Structure of PDB 1xvd Chain A

Receptor sequence

>1xvdA (length=510) Species: 414 (Methylococcus capsulatus)

RAPTSVNAQEVHRWLQSFNWDFKNNRTKYATKYKMANETKEQFKLIAKEY
ARMEAVKDERQFGSLQDALTRLNAGVRVHPKWNETMKVVSNFLEVGEYNA
IAATGMLWDSAQAAEQKNGYLAQVLDEIRHTHQCAYVNYYFAKNGQDPAG
HNDARRTRTIGPLWKGMKRVFSDGFISGDAVECSLNLQLVGEACFTNPLI
VAVTEWAAANGDEITPTVFLSIETDELRHMANGYQTVVSIANDPASAKYL
NTDLNNAFWTQQKYFTPVLGMLFEYGSKFKVEPWVKTWDRWVYEDWGGIW
IGRLGKYGVESPRSLKDAKQDAYWAHHDLYLLAYALWPTGFFRLALPDQE
EMEWFEANYPGWYDHYGKIYEEWRARGCEDPSSGFIPLMWFIENNHPIYI
DRVSQVPFCPSLAKGASTLRVHEYNGEMHTFSDQWGERMWLAEPERYECQ
NIFEQYEGRELSEVIAELHGLRSDGKTLIAQPHVRGDKLWTLDDIKRLNC
VFKNPVKAFN

3D structure

• PDB: 1xvd Product Bound Structures of the Soluble Methane Monooxygenase Hydroxylase from Methylococcus capsulatus (Bath): Protein Motion in the Alpha-Subunit
• Chain: A
• Resolution: 2.3 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): E114 E144 H147 E209 E243 H246
• Catalytic site (residue number reindexed from 1): E97 E127 H130 E192 E226 H229
• Enzyme Commision number: 1.14.13.25: methane monooxygenase (soluble).

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	FE	A	E114 E144 H147 H246	E97 E127 H130 H229
BS02	FE	A	E144 E209 E243 H246	E127 E192 E226 H229
BS03	FPN	A	T102 L289 G293 F359 L361	T85 L272 G276 F342 L344

Gene Ontology

Molecular Function

• GO:0004497 monooxygenase activity
• GO:0005515 protein binding
• GO:0015049 methane monooxygenase [NAD(P)H] activity
• GO:0016491 oxidoreductase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0006730 one-carbon metabolic process

External links

• PDB: RCSB:1xvd, PDBe:1xvd, PDBj:1xvd
• PDBsum: 1xvd
• PubMed: 15839679
• UniProt: P22869|MEMA_METCA Methane monooxygenase component A alpha chain (Gene Name=mmoX)