISIKNYHP
KIRIITQMLQYHNKAHLLNIPSWNWKEGDDAICLAELKLGFIAQSCLAQG
LSTMLANLFSMRSFIKIEEDTWQKYYLEGVSNEMYTEYLSSAFVGLSFPT
VCELCFVKLKLLMIAIEYSRILINPGNHLKIQEGTLGFFIASDAKEVKRA
FFYCKVKKYDSTGMFHWCAPKEIEKVILTRSEAAMTVLSGHVVVCIFGDV
SSALIGLRNLVMPLRASNFHYHELKHIVFVGSIEYLKREWETLHNFPKVS
ILPGTPLSRADLRAVNINLCDMCVILSANQNNIDDTSLQDKECILASLNI
KSMQFDTTGVNIPIITELVNDTNVQFLDQDDDDDPDTELYLTQPFACGTA
FAVSVLDSLMSATYFNDNILTLIRTLVTGGATPELEALIAEENALRGGYS
TPQTLANRDRCRVAQLALLDGPFADLGDGGCYGDLFCKALKTYNMLCFGI
YRLRDAHLSTPSQCTKRYVITNPPYEFELVPTDLIFCLMQFDAAAAAAAA
AAAAAAAAAA

3D structure

• PDB: 8ghf Membrane protein isolation and structure determination in cell-derived membrane vesicles.
• Chain: B
• Resolution: 2.7 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	CA	B	D367 R514 S533 E535 S600	D315 R462 S481 E483 S542
BS02	CA	B	Q889 D892 D895 D897	Q725 D728 D731 D733
BS03	CLR	B	F188 L206	F136 L154
BS04	CLR	B	W22 W23	W4 W5
BS05	CLR	B	S28 V31 Y198	S10 V13 Y146

Gene Ontology

Molecular Function

• GO:0005216 monoatomic ion channel activity

Biological Process

• GO:0006811 monoatomic ion transport
• GO:0006813 potassium ion transport
• GO:0055085 transmembrane transport

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:8ghf, PDBe:8ghf, PDBj:8ghf
• PDBsum: 8ghf
• PubMed: 37098056
• UniProt: Q12791|KCMA1_HUMAN Calcium-activated potassium channel subunit alpha-1 (Gene Name=KCNMA1)